Mercurial > public > hwos_code
annotate src/tft.asm @ 655:c7b7b8a358cd default tip
hwOS tech 3.22 release
| author | heinrichsweikamp |
|---|---|
| date | Mon, 29 Apr 2024 13:05:18 +0200 |
| parents | 75e90cd0c2c3 |
| children |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 634 | 3 ; File tft.asm combined next generation V3.09.4n |
| 0 | 4 ; |
| 623 | 5 ; low-level Display Outputs |
| 0 | 6 ; |
| 654 | 7 ; Copyright (c) 2011, JD Gascuel, heinrichs weikamp gmbh, all right reserved. |
| 0 | 8 ;============================================================================= |
| 9 ; HISTORY | |
| 10 ; 2011-05-24 : [jDG] Cleanups from initial Matthias code. | |
| 11 | |
| 275 | 12 #include "hwos.inc" |
| 0 | 13 #include "wait.inc" |
| 14 #include "varargs.inc" | |
| 15 #include "tft_outputs.inc" | |
| 16 #include "eeprom_rs232.inc" | |
| 17 | |
| 634 | 18 ;----------------------------------------------------------------------------- |
| 0 | 19 ; Basic bit-level macros |
| 20 | |
| 582 | 21 RD_H macro |
| 22 bsf tft_rd,0 | |
| 23 endm | |
| 0 | 24 |
| 582 | 25 RD_L macro |
| 26 bcf tft_rd,0 | |
| 27 endm | |
| 0 | 28 |
| 582 | 29 RS_H macro |
| 30 bsf tft_rs,0 | |
| 31 endm | |
| 0 | 32 |
| 582 | 33 RS_L macro |
| 34 bcf tft_rs,0 | |
| 35 endm | |
| 0 | 36 |
| 582 | 37 NCS_H macro |
| 38 bsf tft_cs,0 | |
| 39 endm | |
| 0 | 40 |
| 582 | 41 NCS_L macro |
| 42 bcf tft_cs,0 | |
| 43 endm | |
| 0 | 44 |
| 582 | 45 WR_H macro |
| 46 bsf tft_nwr,0 | |
| 47 endm | |
| 0 | 48 |
| 582 | 49 WR_L macro |
| 50 bcf tft_nwr,0 | |
| 51 endm | |
| 0 | 52 |
| 634 | 53 ;----------------------------------------------------------------------------- |
| 582 | 54 ; Byte-level macros |
| 55 | |
| 0 | 56 Index_out macro low_b |
| 57 movlw low_b | |
| 58 rcall TFT_CmdWrite | |
| 59 endm | |
| 60 | |
| 61 Parameter_out macro high_b, low_b | |
| 62 movlw high_b | |
| 604 | 63 movwf PORTA ; upper |
| 0 | 64 movlw low_b |
| 65 rcall TFT_DataWrite | |
| 66 endm | |
| 67 | |
| 634 | 68 ;============================================================================= |
| 604 | 69 tft CODE |
| 634 | 70 ;============================================================================= |
| 582 | 71 |
| 72 global TFT_ClearScreen | |
| 0 | 73 TFT_ClearScreen: |
| 654 | 74 btfsc screen_type4 ; screen type 4? |
| 75 bra TFT_ClearScreen_display4; YES | |
| 76 btfsc screen_type3 ; screen type 3? | |
| 77 bra TFT_ClearScreen_display3; YES | |
| 628 | 78 btfsc screen_type2 ; screen type 2? |
| 623 | 79 bra TFT_ClearScreen_display2; YES |
| 80 | |
| 604 | 81 Index_out 0x50 ; window horizontal start address |
| 654 | 82 Parameter_out 0x00, 0x00 ; 0 |
| 604 | 83 Index_out 0x51 ; window horizontal end address |
| 654 | 84 Parameter_out 0x00, 0xEF ; 239 |
| 604 | 85 Index_out 0x52 ; window vertical start address |
| 654 | 86 Parameter_out 0x00, 0x00 ; 0 |
| 604 | 87 Index_out 0x53 ; window vertical end address |
| 654 | 88 Parameter_out 0x01, 0x3F ; 319 |
| 604 | 89 Index_out 0x20 ; frame memory horizontal address |
| 654 | 90 Parameter_out 0x00, 0x00 ; 0 |
| 604 | 91 Index_out 0x21 ; frame memory vertical address |
| 654 | 92 Parameter_out 0x01, 0x3F ; 319 |
| 0 | 93 |
| 604 | 94 Index_out 0x22 ; frame memory data write start |
| 0 | 95 |
| 604 | 96 RD_H ; not read |
| 97 RS_H ; data | |
| 98 NCS_L ; not CS | |
| 648 | 99 |
| 100 btfsc less_io_cpu ; less I/O CPU? | |
| 101 clrf PORTA ; YES, data lower | |
| 102 btfss less_io_cpu ; less I/O CPU? | |
| 103 clrf PORTH ; NO, data lower | |
| 0 | 104 |
| 105 movlw d'10' | |
| 106 movwf tft_temp3 | |
| 107 TFT_ClearScreen2: | |
| 108 movlw d'30' | |
| 109 movwf tft_temp2 | |
| 110 TFT_ClearScreen3: | |
| 604 | 111 clrf tft_temp1 ; 30*10*256=76800 pixels -> clear complete 240*320 |
| 582 | 112 bcf INTCON,GIE |
| 0 | 113 TFT_ClearScreen4: |
| 114 WR_L | |
| 604 | 115 WR_H ; tick |
| 648 | 116 btfss less_io_cpu ; less I/O CPU? |
| 117 bra TFT_ClearScreen5 ; NO | |
| 118 WR_L | |
| 119 WR_H ; tick | |
| 120 WR_L | |
| 121 WR_H ; tick | |
| 122 WR_L | |
| 123 WR_H ; tick | |
| 124 TFT_ClearScreen5: | |
| 0 | 125 decfsz tft_temp1,F |
| 126 bra TFT_ClearScreen4 | |
| 582 | 127 bsf INTCON,GIE |
| 0 | 128 decfsz tft_temp2,F |
| 129 bra TFT_ClearScreen3 | |
| 130 decfsz tft_temp3,F | |
| 131 bra TFT_ClearScreen2 | |
| 582 | 132 |
| 133 movlw 0x00 ; NOP, to stop window mode | |
| 604 | 134 bra TFT_CmdWrite ; and return |
| 582 | 135 |
| 623 | 136 TFT_ClearScreen_display2: |
| 137 movlw 0x02 ; column address start | |
| 608 | 138 rcall TFT_CmdWrite |
| 139 movlw 0x00 | |
| 140 rcall TFT_DataWrite | |
| 141 movlw 0x03 | |
| 142 rcall TFT_CmdWrite | |
| 143 movlw 0x00 | |
| 144 rcall TFT_DataWrite | |
| 145 | |
| 623 | 146 movlw 0x04 ; column address end |
| 608 | 147 rcall TFT_CmdWrite |
| 148 movlw 0x00 | |
| 149 rcall TFT_DataWrite | |
| 150 movlw 0x05 | |
| 151 rcall TFT_CmdWrite | |
| 152 movlw 0xEF | |
| 153 rcall TFT_DataWrite | |
| 154 | |
| 623 | 155 movlw 0x06 ; row address start |
| 608 | 156 rcall TFT_CmdWrite |
| 157 movlw 0x00 | |
| 158 rcall TFT_DataWrite | |
| 159 movlw 0x07 | |
| 160 rcall TFT_CmdWrite | |
| 161 movlw 0x00 | |
| 162 rcall TFT_DataWrite | |
| 163 | |
| 623 | 164 movlw 0x08 ; row address end |
| 608 | 165 rcall TFT_CmdWrite |
| 166 movlw 0x01 | |
| 167 rcall TFT_DataWrite | |
| 168 movlw 0x09 | |
| 169 rcall TFT_CmdWrite | |
| 170 movlw 0x3F | |
| 171 rcall TFT_DataWrite | |
| 172 | |
| 623 | 173 movlw 0x22 ; start writing data to GRAM |
| 608 | 174 rcall TFT_CmdWrite |
| 175 | |
| 628 | 176 movlw .160 ; 160 x 240 x 6 = 230400 ticks |
| 177 TFT_ClearScreen_display2_loop0: | |
| 623 | 178 bsf tft_rs ; data! |
| 608 | 179 movwf PRODH |
| 180 clrf PORTH | |
| 623 | 181 TFT_ClearScreen_display2_loop1: |
| 608 | 182 movlw .240 |
| 183 movwf PRODL | |
| 623 | 184 TFT_ClearScreen_display2_loop2: |
| 608 | 185 bcf tft_nwr |
| 623 | 186 bsf tft_nwr ; upper |
| 608 | 187 bcf tft_nwr |
| 623 | 188 bsf tft_nwr ; high |
| 608 | 189 bcf tft_nwr |
| 623 | 190 bsf tft_nwr ; lower |
| 608 | 191 bcf tft_nwr |
| 623 | 192 bsf tft_nwr ; upper |
| 608 | 193 bcf tft_nwr |
| 623 | 194 bsf tft_nwr ; high |
| 608 | 195 bcf tft_nwr |
| 623 | 196 bsf tft_nwr ; lower |
| 608 | 197 decfsz PRODL,F |
| 623 | 198 bra TFT_ClearScreen_display2_loop2 |
| 608 | 199 decfsz PRODH,F |
| 623 | 200 bra TFT_ClearScreen_display2_loop1 |
| 201 return | |
| 0 | 202 |
| 628 | 203 TFT_ClearScreen_display3: |
| 204 movlw 0x35 ; vertical start address HIGH:LOW | |
| 205 rcall TFT_CmdWrite | |
| 631 | 206 mullw 0 |
| 628 | 207 rcall TFT_DataWrite_PROD |
| 208 | |
| 209 movlw 0x36 ; vertical end address HIGH:LOW | |
| 210 rcall TFT_CmdWrite | |
| 211 movlw 0x01 | |
| 212 rcall TFT_DataWrite | |
| 213 movlw 0x3F | |
| 214 rcall TFT_DataWrite | |
| 215 | |
| 216 movlw 0x37 ; horizontal address START:END | |
| 217 rcall TFT_CmdWrite | |
| 218 movlw 0x00 | |
| 219 rcall TFT_DataWrite | |
| 220 movlw 0xEF | |
| 221 rcall TFT_DataWrite | |
| 222 | |
| 223 movlw 0x20 ; start address horizontal (.0 - .239) | |
| 224 rcall TFT_CmdWrite | |
| 225 rcall TFT_DataWrite_PROD | |
| 226 | |
| 227 movlw 0x21 ; start address vertical (.0 - .319) | |
| 228 rcall TFT_CmdWrite | |
| 229 rcall TFT_DataWrite_PROD | |
| 230 | |
| 231 movlw 0x22 ; start writing data to GRAM | |
| 232 rcall TFT_CmdWrite | |
| 233 | |
| 234 movlw .107 ; 107 x 240 x 6 = 154080 ticks (153600 would be enough) | |
| 235 bra TFT_ClearScreen_display2_loop0 | |
| 236 | |
| 654 | 237 TFT_ClearScreen_display4: |
| 238 ; Column Address start | |
| 239 movlw 0x2A | |
| 240 rcall TFT_CmdWrite | |
| 241 movlw 0x00 | |
| 242 rcall TFT_DataWrite | |
| 243 movlw 0x00 | |
| 244 rcall TFT_DataWrite | |
| 245 ; Column Address end (d'239') | |
| 246 movlw 0x00 | |
| 247 rcall TFT_DataWrite | |
| 248 movlw 0xEF | |
| 249 rcall TFT_DataWrite | |
| 250 | |
| 251 ; Row address start | |
| 252 movlw 0x2B | |
| 253 rcall TFT_CmdWrite | |
| 254 movlw 0x00 | |
| 255 rcall TFT_DataWrite | |
| 256 movlw 0x00 | |
| 257 rcall TFT_DataWrite | |
| 258 ; Row address end (d'319) | |
| 259 movlw 0x01 | |
| 260 rcall TFT_DataWrite | |
| 261 movlw 0x3F | |
| 262 rcall TFT_DataWrite | |
| 263 | |
| 264 movlw 0x2C ; Start Writing Data to GRAM | |
| 265 rcall TFT_CmdWrite | |
| 266 | |
| 267 RD_H ; Not Read | |
| 268 RS_H ; Data | |
| 269 NCS_L ; Not CS | |
| 270 clrf PORTA ; Data Upper | |
| 271 clrf PORTH ; Data Lower | |
| 272 bcf INTCON,GIE | |
| 273 movlw d'10' | |
| 274 movwf tft_temp3 | |
| 275 TFT_ClearScreen_display4_loop1: | |
| 276 movlw d'30' | |
| 277 movwf tft_temp2 | |
| 278 TFT_ClearScreen_display4_loop2: | |
| 279 clrf tft_temp1 ; 30*10*256=76800 Pixels -> Clear complete 240*320 | |
| 280 TFT_ClearScreen_display4_loop3: | |
| 281 WR_L | |
| 282 WR_H ; Tick | |
| 283 decfsz tft_temp1,F | |
| 284 bra TFT_ClearScreen_display4_loop3 | |
| 285 decfsz tft_temp2,F | |
| 286 bra TFT_ClearScreen_display4_loop2 | |
| 287 decfsz tft_temp3,F | |
| 288 bra TFT_ClearScreen_display4_loop1 | |
| 289 bsf INTCON,GIE | |
| 290 return | |
| 291 | |
| 628 | 292 |
| 582 | 293 global TFT_DisplayOff |
| 0 | 294 TFT_DisplayOff: |
| 628 | 295 bcf lightsen_power ; power-down light sensor |
| 631 | 296 btfsc screen_type3 ; screen type 3 ? |
| 297 bra TFT_DisplayOff_display3 ; YES - screen needs special power-down sequence | |
| 298 clrf CCP1CON ; NO - stop PWM | |
| 299 bcf PORTC,2 ; - pull PWM out to GND | |
| 0 | 300 clrf PORTA |
| 582 | 301 clrf PORTH |
| 623 | 302 RD_L ; LOW |
| 303 RS_L ; LOW | |
| 640 | 304 WR_L |
| 305 NCS_L | |
| 623 | 306 bcf tft_nreset |
| 307 bsf tft_power ; inverted... | |
| 628 | 308 return |
| 309 | |
| 310 TFT_DisplayOff_display3: | |
| 311 movlw 0x05 | |
| 312 rcall TFT_CmdWrite | |
| 313 movlw 0x00 | |
| 314 rcall TFT_DataWrite | |
| 315 movlw 0x00 | |
| 316 rcall TFT_DataWrite | |
| 317 WAITMS d'32' | |
| 318 clrf CCP1CON ; stop PWM | |
| 319 bcf PORTC,2 ; pull PWM out to GND | |
| 320 WAITMS d'32' | |
| 321 movlw 0x10 | |
| 322 rcall TFT_CmdWrite | |
| 323 movlw 0x00 | |
| 324 rcall TFT_DataWrite | |
| 325 movlw 0x01 | |
| 326 rcall TFT_DataWrite | |
| 327 WAITMS d'100' | |
| 328 clrf PORTH | |
| 329 bcf tft_nwr | |
| 330 bcf tft_cs | |
| 331 bcf tft_nreset | |
| 332 WAITMS d'10' | |
| 333 bsf tft_power ; inverted... | |
| 0 | 334 return |
| 335 | |
| 336 ; ----------------------------- | |
| 337 ; TFT boot | |
| 338 ; ----------------------------- | |
| 582 | 339 |
| 340 global TFT_boot | |
| 0 | 341 TFT_boot: |
| 623 | 342 ; switch off backlight |
| 343 clrf CCP1CON ; stop PWM | |
| 344 bcf PORTC,2 ; pull PWM out to GND | |
| 345 | |
| 0 | 346 clrf PORTA |
| 347 clrf PORTH | |
| 348 RD_L ; LOW | |
| 349 nop | |
| 628 | 350 WR_L |
| 351 nop | |
| 352 NCS_L ; Not CS | |
| 0 | 353 nop |
| 354 bcf tft_nreset | |
| 355 WAITMS d'1' | |
| 356 bcf tft_power ; inverted... | |
| 357 WAITMS d'1' | |
| 358 RD_H ; Keep high | |
| 628 | 359 nop |
| 0 | 360 WAITMS d'2' |
| 361 bsf tft_nreset | |
| 461 | 362 WAITMS d'5' |
| 363 bcf tft_nreset | |
| 364 WAITMS d'5' | |
| 365 bsf tft_nreset | |
| 0 | 366 WAITMS d'150' |
| 628 | 367 WR_H ; release bus |
| 604 | 368 bsf lightsen_power ; supply power to light sensor |
| 0 | 369 |
| 628 | 370 btfsc screen_type3 ; display type 3 ? |
| 371 bra TFT_boot_screen3 ; YES | |
| 372 | |
| 654 | 373 btfsc screen_type4 ; display type 4 ? |
| 374 bra TFT_boot_screen4 ; YES | |
| 375 | |
| 582 | 376 ; Data Transfer Synchronization |
| 0 | 377 Parameter_out 0x00, 0x00 |
| 378 Parameter_out 0x00, 0x00 | |
| 582 | 379 |
| 623 | 380 btfsc screen_type2 ; display type 2 ? |
| 381 bra TFT_boot_screen2 ; YES | |
| 608 | 382 |
| 623 | 383 ; Get screen type from Bootloader-Info |
| 582 | 384 movlw 0x7B |
| 385 movwf TBLPTRL | |
| 386 movlw 0xF7 | |
| 387 movwf TBLPTRH | |
| 388 movlw 0x01 | |
| 389 movwf TBLPTRU | |
| 623 | 390 TBLRD*+ ; reads 0x6E for cR and USB OSTC3, 0x00 for BLE (2 and 3), and 0x02 for display 1 OSTC |
| 391 movlw 0x02 ; coding for display 1 | |
| 392 cpfseq TABLAT ; display 1 ? | |
| 393 bra TFT_boot_0 ; NO - display 0 | |
| 360 | 394 |
| 395 TFT_boot_1: | |
| 582 | 396 ; Init through config table... |
| 397 movlw 0x74 | |
| 398 movwf TBLPTRL | |
| 399 movlw 0xF7 | |
| 400 movwf TBLPTRH | |
| 401 movlw 0x01 | |
| 402 movwf TBLPTRU | |
| 628 | 403 bsf screen_type1 |
| 582 | 404 bra TFT_boot_com |
| 360 | 405 |
|
441
360acdcda0d7
+BUGFIX: Compatibility with "hwOS Config" fixed
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406 TFT_boot_0: |
| 582 | 407 ; Init through config table... |
| 408 movlw LOW display0_config_table | |
| 409 movwf TBLPTRL | |
| 410 movlw HIGH display0_config_table | |
| 411 movwf TBLPTRH | |
| 412 movlw UPPER display0_config_table | |
| 413 movwf TBLPTRU | |
| 648 | 414 btfss less_io_cpu ; less I/O CPU? |
| 415 bcf screen_type1 ; NO | |
| 582 | 416 |
| 360 | 417 TFT_boot_com: |
| 582 | 418 rcall display0_init_loop |
| 0 | 419 |
| 582 | 420 Index_out 0x03 |
| 421 btfsc flip_screen ; 180° rotation ? | |
| 604 | 422 bra TFT_boot2 ; YES |
| 360 | 423 |
| 628 | 424 btfss screen_type1 ; display1? |
| 604 | 425 bra TFT_boot1a ; NO |
| 582 | 426 Parameter_out 0x10, 0x00 ; display1 |
| 427 bra TFT_boot3 | |
| 360 | 428 TFT_boot1a: |
| 582 | 429 Parameter_out 0x50, 0x20 ; display0 |
| 430 bra TFT_boot3 | |
|
152
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431 TFT_boot2: |
| 628 | 432 btfss screen_type1 ; display1? |
| 604 | 433 bra TFT_boot2a ; NO |
| 582 | 434 Parameter_out 0x10, 0x30 ; display1 |
| 435 bra TFT_boot3 | |
| 360 | 436 TFT_boot2a: |
| 582 | 437 Parameter_out 0x50, 0x10 ; display0 |
|
152
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438 TFT_boot3: |
| 0 | 439 Index_out 0x22 |
|
225
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440 rcall TFT_ClearScreen |
| 0 | 441 Index_out 0x07 |
| 312 | 442 Parameter_out 0x01, 0x33 |
| 654 | 443 return ; done TFT_boot |
| 0 | 444 |
| 445 display0_config_table: | |
| 582 | 446 ; Reg, Dat0, Dat1 or 0xFF,0x00,0x00 for end |
| 447 db 0xA4,0x00,0x01,0xFF,.002,0x00 | |
| 448 db 0x09,0x00,0x01,0x92,0x04,0x00 | |
| 449 db 0x93,0x04,0x02,0x94,0x00,0x02 | |
| 450 db 0x07,0x00,0x00,0x10,0x04,0x30 | |
| 451 db 0x11,0x02,0x37,0x12,0x11,0x8D | |
| 452 db 0x13,0x11,0x00,0x01,0x01,0x00 | |
| 453 db 0x02,0x02,0x00,0x03,0x50,0x20 | |
| 454 db 0x0A,0x00,0x08,0x0D,0x00,0x00 | |
| 455 db 0x0E,0x00,0x30,0xFF,.151,0x00 | |
| 456 db 0x12,0x11,0xBD,0x20,0x00,0x00 | |
| 457 db 0x21,0x00,0x00,0x30,0x06,0x02 | |
| 458 db 0x31,0x56,0x0D,0x32,0x05,0x07 | |
| 459 db 0x33,0x06,0x09,0x34,0x00,0x00 | |
| 460 db 0x35,0x09,0x06,0x36,0x57,0x05 | |
| 461 db 0x37,0x0D,0x06,0x38,0x02,0x06 | |
| 462 db 0x39,0x00,0x00,0xFF,0x00,0x00 | |
| 0 | 463 |
| 464 display0_init_loop: | |
| 582 | 465 TBLRD*+ |
| 466 movlw 0xFF | |
| 467 cpfseq TABLAT | |
| 623 | 468 bra display0_config_write ; write configuration data pair to display |
| 582 | 469 ; Delay ms or quit (return) |
| 470 TBLRD*+ | |
| 623 | 471 tstfsz TABLAT ; end of configuration data? |
| 604 | 472 bra $+4 ; NO |
| 473 return ; YES - done | |
| 582 | 474 movf TABLAT,W |
| 604 | 475 call WAITMSX ; wait WREG milliseconds |
| 476 TBLRD*+ ; dummy read (Third byte of delay command) | |
| 477 bra display0_init_loop ; loop | |
| 0 | 478 |
| 604 | 479 display0_config_write: ; with command in WREG |
| 582 | 480 movf TABLAT,W |
| 604 | 481 rcall TFT_CmdWrite ; write command |
| 482 TBLRD*+ ; get config0 | |
| 582 | 483 movff TABLAT,PORTA |
| 604 | 484 TBLRD*+ ; get config1 |
| 582 | 485 movf TABLAT,W |
| 623 | 486 rcall TFT_DataWrite ; write configuration |
| 604 | 487 bra display0_init_loop ; loop |
| 0 | 488 |
| 623 | 489 |
| 608 | 490 TFT_boot_screen2: |
| 623 | 491 rcall display1_init ; initialization sequence |
| 608 | 492 |
| 623 | 493 btfss flip_screen ; 180° rotation? |
| 494 bra TFT_ClearScreen ; NO - done: clear screen and return | |
| 495 ; flip the GRAM | |
| 496 Index_out 0x16 | |
| 497 movlw 0x48 ; flip image in the GRAM (very elegant with display 2...) | |
| 498 rcall TFT_DataWrite ; Write configuration | |
| 499 bra TFT_ClearScreen ; clear screen and return | |
| 608 | 500 |
| 628 | 501 TFT_boot_screen3: |
| 502 rcall display1_init ; init sequence | |
| 503 rcall TFT_ClearScreen | |
| 504 setf CCPR1L ; duty cycle, 255 is required for OLED | |
| 505 ; Set brightness | |
| 645 | 506 movff brightness,PRODL ; =0: Eco, =1:Medium, =2:Full |
| 628 | 507 incf PRODL,F ; +1 |
| 508 dcfsnz PRODL,F | |
| 509 rcall TFT_display3_low | |
| 510 dcfsnz PRODL,F | |
| 511 rcall TFT_display3_med | |
| 512 dcfsnz PRODL,F | |
| 513 rcall TFT_display3_high | |
| 514 ; ToDo: Flip.... | |
| 515 return | |
| 516 | |
| 608 | 517 display1_init: |
| 623 | 518 movlw LOW (0x1F8BC ) |
| 519 movwf TBLPTRL | |
| 520 movlw HIGH (0x1F8BC & 0xFFFF) | |
| 521 movwf TBLPTRH | |
| 522 movlw UPPER (0x1F8BC ) | |
| 523 movwf TBLPTRU | |
| 608 | 524 display1_init_loop: |
| 623 | 525 TBLRD*+ |
| 526 movlw 0xFF ; coding for end of configuration or wait step | |
| 527 cpfseq TABLAT | |
| 528 bra display1_config_write ; write configuration pair to display | |
| 529 ; Delay ms or quit (return) | |
| 530 TBLRD*+ | |
| 531 tstfsz TABLAT ; end of configuration? | |
| 532 bra $+4 ; NO - skip return | |
| 533 return ; YES - done | |
| 534 movf TABLAT,W ; read waiting time | |
| 535 call WAITMSX ; wait WREG milliseconds | |
| 536 bra display1_init_loop ; loop | |
| 537 display1_config_write: ; with command in WREG | |
| 538 movf TABLAT,W | |
| 539 rcall TFT_CmdWrite ; write command | |
| 540 TBLRD*+ ; get configuration | |
| 541 movf TABLAT,W | |
| 542 rcall TFT_DataWrite ; write configuration | |
| 628 | 543 btfss screen_type3 ; screen 3 ? |
| 544 bra display1_init_loop ; NO - loop | |
| 545 ; Screen 3 gets another byte from the table | |
| 546 TBLRD*+ ; get configuration | |
| 547 movf TABLAT,W | |
| 548 rcall TFT_DataWrite ; write configuration | |
| 623 | 549 bra display1_init_loop ; loop |
| 608 | 550 |
| 654 | 551 TFT_boot_screen4: |
| 552 movlw 0xB0 | |
| 553 rcall TFT_CmdWrite | |
| 554 movlw 0x00 | |
| 555 rcall TFT_DataWrite | |
| 556 movlw 0xC4 | |
| 557 rcall TFT_DataWrite | |
| 558 | |
| 559 movlw 0xB1 | |
| 560 rcall TFT_CmdWrite | |
| 561 movlw 0xC0 | |
| 562 rcall TFT_DataWrite | |
| 563 | |
| 564 movlw 0x3A | |
| 565 rcall TFT_CmdWrite | |
| 566 movlw 0x55 | |
| 567 rcall TFT_DataWrite | |
| 568 | |
| 569 movlw 0x36 ; x/y mirror, see page 125 of ST7789V datasheet | |
| 570 rcall TFT_CmdWrite | |
| 571 movlw 0x40 ; 0x40 (normal orientation) | |
| 572 rcall TFT_DataWrite | |
| 573 | |
| 574 movlw 0xB0 | |
| 575 rcall TFT_CmdWrite | |
| 576 movlw 0x00 | |
| 577 rcall TFT_DataWrite | |
| 578 | |
| 579 movlw 0xB2 | |
| 580 call TFT_CmdWrite | |
| 581 movlw 0x0C | |
| 582 rcall TFT_DataWrite | |
| 583 movlw 0x0C | |
| 584 rcall TFT_DataWrite | |
| 585 movlw 0x00 | |
| 586 rcall TFT_DataWrite | |
| 587 movlw 0x33 | |
| 588 rcall TFT_DataWrite | |
| 589 movlw 0x33 | |
| 590 rcall TFT_DataWrite | |
| 591 | |
| 592 movlw 0xB7 | |
| 593 rcall TFT_CmdWrite | |
| 594 movlw 0x75 | |
| 595 rcall TFT_DataWrite | |
| 596 | |
| 597 movlw 0xBB | |
| 598 rcall TFT_CmdWrite | |
| 599 movlw 0x20 | |
| 600 rcall TFT_DataWrite | |
| 601 | |
| 602 movlw 0xC0 | |
| 603 rcall TFT_CmdWrite | |
| 604 movlw 0x2C | |
| 605 rcall TFT_DataWrite | |
| 606 | |
| 607 movlw 0xC2 | |
| 608 rcall TFT_CmdWrite | |
| 609 movlw 0x01 | |
| 610 rcall TFT_DataWrite | |
| 611 | |
| 612 movlw 0xC3 | |
| 613 rcall TFT_CmdWrite | |
| 614 movlw 0x19 | |
| 615 rcall TFT_DataWrite | |
| 616 | |
| 617 movlw 0xC4 | |
| 618 rcall TFT_CmdWrite | |
| 619 movlw 0x20 | |
| 620 rcall TFT_DataWrite | |
| 621 | |
| 622 movlw 0xC6 | |
| 623 rcall TFT_CmdWrite | |
| 624 movlw 0x0F | |
| 625 rcall TFT_DataWrite | |
| 626 | |
| 627 movlw 0xD0 | |
| 628 rcall TFT_CmdWrite | |
| 629 movlw 0xA7 | |
| 630 rcall TFT_DataWrite | |
| 631 movlw 0xA1 | |
| 632 rcall TFT_DataWrite | |
| 633 | |
| 634 movlw 0xBB | |
| 635 rcall TFT_CmdWrite | |
| 636 movlw 0x35 | |
| 637 rcall TFT_DataWrite | |
| 638 | |
| 639 movlw 0xC0 | |
| 640 rcall TFT_CmdWrite | |
| 641 movlw 0x2C | |
| 642 rcall TFT_DataWrite | |
| 643 | |
| 644 movlw 0xC2 | |
| 645 rcall TFT_CmdWrite | |
| 646 movlw 0x01 | |
| 647 rcall TFT_DataWrite | |
| 648 | |
| 649 movlw 0xC3 | |
| 650 rcall TFT_CmdWrite | |
| 651 movlw 0x11 | |
| 652 rcall TFT_DataWrite | |
| 653 | |
| 654 movlw 0xC4 | |
| 655 rcall TFT_CmdWrite | |
| 656 movlw 0x20 | |
| 657 rcall TFT_DataWrite | |
| 658 | |
| 659 movlw 0xC6 | |
| 660 rcall TFT_CmdWrite | |
| 661 movlw 0x0F | |
| 662 rcall TFT_DataWrite | |
| 663 | |
| 664 movlw 0xD0 | |
| 665 rcall TFT_CmdWrite | |
| 666 movlw 0xA7 | |
| 667 rcall TFT_DataWrite | |
| 668 movlw 0xA1 | |
| 669 rcall TFT_DataWrite | |
| 670 | |
| 671 movlw 0xBB | |
| 672 rcall TFT_CmdWrite | |
| 673 movlw 0x35 | |
| 674 rcall TFT_DataWrite | |
| 675 | |
| 676 movlw 0xC0 | |
| 677 rcall TFT_CmdWrite | |
| 678 movlw 0x2C | |
| 679 rcall TFT_DataWrite | |
| 680 | |
| 681 movlw 0x2C | |
| 682 rcall TFT_CmdWrite | |
| 683 movlw 0x01 | |
| 684 rcall TFT_DataWrite | |
| 685 | |
| 686 movlw 0xC3 | |
| 687 rcall TFT_CmdWrite | |
| 688 movlw 0x11 | |
| 689 rcall TFT_DataWrite | |
| 690 | |
| 691 movlw 0xC4 | |
| 692 rcall TFT_CmdWrite | |
| 693 movlw 0x20 | |
| 694 rcall TFT_DataWrite | |
| 695 | |
| 696 movlw 0xC6 | |
| 697 rcall TFT_CmdWrite | |
| 698 movlw 0x0F | |
| 699 rcall TFT_DataWrite | |
| 700 | |
| 701 movlw 0xD0 | |
| 702 rcall TFT_CmdWrite | |
| 703 movlw 0xA4 | |
| 704 rcall TFT_DataWrite | |
| 705 movlw 0xA1 | |
| 706 rcall TFT_DataWrite | |
| 707 ; gamma | |
| 708 movlw 0x11 | |
| 709 rcall TFT_CmdWrite | |
| 710 | |
| 711 movlw 0x21 | |
| 712 rcall TFT_CmdWrite | |
| 713 WAITMS d'60' | |
| 714 | |
| 715 movlw 0x29 | |
| 716 rcall TFT_CmdWrite | |
| 717 WAITMS d'50' | |
| 718 rcall TFT_ClearScreen | |
| 719 ; ToDo: Flip.... | |
| 720 return ; done TFT_boot | |
| 721 | |
| 623 | 722 |
| 723 global TFT_CmdWrite | |
| 608 | 724 TFT_CmdWrite: |
| 725 RS_L ; command | |
| 628 | 726 ; btfsc screen_type2 |
| 727 ; bra TFT_CmdWrite_screen2 | |
| 608 | 728 clrf PORTA ; upper |
| 729 bcf INTCON,GIE | |
| 648 | 730 btfsc less_io_cpu ; less I/O CPU? |
| 731 bra TFT_CmdWrite_less_io ; YES | |
| 608 | 732 movwf PORTH ; lower |
| 733 WR_L | |
| 734 WR_H ; tick | |
| 735 bsf INTCON,GIE | |
| 736 return | |
| 628 | 737 ;TFT_CmdWrite_screen2: |
| 738 ; movwf PORTH ; lower | |
| 739 ; WR_L | |
| 740 ; WR_H ; tick | |
| 741 ; return; | |
| 608 | 742 |
| 648 | 743 TFT_CmdWrite_less_io: |
| 744 WR_L | |
| 745 WR_H ; tick | |
| 746 movwf PORTA ; lower | |
| 747 WR_L | |
| 748 WR_H ; tick | |
| 749 bsf INTCON,GIE | |
| 750 return | |
| 751 | |
| 608 | 752 global TFT_DataWrite |
| 753 TFT_DataWrite: | |
| 754 RS_H ; data | |
| 628 | 755 ; btfsc screen_type2 |
| 756 ; bra TFT_DataWrite_screen2 | |
| 608 | 757 bcf INTCON,GIE |
| 648 | 758 btfsc less_io_cpu ; less I/O CPU? |
| 759 bra TFT_DataWrite_less_io ; YES | |
| 623 | 760 movwf PORTH ; lower |
| 608 | 761 WR_L |
| 762 WR_H ; tick | |
| 763 bsf INTCON,GIE | |
| 764 return | |
| 628 | 765 ;TFT_DataWrite_screen2: |
| 766 ; movwf PORTH ; lower | |
| 767 ; WR_L | |
| 768 ; WR_H ; tick | |
| 769 ; return | |
| 648 | 770 TFT_DataWrite_less_io: |
| 771 WR_L | |
| 772 WR_H ; tick | |
| 773 movwf PORTA ; lower | |
| 774 WR_L | |
| 775 WR_H ; tick | |
| 776 bsf INTCON,GIE | |
| 777 return | |
| 608 | 778 |
| 623 | 779 |
| 634 | 780 ;----------------------------------------------------------------------------- |
| 0 | 781 ; Smooth lighting-up of the display: |
| 782 ; | |
| 783 ; Trashes: WREG, PRODL | |
| 784 ; Typical usage: | |
| 604 | 785 ; clrf CCPR1L ; backlight off |
| 582 | 786 ; [draw splash screen] |
| 787 ; call TFT_DisplayFadeIn | |
| 634 | 788 ; |
| 582 | 789 global TFT_Display_FadeIn |
| 0 | 790 TFT_Display_FadeIn: |
| 623 | 791 movlw CCP1CON_VALUE ; get configuration |
| 792 movwf CCP1CON ; set configuration | |
| 604 | 793 bsf tft_is_dimming ; TFT is dimming, ignore ambient sensor |
| 628 | 794 btfsc screen_type3 |
| 634 | 795 bra TFT_Display_FadeIn_1 |
| 604 | 796 clrf CCPR1L ; backlight off - to be sure |
| 582 | 797 movff max_CCPR1L,PRODL |
| 0 | 798 TFT_Display_FadeIn_0: |
| 604 | 799 incf CCPR1L,F ; duty cycle |
| 582 | 800 WAITMS d'2' |
| 801 decfsz PRODL,F | |
| 623 | 802 bra TFT_Display_FadeIn_0 |
| 604 | 803 bcf tft_is_dimming ; dimming done |
| 582 | 804 return |
| 628 | 805 TFT_Display_FadeIn_1: |
| 806 setf CCPR1L | |
| 807 return | |
| 0 | 808 |
| 634 | 809 ;----------------------------------------------------------------------------- |
| 0 | 810 ; Smooth lighting-off of the display: |
| 811 ; Trashes: WREG, PRODL | |
| 634 | 812 ; |
| 582 | 813 global TFT_Display_FadeOut |
| 0 | 814 TFT_Display_FadeOut: |
| 582 | 815 movff max_CCPR1L,PRODL |
| 604 | 816 bsf tft_is_dimming ; TFT is dimming, ignore ambient sensor |
| 628 | 817 btfsc screen_type3 |
| 640 | 818 return ; Do not fade out screen type 3 |
| 0 | 819 TFT_Display_FadeOut_0: |
| 604 | 820 movff PRODL,CCPR1L ; duty cycle |
| 582 | 821 WAITMS d'1' |
| 822 decfsz PRODL,F | |
| 823 bra TFT_Display_FadeOut_0 | |
| 628 | 824 TFT_Display_FadeOut_1: |
| 582 | 825 clrf CCPR1L |
| 826 return | |
| 0 | 827 |
| 634 | 828 ;----------------------------------------------------------------------------- |
| 829 ; OLED brightness control | |
| 830 ; | |
| 628 | 831 TFT_display3_high: ; 0x01F8F8 |
| 832 movlw LOW (0x01F8F8 ) | |
| 833 movwf TBLPTRL | |
| 834 movlw HIGH (0x01F8F8 & 0xFFFF) | |
| 835 movwf TBLPTRH | |
| 836 movlw UPPER (0x01F8F8 ) | |
| 837 movwf TBLPTRU | |
| 838 bra display1_init_loop ; and return | |
| 839 | |
| 840 TFT_display3_med: ; 0x01F91C | |
| 841 movlw LOW (0x01F91C ) | |
| 842 movwf TBLPTRL | |
| 843 movlw HIGH (0x01F91C & 0xFFFF) | |
| 844 movwf TBLPTRH | |
| 845 movlw UPPER (0x01F91C ) | |
| 846 movwf TBLPTRU | |
| 847 bra display1_init_loop ; and return | |
| 848 | |
| 849 TFT_display3_low: ; 0x01F8D4 | |
| 850 movlw LOW (0x01F8D4 ) | |
| 851 movwf TBLPTRL | |
| 852 movlw HIGH (0x01F8D4 & 0xFFFF) | |
| 853 movwf TBLPTRH | |
| 854 movlw UPPER (0x01F8D4 ) | |
| 855 movwf TBLPTRU | |
| 856 bra display1_init_loop ; and return | |
| 857 | |
| 0 | 858 |
| 634 | 859 ;----------------------------------------------------------------------------- |
| 860 ; colored (filled) Boxes | |
| 861 ; | |
| 862 global box_std_block, box_black_block, box_color_block, box_color | |
| 0 | 863 |
| 604 | 864 box_std_block: ; use white color |
| 582 | 865 setf WREG |
| 634 | 866 bra box_color_block |
| 604 | 867 box_black_block: ; use black color |
| 582 | 868 clrf WREG |
| 634 | 869 box_color_block: ; use color from WREG |
| 582 | 870 rcall TFT_set_color |
| 871 VARARGS_BEGIN | |
| 872 VARARGS_GET8 win_top | |
| 873 VARARGS_GET8 win_height | |
| 874 VARARGS_GET8 win_leftx2 | |
| 875 VARARGS_GET8 win_width | |
| 876 VARARGS_END | |
| 877 bra TFT_box | |
| 0 | 878 |
| 634 | 879 box_color: ; use color from WREG and pre-set coordinates |
| 880 rcall TFT_set_color | |
| 881 bra TFT_box | |
| 0 | 882 |
| 883 | |
| 634 | 884 ;----------------------------------------------------------------------------- |
| 885 ; colored Frames | |
| 886 ; | |
| 887 global box_frame_std, box_frame_color | |
| 888 | |
| 889 box_frame_std: ; use white color | |
| 582 | 890 setf WREG |
| 634 | 891 box_frame_color: ; use color from WREG |
| 582 | 892 rcall TFT_set_color |
| 893 VARARGS_BEGIN | |
| 894 VARARGS_GET8 win_top | |
| 895 VARARGS_GET8 win_height | |
| 896 VARARGS_GET8 win_leftx2 | |
| 897 VARARGS_GET8 win_width | |
| 898 VARARGS_END | |
| 899 bra TFT_frame | |
| 634 | 900 |
| 0 | 901 |
| 634 | 902 ; ;----------------------------------------------------------------------------- |
| 903 ; ; Init for half_pixel_write | |
| 904 ; ; Set column register on TFT device, and current color. | |
| 905 ; ; Inputs: win_leftx2 | |
| 906 ; ; Outputs: win_color_1/_2 | |
| 907 ; ; Trashed: WREG, PROD | |
| 908 ; ; | |
| 909 ; ; global init_pixel_write | |
| 910 ; ;init_pixel_write: | |
| 911 ; ; movf win_leftx2,W | |
| 912 ; ; mullw 2 | |
| 913 ; ; rcall pixel_write_col320 ; start address vertical (.0 - .319) | |
| 914 ; ; setf WREG | |
| 915 ; ; bra TFT_set_color | |
| 916 | |
| 0 | 917 |
| 918 ;----------------------------------------------------------------------------- | |
| 634 | 919 ; Draw two half-pixels at position (win_top,win_leftx2) |
| 920 ; Inputs: win_leftx2, win_top, win_color_1/_2 | |
| 0 | 921 ; Trashed: WREG, PROD |
| 634 | 922 ; |
| 582 | 923 global pixel_write |
| 0 | 924 pixel_write: |
| 582 | 925 movf win_leftx2,W |
| 623 | 926 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 927 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 928 rcall half_pixel_write ; write this half-one | |
| 628 | 929 |
| 604 | 930 movf win_leftx2,W ; address of next one |
| 623 | 931 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 932 INCI PROD ; PROD++ | |
| 582 | 933 rcall pixel_write_col320 |
| 628 | 934 bra half_pixel_write ; and return... note: cmd 0x20 is mandatory, because |
| 582 | 935 ; of the auto-increment going vertical |
| 0 | 936 |
| 937 global pixel_write_col320 | |
| 938 pixel_write_col320: | |
| 654 | 939 btfsc screen_type4 ; display type 4 ? |
| 940 bra pixel_write_col320_d4 ; YES | |
| 941 btfsc screen_type3 ; display type 3 ? | |
| 942 bra pixel_write_col320_d3 ; YES | |
| 628 | 943 btfsc screen_type2 ; display type 2 ? |
| 944 bra pixel_write_col320_d2 ; YES | |
| 945 btfsc screen_type1 ; display type 1 ? | |
| 946 bra pixel_write_col320_d1 ; YES | |
| 947 ; NO to all - display type 0 | |
| 582 | 948 btfss flip_screen ; 180° rotation? |
| 604 | 949 bra pixel_write_noflip_H ; NO |
| 950 bra pixel_write_flip_H ; YES | |
| 623 | 951 pixel_write_col320_d1: ; display type 1 |
| 582 | 952 btfsc flip_screen ; 180° rotation? |
| 623 | 953 bra pixel_write_noflip_H ; YES |
| 604 | 954 pixel_write_flip_H: ; flip d0 |
| 955 movf PRODL,W ; 16 bits 319 - PROD --> PROD | |
| 623 | 956 sublw LOW .319 ; 319-W --> W |
| 582 | 957 movwf PRODL |
| 958 movf PRODH,W | |
| 604 | 959 btfss STATUS,C ; borrow = /CARRY |
| 582 | 960 incf WREG |
| 623 | 961 sublw HIGH .319 |
| 582 | 962 movwf PRODH |
| 151 | 963 |
| 964 pixel_write_noflip_H: | |
| 604 | 965 Index_out 0x21 ; frame memory vertical address |
| 582 | 966 bra TFT_DataWrite_PROD ; and return... |
| 0 | 967 |
| 608 | 968 pixel_write_col320_d2: |
| 623 | 969 movlw 0x06 |
| 970 rcall TFT_CmdWrite | |
| 971 movf PRODH,W | |
| 972 rcall TFT_DataWrite | |
| 973 movlw 0x07 | |
| 974 rcall TFT_CmdWrite | |
| 975 movf PRODL,W | |
| 976 rcall TFT_DataWrite | |
| 608 | 977 |
| 623 | 978 incf PRODL,F |
| 979 movlw .0 | |
| 980 addwfc PRODH,F ; +1 | |
| 608 | 981 |
| 623 | 982 movlw 0x08 |
| 983 rcall TFT_CmdWrite | |
| 984 movf PRODH,W | |
| 985 rcall TFT_DataWrite | |
| 986 movlw 0x09 | |
| 987 rcall TFT_CmdWrite | |
| 988 movf PRODL,W | |
| 989 bra TFT_DataWrite ; ... and return | |
| 608 | 990 |
| 628 | 991 pixel_write_col320_d3: |
| 992 movlw 0x21 ; start address vertical (.0 - .319) | |
| 993 rcall TFT_CmdWrite | |
| 994 bra TFT_DataWrite_PROD ; and return... | |
| 995 | |
| 654 | 996 pixel_write_col320_d4: |
| 997 movlw 0x2A | |
| 998 rcall TFT_CmdWrite | |
| 999 rcall TFT_DataWrite_PROD | |
| 1000 incf PRODL,F | |
| 1001 movlw .0 | |
| 1002 addwfc PRODH,F ; +1 | |
| 1003 bra TFT_DataWrite_PROD ; and return... | |
| 1004 | |
| 0 | 1005 ;----------------------------------------------------------------------------- |
| 634 | 1006 ; Write one half-pixel at position (win_top,win_leftx2). |
| 1007 ; Inputs: win_leftx2, win_top, win_color_1/_2 | |
| 0 | 1008 ; Trashed: WREG, PROD |
| 634 | 1009 ; |
| 582 | 1010 global half_pixel_write |
| 0 | 1011 half_pixel_write: |
| 628 | 1012 movf win_top,W ; d'0' ... d'239' |
| 1013 ; Variant with Y position in WREG | |
| 0 | 1014 half_pixel_write_1: |
| 654 | 1015 btfsc screen_type4 ; display type 4 ? |
| 1016 bra half_pixel_write_1_display4 ; YES | |
| 1017 btfsc screen_type3 ; display type 3 ? | |
| 1018 bra half_pixel_write_1_display3 ; YES | |
| 628 | 1019 btfsc screen_type2 ; display type 2 ? |
| 1020 bra half_pixel_write_1_display2 ; YES | |
| 608 | 1021 |
| 628 | 1022 half_pixel_write_1_display1: |
| 582 | 1023 btfss flip_screen ; 180° rotation? |
| 1024 sublw .239 ; 239-Y --> Y | |
| 604 | 1025 mullw .1 ; copy row to PRODL (PRODH=0) |
| 1026 Index_out 0x20 ; frame memory horizontal address | |
| 582 | 1027 rcall TFT_DataWrite_PROD |
| 0 | 1028 |
| 604 | 1029 Index_out 0x22 ; frame memory data write start |
| 1030 RS_H ; data | |
| 582 | 1031 bcf INTCON,GIE |
| 648 | 1032 movff win_color1,PORTA ; upper |
| 1033 btfsc less_io_cpu ; less I/O CPU? | |
| 1034 bra half_pixel_write_1_display1_l_io ; YES | |
| 1035 movff win_color2,PORTH ; lower | |
| 582 | 1036 WR_L |
| 648 | 1037 WR_H ; tick |
| 582 | 1038 bsf INTCON,GIE |
| 1039 return | |
| 0 | 1040 |
| 648 | 1041 half_pixel_write_1_display1_l_io: |
| 1042 WR_L | |
| 1043 WR_H ; tick | |
| 1044 movff win_color2,PORTA ; lower | |
| 1045 WR_L | |
| 1046 WR_H ; tick | |
| 1047 bsf INTCON,GIE | |
| 1048 return | |
| 1049 | |
| 628 | 1050 half_pixel_write_1_display2: |
| 623 | 1051 mullw 1 ; copy row to PRODL (PRODH=0) |
| 1052 ; Row address start | |
| 1053 movlw 0x02 | |
| 1054 rcall TFT_CmdWrite | |
| 1055 movlw .0 | |
| 1056 rcall TFT_DataWrite | |
| 1057 movlw 0x03 | |
| 1058 rcall TFT_CmdWrite | |
| 1059 movf PRODL,W | |
| 1060 rcall TFT_DataWrite | |
| 608 | 1061 |
| 623 | 1062 incf PRODL,F |
| 608 | 1063 |
| 623 | 1064 movlw 0x04 |
| 1065 rcall TFT_CmdWrite | |
| 1066 movlw .0 | |
| 1067 rcall TFT_DataWrite | |
| 1068 movlw 0x05 | |
| 1069 rcall TFT_CmdWrite | |
| 1070 movf PRODL,W | |
| 1071 rcall TFT_DataWrite | |
| 608 | 1072 |
| 1073 movff win_color1,PRODH | |
| 1074 movff win_color2,PRODL | |
| 1075 rcall convert_for_display2 | |
| 1076 | |
| 623 | 1077 movlw 0x22 ; start writing data to GRAM |
| 1078 rcall TFT_CmdWrite | |
| 1079 RS_H ; data | |
| 1080 movff win_color5, PORTH | |
| 608 | 1081 WR_L |
| 623 | 1082 WR_H ; tick |
| 1083 movff win_color4, PORTH | |
| 608 | 1084 WR_L |
| 623 | 1085 WR_H ; tick |
| 1086 movff win_color3, PORTH | |
| 608 | 1087 WR_L |
| 623 | 1088 WR_H ; tick |
| 1089 return | |
| 608 | 1090 |
| 628 | 1091 half_pixel_write_1_display3: |
| 1092 mullw 1 ; copy row to PRODL (PRODH=0) | |
| 1093 | |
| 1094 movlw 0x20 ; horizontal address START:END | |
| 1095 rcall TFT_CmdWrite | |
| 1096 rcall TFT_DataWrite_PROD | |
| 1097 | |
| 1098 movlw 0x22 ; start writing data to GRAM | |
| 1099 rcall TFT_CmdWrite | |
| 1100 RS_H ; data | |
| 1101 movff win_color1, PORTH | |
| 1102 WR_L | |
| 1103 WR_H ; tick | |
| 1104 movff win_color2, PORTH | |
| 1105 WR_L | |
| 1106 WR_H ; tick | |
| 1107 return ; done | |
| 1108 | |
| 654 | 1109 half_pixel_write_1_display4: |
| 1110 mullw 1 ; copy row to PRODL (PRODH=0) | |
| 1111 ; Row address start | |
| 1112 movlw 0x2B | |
| 1113 rcall TFT_CmdWrite | |
| 1114 movlw 0x00 | |
| 1115 rcall TFT_DataWrite | |
| 1116 movf PRODL,W | |
| 1117 rcall TFT_DataWrite | |
| 1118 | |
| 1119 incf PRODL,F ; +1 | |
| 1120 movlw 0x00 | |
| 1121 rcall TFT_DataWrite | |
| 1122 movf PRODL,W | |
| 1123 rcall TFT_DataWrite | |
| 1124 | |
| 1125 movlw 0x2C ; Start Writing Data to GRAM | |
| 1126 rcall TFT_CmdWrite | |
| 1127 RS_H ; data | |
| 1128 movff win_color1,PORTA ; upper | |
| 1129 movff win_color2,PORTH ; lower | |
| 1130 WR_L | |
| 1131 WR_H ; tick | |
| 1132 bsf INTCON,GIE | |
| 1133 return | |
| 1134 | |
| 0 | 1135 ;----------------------------------------------------------------------------- |
| 634 | 1136 ; Draw a vertical line of half-pixel at position (win_top,win_leftx2,win_height). |
| 1137 ; Inputs: win_leftx2, win_top, win_height, win_color_1/_2 | |
| 0 | 1138 ; Trashed: WREG, PROD, TABLAT, TBLPTRL |
| 634 | 1139 ; |
| 0 | 1140 global half_vertical_line |
| 1141 half_vertical_line: | |
| 604 | 1142 clrf TABLAT ; loop index |
| 0 | 1143 |
| 1144 half_vertical_line_loop: | |
| 604 | 1145 movf win_leftx2,W ; init X position |
| 623 | 1146 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 1147 movf TABLAT,W ; get loop index |
| 1148 andlw .1 ; just low bit | |
| 1149 xorwf PRODL,F ; and use it to jitter current X position | |
| 1150 rcall pixel_write_col320 ; start address vertical (.0 - .319) | |
| 0 | 1151 |
| 604 | 1152 movf win_height,W ; index reached height (bank0 read) ? |
| 582 | 1153 xorwf TABLAT,W |
| 604 | 1154 btfsc STATUS,Z ; Equal ? |
| 1155 return ; YES - done | |
| 1156 movf win_top,W ; Y = top + index (bank0 read) | |
| 582 | 1157 addwf TABLAT,W |
| 1158 rcall half_pixel_write_1 | |
| 1159 incf TABLAT,F ; index++ | |
| 1160 bra half_vertical_line_loop | |
| 0 | 1161 |
| 1162 ;----------------------------------------------------------------------------- | |
| 634 | 1163 ; Draw a horizontal line of half-pixel at position (win_top,win_leftx2,win_width). |
| 1164 ; Inputs: win_leftx2, win_top, win_width, win_color_1/_2 | |
| 0 | 1165 ; Trashed: WREG, PROD, TABLAT, TBLPTRL |
| 634 | 1166 ; |
| 0 | 1167 global half_horizontal_line |
| 1168 half_horizontal_line: | |
| 604 | 1169 clrf TABLAT ; loop index |
| 0 | 1170 |
| 1171 half_horizontal_line_loop: | |
| 604 | 1172 movf win_leftx2,W ; init X position |
| 623 | 1173 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 1174 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 1175 movf win_width,W ; index reached height (bank0 read) ? | |
| 582 | 1176 xorwf TABLAT,W |
| 604 | 1177 btfsc STATUS,Z ; equal ? |
| 1178 return ; YES - done | |
| 1179 movf win_top,W ; Y = top + index (bank0 read) | |
| 582 | 1180 addwf TABLAT,W |
| 1181 rcall half_pixel_write_1 | |
| 1182 incf TABLAT,F ; index++ | |
| 1183 bra half_horizontal_line_loop | |
| 0 | 1184 |
| 1185 | |
| 1186 ;----------------------------------------------------------------------------- | |
| 634 | 1187 ; TFT Data Command |
| 1188 ; | |
| 0 | 1189 TFT_DataWrite_PROD: |
| 623 | 1190 ; RD_H ; keep high |
| 1191 RS_H ; data | |
| 1192 btfsc screen_type2 ; screen type 2 ? | |
| 1193 bra TFT_DataWrite_PROD_display2 ; YES | |
| 628 | 1194 btfsc screen_type3 ; screen type 3 ? |
| 1195 bra TFT_DataWrite_PROD_display2 ; YES | |
| 623 | 1196 bcf INTCON,GIE ; NO - |
| 1197 movff PRODH,PORTA ; - move high byte to PORTA | |
| 648 | 1198 btfsc less_io_cpu ; less I/O CPU? |
| 1199 bra TFT_DataWrite_PROD_less_io ; YES | |
| 623 | 1200 movff PRODL,PORTH ; - move low byte to PORTH |
| 1201 WR_L ; - tick | |
| 1202 WR_H ; - tack | |
| 1203 bsf INTCON,GIE ; - | |
| 1204 return ; - done | |
| 0 | 1205 |
| 648 | 1206 TFT_DataWrite_PROD_less_io: |
| 1207 WR_L | |
| 1208 WR_H ; tick | |
| 1209 movff PRODL,PORTA ; - move low byte to PORTH | |
| 1210 WR_L ; - tick | |
| 1211 WR_H ; - tack | |
| 1212 bsf INTCON,GIE ; - | |
| 1213 return ; - done | |
| 1214 | |
| 608 | 1215 TFT_DataWrite_PROD_display2: |
| 623 | 1216 movff PRODH,PORTH ; move high byte to PORTH (display 2 is big endian) |
| 1217 WR_L ; tick | |
| 1218 WR_H ; tack | |
| 1219 movff PRODL,PORTH ; move low byte to PORTH | |
| 1220 WR_L ; tick | |
| 1221 WR_H ; tack | |
| 628 | 1222 btfsc screen_type3 ; screen type 3 ? |
| 1223 return ; YES - done | |
| 1224 movff win_color3,PORTH ; NO - move low(est) byte to PORTH | |
| 1225 WR_L ; - tick | |
| 1226 WR_H ; - tack | |
| 1227 return ; - done | |
| 623 | 1228 |
| 608 | 1229 |
| 0 | 1230 TFT_DataRead_PROD: |
| 604 | 1231 Index_out 0x22 ; frame memory data read start |
| 360 | 1232 TFT_CmdRead_PROD: |
| 604 | 1233 setf TRISA ; port A as input |
| 1234 setf TRISH ; port H as input | |
| 1235 RS_H ; data | |
| 1236 WR_H ; not write | |
| 1237 RD_L ; read | |
| 582 | 1238 nop |
| 1239 nop | |
| 1240 nop | |
| 604 | 1241 RD_H ; tick |
| 582 | 1242 nop |
| 1243 nop | |
| 1244 nop | |
| 604 | 1245 RD_L ; read |
| 582 | 1246 nop |
| 1247 ;nop | |
| 1248 ;nop | |
| 1249 movff PORTA,PRODH | |
| 1250 movff PORTH,PRODL | |
| 604 | 1251 RD_H ; tick |
| 582 | 1252 nop |
| 604 | 1253 clrf TRISA ; port A as output |
| 1254 clrf TRISH ; port H as output | |
| 0 | 1255 return |
| 1256 | |
| 634 | 1257 ;----------------------------------------------------------------------------- |
| 604 | 1258 ; Output TFT Window Address commands |
| 1259 ; Inputs : win_top, win_leftx2, win_height, win_width | |
| 1260 ; Output : PortA/PortH commands | |
| 0 | 1261 ; Trashed: PROD |
| 634 | 1262 ; |
| 582 | 1263 global TFT_box_write |
| 0 | 1264 TFT_box_write: |
| 634 | 1265 movf win_leftx2,W ; compute left = 2 * leftx2 --> PROD |
| 1266 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL | |
| 0 | 1267 |
| 654 | 1268 btfsc screen_type4 ; screen type 4 ? |
| 1269 bra TFT_box_write_display4 ; YES | |
| 1270 btfsc screen_type3 ; screen type 3 ? | |
| 1271 bra TFT_box_write_display3 ; YES | |
| 634 | 1272 btfsc screen_type2 ; screen type 2 ? |
| 1273 bra TFT_box_write_display2 ; YES | |
| 1274 btfsc screen_type1 ; screen type 1 ? | |
| 1275 bra TFT_box_write_display1 ; YES | |
| 608 | 1276 |
| 623 | 1277 ; screen type 0 |
| 634 | 1278 TFT_box_write_display0: |
| 1279 btfsc flip_screen ; 180° rotation? | |
| 1280 bra TFT_box_do_flip_H ; YES | |
| 1281 bra TFT_box_no_flip_H ; NO | |
| 1282 | |
| 1283 ; screen type 1 | |
| 1284 TFT_box_write_display1: | |
| 1285 btfss flip_screen ; 180° rotation? | |
| 1286 bra TFT_box_do_flip_H ; NO | |
| 1287 ;bra TFT_box_no_flip_H ; YES | |
| 1288 | |
| 582 | 1289 ;---- Normal horizontal window --------------------------------------- |
| 634 | 1290 TFT_box_no_flip_H: |
| 604 | 1291 Index_out 0x52 ; window vertical start address |
| 1292 rcall TFT_DataWrite_PROD ; output left | |
| 1293 Index_out 0x21 ; frame memory vertical address | |
| 1294 rcall TFT_DataWrite_PROD ; output left | |
| 0 | 1295 |
| 582 | 1296 movf win_width+0,W ; right = left + width - 1 |
| 432 | 1297 addwf PRODL,F |
| 1298 movf win_width+1,W | |
| 1299 addwfc PRODH,F | |
| 623 | 1300 decf PRODL,F ; right-- |
| 582 | 1301 btfss STATUS,C |
| 432 | 1302 decf PRODH,F |
| 0 | 1303 |
| 604 | 1304 Index_out 0x53 ; window vertical end address |
| 582 | 1305 rcall TFT_DataWrite_PROD |
| 634 | 1306 bra TFT_box_common_H |
| 0 | 1307 |
| 582 | 1308 ;---- Flipped horizontal window -------------------------------------- |
| 634 | 1309 TFT_box_do_flip_H: |
| 623 | 1310 ; calculate new coordinate |
| 604 | 1311 movf PRODL,W ; 16 bits 319 - PROD --> PROD |
| 623 | 1312 sublw LOW .319 ; 319 - WREG --> WREG |
| 582 | 1313 movwf PRODL |
| 1314 movf PRODH,W | |
| 604 | 1315 btfss STATUS,C ; borrow = /CARRY |
| 582 | 1316 incf WREG |
| 623 | 1317 sublw HIGH .319 |
| 582 | 1318 movwf PRODH |
|
152
19ad15f04f60
BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents:
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diff
changeset
|
1319 |
| 604 | 1320 Index_out 0x53 ; window vertical start address |
| 1321 rcall TFT_DataWrite_PROD ; output left | |
| 1322 Index_out 0x21 ; frame memory vertical address | |
| 1323 rcall TFT_DataWrite_PROD ; output left | |
| 151 | 1324 |
| 623 | 1325 ; calculate new coordinate |
| 604 | 1326 movf win_width+0,W ; 16 bits PROD - width --> PROD |
| 582 | 1327 subwf PRODL,F ; PRODL - WREG --> PRODL |
| 1328 movf win_width+1,W | |
| 1329 subwfb PRODH,F | |
| 623 | 1330 INCI PROD ; PROD++ |
| 151 | 1331 |
| 604 | 1332 Index_out 0x52 ; window vertical end address |
| 582 | 1333 rcall TFT_DataWrite_PROD |
| 151 | 1334 |
| 634 | 1335 TFT_box_common_H: |
| 582 | 1336 btfss flip_screen ; 180° rotation ? |
| 634 | 1337 bra TFT_box_no_flip_V ; NO |
| 1338 ;bra TFT_box_do_flip_V ; YES | |
| 151 | 1339 |
| 582 | 1340 ;---- Flipped vertical window ----------------------------------------- |
| 634 | 1341 TFT_box_do_flip_V: |
| 623 | 1342 ; calculate new coordinate |
| 582 | 1343 movff win_top,PRODH ; top --> PRODH (first byte) |
| 1344 movf win_height,W | |
| 1345 addwf PRODH,W | |
| 432 | 1346 decf WREG |
| 604 | 1347 movwf PRODL ; top + height - 1 --> PRODL (second byte) |
| 151 | 1348 |
| 604 | 1349 Index_out 0x50 ; window horizontal start address |
| 432 | 1350 movf PRODH,W |
| 604 | 1351 rcall TFT_DataWrite ; lower (and tick) |
| 151 | 1352 |
| 604 | 1353 Index_out 0x51 ; window horizontal end address |
| 582 | 1354 movf PRODL,W |
| 604 | 1355 rcall TFT_DataWrite ; lower (and tick) |
| 582 | 1356 |
| 604 | 1357 Index_out 0x20 ; frame memory horizontal address |
| 432 | 1358 movf PRODH,W |
| 604 | 1359 bra TFT_DataWrite ; lower (and tick) and return |
| 151 | 1360 |
| 582 | 1361 ;---- Normal vertical window ---------------------------------------- |
| 634 | 1362 TFT_box_no_flip_V: |
| 582 | 1363 movff win_top,PRODL |
| 1364 movf win_height,W | |
| 1365 addwf PRODL,W | |
| 1366 sublw .240 ; 240 - top - height | |
| 604 | 1367 movwf PRODH ; first byte |
| 0 | 1368 |
| 432 | 1369 movf PRODL,W |
| 604 | 1370 sublw .239 ; 239 - top |
| 1371 movwf PRODL ; --> second byte | |
| 0 | 1372 |
| 604 | 1373 Index_out 0x50 ; window horizontal start address |
| 432 | 1374 movf PRODH,W |
| 604 | 1375 rcall TFT_DataWrite ; lower (and tick) |
| 0 | 1376 |
| 604 | 1377 Index_out 0x51 ; window horizontal end address |
| 432 | 1378 movf PRODL,W |
| 604 | 1379 rcall TFT_DataWrite ; lower (and tick) |
| 0 | 1380 |
| 604 | 1381 Index_out 0x20 ; frame memory horizontal address |
| 432 | 1382 movf PRODL,W |
| 604 | 1383 bra TFT_DataWrite ; lower (and tick) and return |
| 582 | 1384 |
| 608 | 1385 |
| 623 | 1386 TFT_box_write_display2: |
| 631 | 1387 ; setup left border |
| 623 | 1388 movlw 0x06 |
| 1389 rcall TFT_CmdWrite | |
| 1390 movf PRODH,W | |
| 1391 rcall TFT_DataWrite | |
| 1392 movlw 0x07 | |
| 1393 rcall TFT_CmdWrite | |
| 1394 movf PRODL,W | |
| 1395 rcall TFT_DataWrite | |
| 608 | 1396 |
| 623 | 1397 movf win_width+0,W ; right = left + width - 1 |
| 1398 addwf PRODL,F | |
| 1399 movf win_width+1,W | |
| 1400 addwfc PRODH,F | |
| 631 | 1401 decf PRODL,F ; decrement result |
| 623 | 1402 btfss STATUS,C |
| 631 | 1403 decf PRODH,F |
| 608 | 1404 |
| 631 | 1405 ; setup right border |
| 623 | 1406 movlw 0x08 |
| 1407 rcall TFT_CmdWrite | |
| 1408 movf PRODH,W | |
| 1409 rcall TFT_DataWrite | |
| 1410 movlw 0x09 | |
| 1411 rcall TFT_CmdWrite | |
| 1412 movf PRODL,W | |
| 1413 rcall TFT_DataWrite | |
| 1414 | |
| 1415 ;---- Normal vertical window ----------------------------------------- | |
| 1416 ; Output (top) (bottom) | |
| 1417 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1418 movf win_height,W | |
| 1419 addwf PRODH,W | |
| 1420 decf WREG | |
| 1421 movwf PRODL ; top+height-1 --> PRODL (second byte) | |
| 608 | 1422 |
| 623 | 1423 movlw 0x02 |
| 1424 rcall TFT_CmdWrite | |
| 1425 movlw 0x00 | |
| 1426 rcall TFT_DataWrite | |
| 1427 movlw 0x03 | |
| 1428 rcall TFT_CmdWrite | |
| 1429 movf PRODH,W | |
| 1430 rcall TFT_DataWrite | |
| 608 | 1431 |
| 623 | 1432 movlw 0x04 |
| 1433 rcall TFT_CmdWrite | |
| 1434 movlw 0x00 | |
| 1435 rcall TFT_DataWrite | |
| 1436 movlw 0x05 | |
| 1437 rcall TFT_CmdWrite | |
| 1438 movf PRODL,W | |
| 1439 bra TFT_DataWrite ; ... and return | |
| 0 | 1440 |
| 628 | 1441 TFT_box_write_display3: |
| 1442 ;---- Normal horizontal window --------------------------------------- | |
| 1443 ; Output 0x35 left, | |
| 631 | 1444 ; 0x36 right == left + width - 1. |
| 628 | 1445 |
| 1446 Index_out 0x35 ; window vertical start address | |
| 1447 rcall TFT_DataWrite_PROD ; output left | |
| 1448 Index_out 0x21 ; also the horizontal first pix coordinate | |
| 1449 rcall TFT_DataWrite_PROD ; output left | |
| 1450 | |
| 631 | 1451 movf win_width+0,W ; right = left + width - 1 |
| 628 | 1452 addwf PRODL,F |
| 631 | 1453 movf win_width+1,W |
| 628 | 1454 addwfc PRODH,F |
| 631 | 1455 decf PRODL,F ; decrement result |
| 634 | 1456 btfss STATUS,C |
| 631 | 1457 decf PRODH,F |
| 628 | 1458 |
| 631 | 1459 Index_out 0x36 ; write and the right border |
| 628 | 1460 rcall TFT_DataWrite_PROD |
| 1461 | |
| 1462 ;---- Normal vertical window ----------------------------------------- | |
| 1463 ; Output 0x37 (top) (bottom) | |
| 1464 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1465 movff win_height,WREG | |
| 1466 addwf PRODH,W | |
| 1467 decf WREG | |
| 1468 movwf PRODL ; top + height - 1 --> PRODL (second byte) | |
| 1469 | |
| 1470 Index_out 0x37 | |
| 1471 rcall TFT_DataWrite_PROD | |
| 1472 | |
| 1473 movff PRODH,PRODL | |
| 1474 clrf PRODH ; start pixel V coord == top. | |
| 1475 Index_out 0x20 | |
| 1476 bra TFT_DataWrite_PROD ; and return... | |
| 1477 | |
| 654 | 1478 TFT_box_write_display4: |
| 1479 movlw 0x2B | |
| 1480 rcall TFT_CmdWrite | |
| 1481 movf PRODH,W | |
| 1482 rcall TFT_DataWrite | |
| 1483 movf PRODL,W | |
| 1484 rcall TFT_DataWrite | |
| 1485 | |
| 1486 movf win_width+0,W ; right = left + width - 1 | |
| 1487 addwf PRODL,F | |
| 1488 movf win_width+1,W | |
| 1489 addwfc PRODH,F | |
| 1490 decf PRODL,F ; decrement result | |
| 1491 btfss STATUS,C | |
| 1492 decf PRODH,F | |
| 1493 | |
| 1494 ; setup right border | |
| 1495 movf PRODH,W | |
| 1496 rcall TFT_DataWrite | |
| 1497 movf PRODL,W | |
| 1498 rcall TFT_DataWrite | |
| 1499 | |
| 1500 ;---- Normal vertical window ----------------------------------------- | |
| 1501 ; Output (top) (bottom) | |
| 1502 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1503 movf win_height,W | |
| 1504 addwf PRODH,W | |
| 1505 decf WREG | |
| 1506 movwf PRODL ; top+height-1 --> PRODL (second byte) | |
| 1507 | |
| 1508 movlw 0x2A | |
| 1509 rcall TFT_CmdWrite | |
| 1510 movlw 0x00 | |
| 1511 rcall TFT_DataWrite | |
| 1512 movf PRODH,W | |
| 1513 rcall TFT_DataWrite | |
| 1514 | |
| 1515 ; setup bottom border | |
| 1516 movlw 0x00 | |
| 1517 rcall TFT_DataWrite | |
| 1518 movf PRODL,W | |
| 1519 bra TFT_DataWrite ; ... and return | |
| 1520 | |
| 628 | 1521 |
| 634 | 1522 ;----------------------------------------------------------------------------- |
| 604 | 1523 ; TFT_frame : draw a frame around current box with current color |
| 0 | 1524 ; Inputs: win_top, win_leftx2, win_height, win_width, win_color1, win_color2 |
| 1525 ; Outputs: (none) | |
| 1526 ; Trashed: WREG, PROD, aa_start:2, aa_end:2 | |
| 634 | 1527 ; |
| 582 | 1528 global TFT_frame |
| 1529 TFT_frame: | |
| 623 | 1530 movff win_top,tft_save_top ; backup everything |
| 1531 movff win_height,tft_save_height | |
| 1532 movff win_leftx2,tft_save_left | |
| 631 | 1533 movff win_width+0,tft_save_width |
| 0 | 1534 |
| 582 | 1535 ;---- TOP line ----------------------------------------------------------- |
| 623 | 1536 movlw .1 ; row ~ height = 1 |
| 582 | 1537 movwf win_height |
| 1538 rcall TFT_box | |
| 0 | 1539 |
| 582 | 1540 ;---- BOTTOM line -------------------------------------------------------- |
| 623 | 1541 movff tft_save_top,PRODL ; get back top |
| 1542 movff tft_save_height,WREG ; get back height | |
| 1543 addwf PRODL,W ; top + height | |
| 1544 decf WREG ; top + height - 1 | |
| 1545 movwf win_top ; top + height - 1 --> top | |
| 582 | 1546 rcall TFT_box |
| 0 | 1547 |
| 582 | 1548 ;---- LEFT column -------------------------------------------------------- |
| 623 | 1549 movff tft_save_top,win_top ; restore top/height |
| 1550 movff tft_save_height,win_height | |
| 1551 movlw .1 ; column ~ width = 1 | |
| 582 | 1552 movwf win_width+0 |
| 1553 rcall TFT_box | |
| 1554 | |
| 1555 ;---- RIGHT column ------------------------------------------------------- | |
| 623 | 1556 movff tft_save_left,WREG |
| 1557 movff tft_save_width,PRODL | |
| 582 | 1558 addwf PRODL,W |
| 1559 decf WREG | |
| 1560 movwf win_leftx2 | |
| 1561 rcall TFT_box | |
| 1562 | |
| 1563 ;---- Restore everything ------------------------------------------------- | |
| 623 | 1564 movff tft_save_left,win_leftx2 |
| 631 | 1565 movff tft_save_width,win_width+0 |
| 582 | 1566 return |
| 0 | 1567 |
| 634 | 1568 ;----------------------------------------------------------------------------- |
| 604 | 1569 ; TFT_box: fills current box with current color |
| 1570 ; Inputs : win_top, win_leftx2, win_height, win_width, win_color1, win_color2 | |
| 0 | 1571 ; Outputs: (none) |
| 1572 ; Trashed: WREG, PROD | |
| 634 | 1573 ; |
| 582 | 1574 global TFT_box |
| 0 | 1575 TFT_box: |
| 582 | 1576 ;---- Define Window ------------------------------------------------------ |
| 1577 bcf STATUS,C | |
| 1578 rlcf win_width+0,F | |
| 1579 rlcf win_width+1,F ; x2 | |
| 604 | 1580 rcall TFT_box_write ; setup box |
| 0 | 1581 |
| 582 | 1582 bcf STATUS,C |
| 1583 rrcf win_width+1,F ; width /= 2 | |
| 1584 rrcf win_width+0,F | |
| 0 | 1585 |
| 582 | 1586 ;---- Fill Window -------------------------------------------------------- |
| 654 | 1587 movlw 0x22 ; frame memory data write start |
| 1588 btfsc screen_type4 | |
| 1589 movlw 0x2C ; Start Writing Data to GRAM (Display 4) | |
| 1590 rcall TFT_CmdWrite | |
| 1591 | |
| 604 | 1592 clrf PRODH ; column counter |
| 1593 RS_H ; data | |
| 0 | 1594 |
| 654 | 1595 btfsc screen_type4 ; display type 4 ? |
| 1596 bra TFT_box_display4 ; YES | |
| 1597 btfsc screen_type3 ; display type 3 ? | |
| 1598 bra TFT_box_display3 ; YES | |
| 628 | 1599 btfsc screen_type2 ; display type 2 ? |
| 1600 bra TFT_box_display2 ; YES | |
| 1601 | |
| 604 | 1602 TFT_box2: ; loop height times |
| 0 | 1603 movff win_height,PRODL |
| 1604 | |
| 582 | 1605 TFT_box3: ; loop width times |
| 623 | 1606 bcf INTCON,GIE |
| 604 | 1607 movff win_color1,PORTA ; upper |
| 648 | 1608 btfsc less_io_cpu ; less I/O CPU? |
| 1609 bra TFT_box3_less_io ; YES | |
| 604 | 1610 movff win_color2,PORTH ; lower |
| 634 | 1611 WR_L ; tick |
| 1612 WR_H ; ... | |
| 1613 WR_L ; tick | |
| 1614 WR_H ; ... | |
| 582 | 1615 bsf INTCON,GIE |
| 1616 decfsz PRODL,F ; row loop finished ? | |
| 604 | 1617 bra TFT_box3 ; NO - continue |
| 0 | 1618 |
| 582 | 1619 incf PRODH,F ; column count ++ |
| 628 | 1620 movf win_bargraph,W ; get width of active bargraph part |
| 1621 cpfseq PRODH ; current column == end of active bargraph ? | |
| 604 | 1622 bra TFT_box4 ; NO - just loop |
| 628 | 1623 clrf win_color1 ; YES - switch to black |
| 604 | 1624 clrf win_color2 ; - ... |
| 0 | 1625 TFT_box4: |
| 628 | 1626 movf win_width+0,W ; get total bargraph width |
| 1627 xorwf PRODH,W ; all columns done? | |
| 1628 bnz TFT_box2 ; NO - loop | |
| 0 | 1629 |
| 582 | 1630 movlw 0x00 ; NOP, to stop window mode |
| 1631 rcall TFT_CmdWrite | |
| 0 | 1632 |
| 604 | 1633 ; reset bargraph mode... |
| 582 | 1634 setf win_bargraph |
| 1635 return | |
| 623 | 1636 |
| 648 | 1637 TFT_box3_less_io: |
| 1638 WR_L ; tick | |
| 1639 WR_H ; ... | |
| 1640 movff win_color2,PORTA ; lower | |
| 1641 WR_L ; tick | |
| 1642 WR_H ; ... | |
| 1643 movff win_color1,PORTA ; upper | |
| 1644 WR_L ; tick | |
| 1645 WR_H ; ... | |
| 1646 movff win_color2,PORTA ; lower | |
| 1647 WR_L ; tick | |
| 1648 WR_H ; ... | |
| 1649 bsf INTCON,GIE | |
| 1650 decfsz PRODL,F ; row loop finished ? | |
| 1651 bra TFT_box3 ; NO - continue | |
| 1652 | |
| 1653 incf PRODH,F ; column count ++ | |
| 1654 movf win_bargraph,W ; get width of active bargraph part | |
| 1655 cpfseq PRODH ; current column == end of active bargraph ? | |
| 1656 bra TFT_box4 ; NO - just loop | |
| 1657 clrf win_color1 ; YES - switch to black | |
| 1658 clrf win_color2 ; - ... | |
| 1659 bra TFT_box4 ; NO - just loop | |
| 1660 | |
| 608 | 1661 TFT_box_display2: |
| 628 | 1662 ; Screen 2 |
| 608 | 1663 movff win_color1,PRODH |
| 1664 movff win_color2,PRODL | |
| 1665 rcall convert_for_display2 | |
| 631 | 1666 clrf PRODH ; column counter |
| 623 | 1667 TFT_box2_display2: ; loop height times |
| 608 | 1668 movff win_height,PRODL |
| 623 | 1669 TFT_box3_display2: ; loop width times |
| 608 | 1670 movff win_color5,PORTH |
| 623 | 1671 bcf tft_nwr |
| 1672 bsf tft_nwr ; upper | |
| 608 | 1673 movff win_color4,PORTH |
| 1674 bcf tft_nwr | |
| 623 | 1675 bsf tft_nwr ; high |
| 608 | 1676 movff win_color3,PORTH |
| 1677 bcf tft_nwr | |
| 623 | 1678 bsf tft_nwr ; low |
| 608 | 1679 |
| 1680 movff win_color5,PORTH | |
| 1681 bcf tft_nwr | |
| 623 | 1682 bsf tft_nwr ; upper |
| 608 | 1683 movff win_color4,PORTH |
| 1684 bcf tft_nwr | |
| 623 | 1685 bsf tft_nwr ; high |
| 608 | 1686 movff win_color3,PORTH |
| 1687 bcf tft_nwr | |
| 623 | 1688 bsf tft_nwr ; low |
| 1689 decfsz PRODL,F ; row loop finished? | |
| 1690 bra TFT_box3_display2 ; NO - loop | |
| 1691 incf PRODH,F ; YES - column count ++ | |
| 1692 movf win_bargraph,W ; - get bargraph width | |
| 1693 cpfseq PRODH ; - current column = bargraph ? | |
| 1694 bra TFT_box4_display2 ; NO | |
| 1695 clrf win_color5 ; YES - switch to black | |
| 1696 clrf win_color4 ; - ... | |
| 1697 clrf win_color3 ; - ... | |
| 608 | 1698 TFT_box4_display2: |
| 623 | 1699 movf win_width+0,W ; get width |
| 1700 cpfseq PRODH ; width loop finished ? | |
| 1701 bra TFT_box2_display2 ; NO - loop | |
| 1702 setf win_bargraph ; YES - reset bargraph mode | |
| 1703 return ; - done | |
| 0 | 1704 |
| 628 | 1705 TFT_box_display3: |
| 1706 ; Screen 3 | |
| 1707 TFT_box2_display3: ; loop height times | |
| 1708 movff win_height,PRODL | |
| 1709 TFT_box3_display3: ; loop width times | |
| 1710 movff win_color1,PORTH | |
| 1711 bcf tft_nwr | |
| 1712 bsf tft_nwr ; upper | |
| 1713 movff win_color2,PORTH | |
| 1714 bcf tft_nwr | |
| 1715 bsf tft_nwr ; high | |
| 1716 movff win_color1,PORTH | |
| 1717 bcf tft_nwr | |
| 1718 bsf tft_nwr ; low | |
| 1719 movff win_color2,PORTH | |
| 1720 bcf tft_nwr | |
| 1721 bsf tft_nwr ; upper | |
| 1722 decfsz PRODL,F ; row loop finished? | |
| 1723 bra TFT_box3_display3 ; NO - loop | |
| 1724 incf PRODH,F ; YES - column count ++ | |
| 1725 movf win_bargraph,W ; - get bargraph width | |
| 1726 cpfseq PRODH ; - current column = bargraph ? | |
| 1727 bra TFT_box4_display3 ; NO | |
| 1728 clrf win_color1 ; Yes - switch to black | |
| 1729 clrf win_color2 ; - ... | |
| 1730 TFT_box4_display3: | |
| 1731 movf win_width+0,W ; get width | |
| 1732 cpfseq PRODH ; width loop finished ? | |
| 1733 bra TFT_box2_display3 ; NO - loop | |
| 1734 setf win_bargraph ; YES - reset bargraph mode | |
| 1735 return | |
| 1736 | |
| 654 | 1737 TFT_box_display4: |
| 1738 ; Screen 4 | |
| 1739 clrf PRODH ; column counter | |
| 1740 TFT_box2_display4: ; loop height times | |
| 1741 movff win_height,PRODL | |
| 1742 TFT_box3_display4: ; loop width times | |
| 1743 movff win_color1,PORTA | |
| 1744 movff win_color2,PORTH | |
| 1745 WR_L ; tick | |
| 1746 WR_H ; ... | |
| 1747 WR_L ; tick | |
| 1748 WR_H ; ... | |
| 1749 decfsz PRODL,F ; row loop finished? | |
| 1750 bra TFT_box3_display4 ; NO - loop | |
| 1751 incf PRODH,F ; YES - column count ++ | |
| 1752 movf win_bargraph,W ; - get bargraph width | |
| 1753 cpfseq PRODH ; - current column = bargraph ? | |
| 1754 bra TFT_box4_display4 ; NO | |
| 1755 clrf win_color1 ; Yes - switch to black | |
| 1756 clrf win_color2 ; - ... | |
| 1757 TFT_box4_display4: | |
| 1758 movf win_width+0,W ; get width | |
| 1759 cpfseq PRODH ; width loop finished ? | |
| 1760 bra TFT_box2_display4 ; NO - loop | |
| 1761 setf win_bargraph ; YES - reset bargraph mode | |
| 1762 return ; - done | |
| 0 | 1763 |
| 634 | 1764 ;----------------------------------------------------------------------------- |
| 1765 ; Convert 8 bit RGB b'RRRGGGBB' into 16 bit RGB b'RRRRRGGGGGGBBBBB' | |
| 1766 ; WREG win_color1 win_color2 | |
| 582 | 1767 global TFT_set_color |
| 0 | 1768 TFT_set_color: |
| 631 | 1769 movwf tft_temp1 ; get 8 bit RGB b'RRRGGGBB' into tft_temp1... |
| 634 | 1770 movwf tft_temp2 ; ... and tft_temp2 |
| 0 | 1771 |
| 604 | 1772 ; mask bit 7,6,5,4,3,2 |
| 0 | 1773 movlw b'00000011' |
| 1774 andwf tft_temp2,F | |
| 1775 | |
| 1776 movlw b'00000000' | |
| 1777 dcfsnz tft_temp2,F | |
| 1778 movlw b'01010000' | |
| 1779 dcfsnz tft_temp2,F | |
| 1780 movlw b'10100000' | |
| 1781 dcfsnz tft_temp2,F | |
| 1782 movlw b'11111000' | |
| 604 | 1783 movwf tft_temp3 ; blue done |
| 0 | 1784 |
| 604 | 1785 movff tft_temp1,tft_temp2 ; copy |
| 1786 ; mask bit 7,6,5,1,0 | |
| 0 | 1787 movlw b'00011100' |
| 1788 andwf tft_temp2,F | |
| 1789 rrncf tft_temp2,F | |
| 1790 rrncf tft_temp2,F | |
| 1791 | |
| 1792 movlw b'00000000' | |
| 1793 dcfsnz tft_temp2,F | |
| 1794 movlw b'00000100' | |
| 1795 dcfsnz tft_temp2,F | |
| 1796 movlw b'00001000' | |
| 1797 dcfsnz tft_temp2,F | |
| 1798 movlw b'00001100' | |
| 1799 dcfsnz tft_temp2,F | |
| 1800 movlw b'00010000' | |
| 1801 dcfsnz tft_temp2,F | |
| 1802 movlw b'00010100' | |
| 1803 dcfsnz tft_temp2,F | |
| 1804 movlw b'00100000' | |
| 1805 dcfsnz tft_temp2,F | |
| 1806 movlw b'00111111' | |
| 582 | 1807 movwf tft_temp4 |
| 0 | 1808 |
| 1809 rrcf tft_temp4,F | |
| 1810 rrcf tft_temp3,F | |
| 1811 | |
| 1812 rrcf tft_temp4,F | |
| 1813 rrcf tft_temp3,F | |
| 1814 | |
| 1815 rrcf tft_temp4,F | |
| 604 | 1816 rrcf tft_temp3,W ; tft_temp3 (b'GGGBBBBB') done |
| 1817 movwf win_color2 ; set color registers... | |
| 0 | 1818 |
| 604 | 1819 movff tft_temp1,tft_temp2 ; copy |
| 0 | 1820 clrf tft_temp1 |
| 1821 | |
| 1822 rrcf tft_temp4,F | |
| 1823 rrcf tft_temp1,F | |
| 1824 | |
| 1825 rrcf tft_temp4,F | |
| 1826 rrcf tft_temp1,F | |
| 1827 | |
| 1828 rrcf tft_temp4,F | |
| 604 | 1829 rrcf tft_temp1,F ; green done |
| 0 | 1830 |
| 604 | 1831 ; mask bit 4,3,2,1,0 |
| 0 | 1832 movlw b'11100000' |
| 1833 andwf tft_temp2,F | |
| 1834 | |
| 1835 rrncf tft_temp2,F | |
| 1836 rrncf tft_temp2,F | |
| 1837 rrncf tft_temp2,F | |
| 1838 rrncf tft_temp2,F | |
| 1839 rrncf tft_temp2,F | |
| 1840 | |
| 1841 movlw b'00000000' | |
| 1842 dcfsnz tft_temp2,F | |
| 1843 movlw b'00000100' | |
| 1844 dcfsnz tft_temp2,F | |
| 1845 movlw b'00001000' | |
| 1846 dcfsnz tft_temp2,F | |
| 1847 movlw b'00001100' | |
| 1848 dcfsnz tft_temp2,F | |
| 1849 movlw b'00010000' | |
| 1850 dcfsnz tft_temp2,F | |
| 1851 movlw b'00010100' | |
| 1852 dcfsnz tft_temp2,F | |
| 1853 movlw b'00100000' | |
| 1854 dcfsnz tft_temp2,F | |
| 1855 movlw b'00111111' | |
| 582 | 1856 movwf tft_temp4 |
| 0 | 1857 |
| 1858 rrcf tft_temp4,F | |
| 1859 rrcf tft_temp1,F | |
| 1860 | |
| 1861 rrcf tft_temp4,F | |
| 604 | 1862 rrcf tft_temp1,F |
| 0 | 1863 |
| 1864 rrcf tft_temp4,F | |
| 1865 rrcf tft_temp1,F | |
| 1866 | |
| 1867 rrcf tft_temp4,F | |
| 1868 rrcf tft_temp1,F | |
| 1869 | |
| 1870 rrcf tft_temp4,F | |
| 604 | 1871 rrcf tft_temp1,W ; red done |
| 648 | 1872 ; tft_temp1 (b'RRRRRGGG') done |
| 1873 movwf win_color1 ; set color registers... | |
| 0 | 1874 return |
| 623 | 1875 |
| 1876 | |
| 608 | 1877 global convert_for_display2 |
| 623 | 1878 convert_for_display2: ; convert 16 bit RGB b'RRRRRGGG GGGBBBBB' into 24 bit RGB b'RRRRRR00 GGGGGG00 BBBBBB00' |
| 1879 ; PRODH PRODL win_color5 win_color4 win_color3 | |
| 1880 ; Red | |
| 1881 movff PRODH,win_color5 ; = RRRRRGGG | |
| 1882 bcf win_color5,2 ; = RRRRR0GG | |
| 1883 btfsc win_color5,7 | |
| 1884 bsf win_color5,2 ; = RRRRR1GG the lower two bits are ignored by the screen | |
| 1885 ; Blue | |
| 1886 movff PRODL,win_color3 | |
| 1887 rrcf win_color3,F ; = UGGGBBBB and the LSB-blue into carry | |
| 1888 swapf win_color3,F ; = BBBBUGGG | |
| 1889 bcf win_color3,3 ; = BBBB0GGG | |
| 608 | 1890 btfsc STATUS,C |
| 623 | 1891 bsf win_color3,3 ; = BBBB1GGG |
| 1892 bcf win_color3,2 ; = BBBBB0GG | |
| 1893 btfsc win_color3,7 | |
| 1894 bsf win_color3,2 ; = BBBBB1GG | |
| 1895 ; Green | |
| 1896 rrcf PRODH,F | |
| 1897 rrcf PRODL,F | |
| 1898 rrcf PRODH,F | |
| 1899 rrcf PRODL,F | |
| 1900 rrcf PRODH,F | |
| 1901 rrcf PRODL,F ; = GGGGGGBB the lower two bits are ignored by the screen | |
| 1902 movff PRODL,win_color4 | |
| 608 | 1903 return |
| 623 | 1904 |
| 0 | 1905 |
| 634 | 1906 ;----------------------------------------------------------------------------- |
| 0 | 1907 |
| 604 | 1908 IFDEF _screendump |
| 1909 | |
| 623 | 1910 ;----------------------------------------------------------------------------- |
| 1911 ; Dump screen contents to the UART | |
| 1912 ; | |
| 604 | 1913 global TFT_dump_screen_check |
| 1914 TFT_dump_screen_check: | |
| 1915 btfss vusb_in ; USB (still) plugged in? | |
| 623 | 1916 bcf screen_dump_avail ; NO - disable screen dump function |
| 631 | 1917 |
| 1918 SERIAL_CC_RECEIVE WREG ; try to read a byte from RS232 | |
| 623 | 1919 btfsc rs232_rx_timeout ; anything received? |
| 631 | 1920 return ; NO - done |
| 1921 xorlw "l" ; YES - exclusive-or with coding of screen dump command | |
| 1922 tstfsz WREG ; - screen dump command received? | |
| 604 | 1923 return ; NO - return |
| 631 | 1924 ;bra TFT_dump_screen ; YES - serve screen dump request |
| 623 | 1925 |
| 631 | 1926 global TFT_dump_screen |
| 623 | 1927 TFT_dump_screen: |
| 1928 btfsc screen_type2 ; is this an OSTC with a screen of type 2? | |
| 631 | 1929 return ; YES - not supported, abort |
| 623 | 1930 bsf block_sensor_interrupt ; NO - disable sensor interrupts |
| 631 | 1931 SERIAL_LC_SEND 'l' ; - send command acknowledge |
| 1932 | |
| 604 | 1933 |
| 582 | 1934 ;---- Send DISPLAY box command for the full screen window ------------------- |
| 604 | 1935 Index_out 0x50 ; window horizontal start address |
| 582 | 1936 Parameter_out 0x00, 0x00 ; 0-239 |
| 604 | 1937 Index_out 0x51 ; window horizontal end address |
| 582 | 1938 Parameter_out 0x00, 0xEF ; 0-239 |
| 604 | 1939 Index_out 0x52 ; window vertical start address |
| 582 | 1940 Parameter_out 0x00, 0x00 ; 0-319 |
| 604 | 1941 Index_out 0x53 ; window vertical end address |
| 582 | 1942 Parameter_out 0x01, 0x3F ; 0-319 |
| 0 | 1943 |
| 582 | 1944 clrf ds_column |
| 1945 rcall dump_screen_pixel_reset | |
| 0 | 1946 dump_screen_1: |
| 582 | 1947 btg LEDr ; LED activity toggle |
| 631 | 1948 ; dump even column |
| 604 | 1949 movlw .240 ; 240 lines, once |
| 582 | 1950 movwf ds_line |
| 0 | 1951 dump_screen_2: |
| 604 | 1952 Index_out 0x20 ; frame memory horizontal address |
| 582 | 1953 movff ds_line,WREG ; d'0' ... d'239' |
| 604 | 1954 mullw .1 ; copy row to PRODH:L |
| 582 | 1955 rcall TFT_DataWrite_PROD |
| 0 | 1956 |
| 623 | 1957 movff ds_column,WREG ; initialize X position |
| 1958 mullw .2 ; ds_column x 2 -> PRODH:PRODL | |
| 604 | 1959 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 0 | 1960 |
| 582 | 1961 rcall TFT_DataRead_PROD ; read pixel |
| 1962 rcall dump_screen_pixel | |
| 0 | 1963 |
| 582 | 1964 decfsz ds_line,F |
| 1965 bra dump_screen_2 | |
| 1966 rcall dump_screen_pixel_flush | |
| 0 | 1967 |
| 631 | 1968 ; dump odd column |
| 604 | 1969 movlw .240 ; 240 lines, twice |
| 582 | 1970 movwf ds_line |
| 0 | 1971 dump_screen_3: |
| 604 | 1972 Index_out 0x20 ; frame memory horizontal address |
| 582 | 1973 movff ds_line,WREG ; d'0' ... d'239' |
| 623 | 1974 mullw .1 ; copy row to PRODH:L |
| 582 | 1975 rcall TFT_DataWrite_PROD |
| 0 | 1976 |
| 623 | 1977 movff ds_column,WREG ; initialize X position |
| 1978 mullw .2 ; ds_column x 2 -> PRODH:PRODL | |
| 1979 INCI PROD ; PROD++ | |
| 604 | 1980 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 0 | 1981 |
| 582 | 1982 rcall TFT_DataRead_PROD ; read pixel |
| 631 | 1983 rcall dump_screen_pixel ; compress and send pixel |
| 0 | 1984 |
| 582 | 1985 decfsz ds_line,F |
| 1986 bra dump_screen_3 | |
| 1987 rcall dump_screen_pixel_flush | |
| 0 | 1988 |
| 582 | 1989 incf ds_column,F |
| 1990 movlw .160 | |
| 1991 cpfseq ds_column | |
| 1992 bra dump_screen_1 | |
| 0 | 1993 |
| 623 | 1994 bcf block_sensor_interrupt ; re-enable sensor interrupts |
| 604 | 1995 clrf RCREG1 ; clear receive buffer |
| 1996 bcf RCSTA1,CREN ; clear receiver status | |
| 631 | 1997 bsf RCSTA1,CREN ; ... |
| 623 | 1998 bsf screen_dump_avail ; enable screen dump function |
| 582 | 1999 return |
| 0 | 2000 |
| 623 | 2001 ;----------------------------------------------------------------------------- |
| 0 | 2002 ; Pixel compression |
| 2003 ; | |
| 604 | 2004 ; Input : PRODH:L = pixel |
| 0 | 2005 ; Output: Compressed stream on output. |
| 2006 ; Compressed format: | |
| 604 | 2007 ; 0ccccccc : BLACK pixel, repeated ccccccc+1 times (1..128) |
| 2008 ; 11cccccc : WHITE pixel, repeated cccccc+1 times (1.. 64) | |
| 2009 ; 10cccccc HIGH LOW : color pixel (H:L) repeated ccccc+1 times (1.. 64) | |
| 623 | 2010 ; |
| 0 | 2011 dump_screen_pixel: |
| 604 | 2012 movf PRODH,W ; compare pixel-high |
| 582 | 2013 xorwf ds_pixel+1,W |
| 604 | 2014 bnz dump_screen_pixel_1 ; different -> dump |
| 0 | 2015 |
| 604 | 2016 movf PRODL,W ; compare pixel-low |
| 582 | 2017 xorwf ds_pixel+0,W |
| 604 | 2018 bnz dump_screen_pixel_1 ; different -> dump |
| 0 | 2019 |
| 604 | 2020 incf ds_count,F ; same color: just increment |
| 582 | 2021 return |
| 0 | 2022 |
| 604 | 2023 dump_screen_pixel_1: ; send (pixel,count) tuple |
| 2024 movf ds_count,W ; is count zero ? | |
| 2025 bz dump_screen_pixel_2 ; YES - skip sending | |
| 0 | 2026 |
| 604 | 2027 movf ds_pixel+1,W ; is this a BLACK pixel ? |
| 582 | 2028 iorwf ds_pixel+0,W |
| 604 | 2029 bz dump_screen_pix_black ; YES |
| 0 | 2030 |
| 604 | 2031 movf ds_pixel+1,W ; is this a white pixel ? |
| 582 | 2032 andwf ds_pixel+0,W |
| 2033 incf WREG | |
| 604 | 2034 bz dump_screen_pix_white ; YES |
| 0 | 2035 |
| 582 | 2036 ; No: write the pixel itself... |
| 604 | 2037 movlw .64 ; max color pixel on a single byte |
| 2038 cpfsgt ds_count ; skip if count > 64 | |
| 582 | 2039 movf ds_count,W ; W <- min(64,count) |
| 2040 subwf ds_count,F ; ds_count <- ds_count-W | |
| 604 | 2041 decf WREG ; save as 0..63 |
| 2042 iorlw b'10000000' ; mark as a color pixel | |
| 0 | 2043 |
| 631 | 2044 SERIAL_CC_SEND WREG ; send byte in WREG |
| 2045 SERIAL_CC_SEND ds_pixel+1 ; send bytes in ds_pixel, high byte first | |
| 2046 SERIAL_CC_SEND ds_pixel+0 ; low byte last | |
| 2047 | |
| 582 | 2048 bra dump_screen_pixel_1 |
| 0 | 2049 |
| 2050 dump_screen_pixel_2: | |
| 604 | 2051 movff PRODH,ds_pixel+1 ; save new pixel color |
| 582 | 2052 movff PRODL,ds_pixel+0 |
| 2053 movlw 1 | |
| 604 | 2054 movwf ds_count ; and set count=1 |
| 582 | 2055 return |
| 0 | 2056 |
| 2057 dump_screen_pix_black: | |
| 604 | 2058 movlw .128 ; max black pixel on a single byte |
| 2059 cpfsgt ds_count ; skip if count > 128 | |
| 582 | 2060 movf ds_count,W ; W <- min(128,count) |
| 2061 subwf ds_count,F ; ds_count <- ds_count-W | |
| 604 | 2062 decf WREG ; save as 0..127 |
| 623 | 2063 |
| 0 | 2064 dump_screen_pix_3: |
| 631 | 2065 SERIAL_CC_SEND WREG ; send byte in WREG |
| 604 | 2066 bra dump_screen_pixel_1 ; more to dump ? |
| 0 | 2067 |
| 2068 dump_screen_pix_white: | |
| 604 | 2069 movlw .64 ; max white pixel on a single byte |
| 2070 cpfsgt ds_count ; skip if count > 64 | |
| 582 | 2071 movf ds_count,W ; W <- min(64,count) |
| 2072 subwf ds_count,F ; ds_count <- ds_count-W | |
| 631 | 2073 decf WREG ; save as 0..63 |
| 604 | 2074 iorlw b'11000000' ; mark as a compressed white |
| 631 | 2075 bra dump_screen_pix_3 ; send pixel |
| 0 | 2076 |
| 2077 dump_screen_pixel_flush: | |
| 582 | 2078 clrf PRODH |
| 2079 clrf PRODL | |
| 604 | 2080 rcall dump_screen_pixel_1 ; send it |
| 0 | 2081 dump_screen_pixel_reset: |
| 604 | 2082 clrf ds_count ; clear count |
| 582 | 2083 return |
| 0 | 2084 |
| 623 | 2085 ENDIF ; _screendump |
| 2086 | |
| 634 | 2087 ;----------------------------------------------------------------------------- |
| 604 | 2088 |
| 582 | 2089 END |