Mercurial > public > hwos_code
annotate src/convert.asm @ 628:cd58f7fc86db
3.05 stable work
| author | heinrichsweikamp |
|---|---|
| date | Thu, 19 Sep 2019 12:01:29 +0200 |
| parents | c40025d8e750 |
| children | 4050675965ea |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 628 | 3 ; File convert.asm combined next generation V3.04.2 |
| 0 | 4 ; |
| 5 ; Converts register values to string | |
| 6 ; | |
| 7 ; Copyright (c) 2011, Matthias Heinrichs, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2007-10-07 : [MH] Creation for OSTC sources | |
| 11 ; 2010-12-10 : [jDG] Optimize macro size | |
| 12 ; | |
| 13 | |
| 582 | 14 #include "hwos.inc" ; Mandatory header |
| 15 | |
| 623 | 16 convert CODE |
| 0 | 17 |
| 18 ;============================================================================= | |
| 19 | |
| 628 | 20 global output99DD_call |
| 21 output99DD_call: | |
| 22 tstfsz lo ; value = 0 ? | |
| 23 bra output99_call ; NO - do normal output | |
| 24 movlw " " ; YES - print a space | |
| 25 movwf POSTINC2 ; - ... | |
| 26 bra output99dd_cont ; - continue with the double dots | |
| 27 | |
| 28 | |
| 29 global output99dd_call | |
| 30 output99dd_call: | |
| 31 tstfsz lo ; value = 0 ? | |
| 32 bra output99_call ; NO - do normal output | |
| 33 output99dd_cont: | |
| 34 movlw "." ; YES - print double dots | |
| 35 movwf POSTINC2 ; - ... | |
| 36 movwf POSTINC2 ; - ... | |
| 37 return ; - done | |
| 38 | |
| 39 | |
| 582 | 40 global output99_call |
| 0 | 41 output99_call: |
| 42 clrf ignore_digits | |
| 43 incf ignore_digits,F | |
| 582 | 44 clrf cvt_temp4 |
| 623 | 45 ;bra output99 |
| 0 | 46 |
| 582 | 47 |
| 48 global output99 | |
| 0 | 49 output99: |
| 50 movlw d'99' | |
| 51 cpfslt lo | |
| 604 | 52 movwf lo ; limit to 99 |
| 623 | 53 movff lo,cvt_temp_lo |
| 54 clrf cvt_temp_hi | |
| 582 | 55 bcf pre_zero_flag ; do not display leading zeros |
| 0 | 56 |
| 582 | 57 LCD_val99_2: |
| 58 movlw .10 ; 10 | |
| 59 movwf cvt_temp2 | |
| 60 clrf cvt_temp3 | |
| 0 | 61 rcall DEC2ASCII |
| 62 | |
| 582 | 63 movlw .1 ; 1 |
| 64 movwf cvt_temp2 | |
| 65 clrf cvt_temp3 | |
| 66 bsf pre_zero_flag ; last figure, display zero (0) | |
| 0 | 67 rcall DEC2ASCII |
| 582 | 68 return |
| 0 | 69 |
| 70 global output99x_call | |
| 71 output99x_call: | |
| 72 clrf ignore_digits | |
| 73 incf ignore_digits,F | |
| 582 | 74 clrf cvt_temp4 |
| 0 | 75 |
| 76 movlw d'99' | |
| 77 cpfslt lo | |
| 604 | 78 movwf lo ; limit to 99 |
| 623 | 79 movff lo,cvt_temp_lo |
| 80 clrf cvt_temp_hi | |
| 582 | 81 bsf pre_zero_flag ; display leading zeros |
| 82 bra LCD_val99_2 | |
| 83 | |
| 84 | |
| 0 | 85 global output8_call |
| 582 | 86 output8_call: |
| 87 clrf ignore_digits | |
| 0 | 88 incf ignore_digits,F |
| 582 | 89 clrf cvt_temp4 |
| 0 | 90 |
| 91 output8: | |
| 623 | 92 movff lo,cvt_temp_lo |
| 93 clrf cvt_temp_hi | |
| 582 | 94 bcf pre_zero_flag ; do not display leading zeros |
| 95 movlw .100 ; 100 | |
| 96 movwf cvt_temp2 | |
| 97 clrf cvt_temp3 | |
| 0 | 98 rcall DEC2ASCII |
| 582 | 99 bra LCD_val99_2 |
| 100 | |
| 0 | 101 |
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102 global output16_4_call |
| 582 | 103 output16_4_call: ; limit to 9999 |
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104 bsf show_last4 |
| 623 | 105 ; 9999 = 27 0F = [39][15] |
| 582 | 106 movlw .40 |
| 107 cpfslt hi ; hi < 40 ? | |
| 623 | 108 bra output16_4_call_2 ; NO - hi >= 40, do limit |
| 109 ; YES - hi <= 39 | |
| 582 | 110 movlw .39 |
| 111 cpfseq hi ; hi = 39 ? | |
| 623 | 112 bra output16_4_call_3 ; NO - hi < 39, no limit needed |
| 113 ; YES - hi = 39 | |
| 582 | 114 movlw .15 |
| 115 cpfslt lo ; lo < 15 | |
| 623 | 116 movwf lo ; NO - lo >= 15, set lo = 15 |
| 117 ; YES - lo <= 14 or lo set to =15 | |
| 118 bra output16_4_call_3 ; - done | |
| 119 | |
| 604 | 120 output16_4_call_2: ; set to 9999 |
| 623 | 121 MOVLI .9999,mpr |
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122 output16_4_call_3: |
| 582 | 123 bra output16_call |
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124 |
| 623 | 125 |
| 0 | 126 global output16_3_call |
| 127 global output16_call | |
| 128 global output16 | |
| 582 | 129 output16_3_call: ; limit to 999 |
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BUGFIX: Show dives with >999mins divetime correctly
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130 bsf show_last3 |
| 582 | 131 ; Limit to 3 |
| 132 movlw .4 | |
| 133 cpfslt hi | |
| 623 | 134 bra output16_3_call_2 |
| 582 | 135 movlw .3 |
| 604 | 136 cpfseq hi ; = 3 ? |
| 137 bra output16_3_call_3 ; NO - done | |
| 138 movlw .231 ; limit to 231(+768=999...) | |
| 582 | 139 cpfslt lo |
| 140 movwf lo | |
| 604 | 141 bra output16_3_call_3 ; done |
| 142 output16_3_call_2: ; set to .999 | |
| 623 | 143 MOVLI .999,mpr |
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BUGFIX: Show dives with >999mins divetime correctly
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144 output16_3_call_3: |
| 0 | 145 output16_call: |
| 146 clrf ignore_digits | |
| 147 incf ignore_digits,F | |
| 148 clrf WREG | |
| 149 output16: | |
| 604 | 150 movwf cvt_temp4 ; passed from output16dp macro, cleared by others. |
| 582 | 151 bcf all_zeros_flag ; do not display any zero from here unless there was at least one figure /zero |
| 0 | 152 bsf leading_zeros |
| 604 | 153 tstfsz cvt_temp4 ; display leading zeros at all? |
| 0 | 154 bcf leading_zeros |
| 582 | 155 bsf DP_done2 |
| 156 tstfsz cvt_temp4 | |
| 157 bcf DP_done2 ; decimal point not yet set | |
| 623 | 158 movff lo,cvt_temp_lo ; copy hi:lo to cvt_temp_hi:cvt_temp_lo |
| 159 movff hi,cvt_temp_hi ; ... | |
| 582 | 160 bcf pre_zero_flag ; do not display leading zeros |
| 161 movlw b'00010000' ; 10000s | |
| 162 movwf cvt_temp2 | |
| 0 | 163 movlw b'00100111' |
| 582 | 164 movwf cvt_temp3 |
| 165 btfsc show_last3 ; display only last three figures? | |
| 166 bra output16_sk5 | |
| 167 btfsc show_last4 ; display only last four figures? | |
| 168 bra output16_sk5 | |
| 604 | 169 rcall DEC2ASCII ; NO - show all, here: 5th order digit |
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parents:
275
diff
changeset
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170 |
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parents:
275
diff
changeset
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171 output16_sk5: |
| 582 | 172 bcf show_last4 |
| 173 movlw b'11101000' ; 1000s | |
| 174 movwf cvt_temp2 | |
| 0 | 175 movlw b'00000011' |
| 582 | 176 movwf cvt_temp3 |
| 604 | 177 btfsc DP_done2 ; is there a decimal point at all? |
| 178 bra output16_2 ; NO - use normal display mode | |
| 0 | 179 |
| 582 | 180 btfsc all_zeros_flag ; display any zero from here |
| 181 bra output16_1 ; there was a figure /zero already | |
| 0 | 182 |
| 582 | 183 bsf pre_zero_flag ; display figure if zero? |
| 184 decfsz cvt_temp4,W | |
| 604 | 185 bcf pre_zero_flag ; NO |
| 0 | 186 |
| 187 output16_1: | |
| 604 | 188 btfsc DP_done ; decimal point set already? |
| 189 bsf pre_zero_flag ; YES - so display the rest | |
| 0 | 190 output16_2: |
| 582 | 191 btfss show_last3 ; display only last three figures? |
| 604 | 192 rcall DEC2ASCII ; NO - show all. Here: 4th order digit |
| 193 bcf show_last3 ; YES - so display the rest | |
| 582 | 194 movlw b'01100100' ; 100s |
| 195 movwf cvt_temp2 | |
| 196 clrf cvt_temp3 | |
| 604 | 197 btfsc ignore_digit3 ; ignore 3rd-5th digit? |
| 198 bra output16_5 ; YES - skip the rest | |
| 199 btfsc DP_done2 ; is there a decimal point at all? | |
| 200 bra output16_3 ; NO - use normal display mode | |
| 582 | 201 btfsc all_zeros_flag ; display any zero from here |
| 202 bra output16_2_1 ; there was a figure /zero already | |
| 203 bsf pre_zero_flag ; display figure if zero? | |
| 204 decfsz cvt_temp4,W | |
| 604 | 205 bcf pre_zero_flag ; NO |
| 0 | 206 |
| 207 output16_2_1: | |
| 604 | 208 btfsc DP_done ; decimal point set already? |
| 209 bsf pre_zero_flag ; YES - so display the rest | |
| 210 btfsc DP_done2 ; is there a decimal point at all? | |
| 211 bsf pre_zero_flag ; NO - so display the rest | |
| 0 | 212 output16_3: |
| 582 | 213 rcall DEC2ASCII ; 3th order digit... |
| 214 movlw b'00001010' ; 10s | |
| 215 movwf cvt_temp2 | |
| 216 clrf cvt_temp3 | |
| 217 btfsc DP_done2 | |
| 218 bra output16_4 | |
| 219 btfsc all_zeros_flag ; display any zero from here | |
| 220 bra output16_3_1 ; there was a figure /zero already | |
| 0 | 221 bsf pre_zero_flag |
| 582 | 222 decfsz cvt_temp4,W |
| 0 | 223 bcf pre_zero_flag |
| 224 | |
| 225 output16_3_1: | |
| 582 | 226 btfsc DP_done |
| 227 bsf pre_zero_flag | |
| 228 btfsc DP_done2 | |
| 0 | 229 bsf pre_zero_flag |
| 230 output16_4: | |
| 604 | 231 btfsc ignore_digit4 ; ignore 4-5th digit? |
| 232 bra output16_5 ; YES - skip the rest | |
| 582 | 233 rcall DEC2ASCII ; 2nd order digit |
| 0 | 234 |
| 582 | 235 movlw b'00000001' ; 1s |
| 236 movwf cvt_temp2 | |
| 237 clrf cvt_temp3 | |
| 0 | 238 bsf pre_zero_flag |
| 604 | 239 btfss ignore_digit5 ; ignore 5th digit? |
| 582 | 240 rcall DEC2ASCII ; 1st order digit |
| 604 | 241 bcf ignore_digit5 ; YES - clear flag |
| 0 | 242 output16_5: |
| 604 | 243 bcf ignore_digit4 ; clear flag |
| 244 bcf ignore_digit3 ; clear flag | |
| 0 | 245 clrf ignore_digits |
| 246 incf ignore_digits,F | |
| 247 bcf DP_done | |
| 604 | 248 return ; done with convert.asm... |
| 582 | 249 |
| 250 | |
| 251 DEC2ASCII: | |
| 604 | 252 clrf cvt_temp1 ; converts into ASCII code |
| 582 | 253 DEC2ASCII_2: |
| 254 movf cvt_temp3,W | |
| 623 | 255 subwf cvt_temp_hi,W |
| 582 | 256 btfss STATUS,C |
| 257 bra DEC2ASCII_4 | |
| 258 bnz DEC2ASCII_3 | |
| 259 movf cvt_temp2,W | |
| 623 | 260 subwf cvt_temp_lo,W |
| 0 | 261 btfss STATUS,C |
| 262 bra DEC2ASCII_4 | |
| 582 | 263 DEC2ASCII_3: |
| 264 movf cvt_temp3,W | |
| 623 | 265 subwf cvt_temp_hi,F |
| 582 | 266 movf cvt_temp2,W |
| 623 | 267 subwf cvt_temp_lo,F |
| 0 | 268 btfss STATUS,C |
| 623 | 269 decf cvt_temp_hi,F |
| 582 | 270 incf cvt_temp1,F |
| 0 | 271 bsf pre_zero_flag |
| 272 bra DEC2ASCII_2 | |
| 582 | 273 DEC2ASCII_4: |
| 0 | 274 decfsz ignore_digits,F |
| 275 return | |
| 582 | 276 incf ignore_digits,F ; so ignore_digits stays zero for the test above |
| 604 | 277 movlw '0' ; offset for ASCII-value |
| 582 | 278 addwf cvt_temp1,W |
| 279 btfsc pre_zero_flag ; is this a leading zero? | |
| 604 | 280 bra DEC2ASCII_4_1 ; NO |
| 0 | 281 btfsc leftbind |
| 282 bra DEC2ASCII_6 | |
| 582 | 283 movlw ' ' ; instead of leading zeros a space! |
| 0 | 284 bra DEC2ASCII_5 |
| 285 DEC2ASCII_4_1: | |
| 582 | 286 bsf all_zeros_flag ; display any zero from here |
| 287 DEC2ASCII_5: | |
| 0 | 288 movwf POSTINC2 |
| 582 | 289 DEC2ASCII_6: |
| 604 | 290 decfsz cvt_temp4,F ; set decimal point? |
| 291 RETURN ; NO | |
| 292 movlw "." ; YES | |
| 0 | 293 movwf POSTINC2 |
| 294 bsf DP_done | |
| 582 | 295 return |
| 296 | |
| 604 | 297 |
| 298 global outputHEX_call | |
| 299 outputHEX_call: ; coverts 8 Bit integer into two hex digits | |
| 300 movwf cvt_temp1 ; copy byte to process from WREG to local temp | |
| 301 swapf cvt_temp1,F ; swap nibbles to process upper nibble first | |
| 302 rcall outputHEX_nibble ; print nibble as ASCII | |
| 303 swapf cvt_temp1,F ; swap back to process lower nibble | |
| 304 outputHEX_nibble: | |
| 305 movff cvt_temp1,cvt_temp2 ; create a working copy | |
| 306 movlw 0x0F ; mask for lower nibble | |
| 307 andwf cvt_temp2,F ; isolate lower nibble | |
| 308 movlw 0x30 ; offset from binary 0 to ASCII code for "0" | |
| 309 addwf cvt_temp2,F ; add offset | |
| 310 movlw 0x39 ; ASCII code for "9" | |
| 311 cpfsgt cvt_temp2 ; character code in cvt_temp2 pointing to something after "9"? | |
| 312 bra outputHEX_1 ; NO - character code represents "0"..."9", can be printed | |
| 313 movlw 0x07 ; YES - offset from ASCII code for character after "9" to character "A" | |
| 314 addwf cvt_temp2,F ; - add offset, character code now represents "A"..."F", can be printed now | |
| 315 outputHEX_1: | |
| 316 movff cvt_temp2,POSTINC2 ; copy character code to output buffer | |
| 317 return | |
| 318 | |
| 319 | |
| 582 | 320 END |