Mercurial > public > hwos_code
annotate src/strings.asm @ 593:c31e0292bc92
doc update (clarification/correction of max. depth reading header data)
| author | heinrichsweikamp |
|---|---|
| date | Sat, 28 Apr 2018 11:26:08 +0200 |
| parents | b7eb98dbd800 |
| children | ca4556fb60b9 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 560 | 3 ; File strings.asm Version 2.92 = 2.26 |
| 0 | 4 ; |
| 5 ; Implementation code various string functions. | |
| 6 ; | |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2010-12-02 : [jDG] Creation... | |
| 11 ; | |
| 12 ; See strings.inc for doc and public calling macros. | |
| 13 | |
| 275 | 14 #include "hwos.inc" |
| 0 | 15 #include "varargs.inc" |
| 16 | |
| 17 extern aa_wordprocessor | |
| 18 | |
| 19 basic CODE | |
| 20 ;============================================================================= | |
| 21 ; Variants that call word_processor at the end: | |
| 22 global strcpy_block_print | |
| 23 strcpy_block_print: | |
| 24 lfsr FSR2, buffer | |
| 25 global strcat_block_print | |
| 26 strcat_block_print: | |
| 27 clrf PRODL,A | |
| 28 bra strings_common | |
| 29 | |
| 30 ; Variants that do not call word_processor at end: | |
| 31 global strcpy_block | |
| 32 strcpy_block: | |
| 33 lfsr FSR2, buffer | |
| 34 global strcat_block | |
| 35 strcat_block: | |
| 36 setf PRODL,A | |
| 37 | |
| 38 ; Common part: append the string from PROM return address: | |
| 39 strings_common: | |
| 40 VARARGS_BEGIN | |
| 41 | |
| 42 rcall strcat_prom | |
| 43 | |
| 44 VARARGS_ALIGN | |
| 45 VARARGS_END | |
| 46 | |
| 47 btfsc PRODL,0,A ; Should we print afterward ? | |
| 48 return ; NO: then return straight away. | |
| 49 goto aa_wordprocessor ; ELSE: print it... | |
| 50 | |
| 51 ;============================================================================= | |
| 52 ; Copy multi-lingual text from FSR1 12bit pointers, to buffer. | |
| 53 ; | |
| 54 ; Input: FSR1 = 12bit pointer to multi-lingual text. | |
| 55 ; Output: FSR2 points to closing null byte in buffer. | |
| 56 ; Trashed: TBLPTR, TABLAT. | |
| 57 global strcpy_text | |
| 58 strcpy_text: | |
| 59 rcall text_get_tblptr | |
| 60 bra strcpy_prom | |
| 61 | |
| 62 ; Copy then print multi-lingual text from FSR1 12bit pointers, to buffer. | |
| 63 ; | |
| 64 ; Input: FSR1 = 12bit pointer to multi-lingual text. | |
| 65 ; Output: FSR2 points to closing null byte in buffer. | |
| 66 ; Trashed: TBLPTR, TABLAT. | |
| 67 global strcpy_text_print | |
| 68 strcpy_text_print: | |
| 69 rcall text_get_tblptr | |
| 70 bra strcpy_prom_print | |
| 71 | |
| 72 ; Append multi-lingual text from FSR1 12bit pointers, to buffer at FRS2. | |
| 73 ; | |
| 74 ; Input: FSR1 = 12bit pointer to multi-lingual text. | |
| 75 ; FSR2 = Current position in buffer. | |
| 76 ; Output: FSR2 points to closing null byte in buffer. | |
| 77 ; Trashed: TBLPTR, TABLAT. | |
| 78 global strcat_text | |
| 79 strcat_text: | |
| 80 rcall text_get_tblptr | |
| 81 bra strcat_prom | |
| 82 | |
| 83 ; Append then print multi-lingual text from FSR1 12bit pointers, to buffer at FRS2. | |
| 84 ; | |
| 85 ; Input: FSR1 = 12bit pointer to multi-lingual text. | |
| 86 ; FSR2 = Current position in buffer. | |
| 87 ; Output: FSR2 points to closing null byte in buffer. | |
| 88 ; Trashed: TBLPTR, TABLAT. | |
| 89 global strcat_text_print | |
| 90 strcat_text_print: | |
| 91 rcall text_get_tblptr | |
| 92 bra strcat_prom_print | |
| 93 | |
| 94 ;============================================================================= | |
| 95 ; Get pointer to multilingual texl in TBLPTR | |
| 96 ; | |
| 97 ; Input: FSR1 = 12bits of text handle. | |
| 98 ; opt_language = current language. | |
| 99 ; Output: TBLPTR = 24bits of PROM address. | |
| 100 ; | |
| 101 global text_get_tblptr | |
| 102 text_get_tblptr: | |
| 448 | 103 extern text_1_base |
| 560 | 104 movlw UPPER(text_1_base) ; Complete 12bits to 24bits address. |
| 0 | 105 movwf TBLPTRU |
| 448 | 106 movlw HIGH(text_1_base) |
| 0 | 107 andlw 0xF0 |
| 108 iorwf FSR1H,W | |
| 109 movwf TBLPTRH | |
| 110 movff FSR1L,TBLPTRL | |
| 111 | |
| 560 | 112 |
| 113 movff opt_language,WREG ; Get lang | |
| 114 bz text_get_lang1 ; 0 == English | |
| 115 dcfsnz WREG ; 1 == German | |
| 116 bra text_get_lang2 | |
| 448 | 117 ; Other ??? Keep language 1 |
| 0 | 118 |
| 119 ; Read 2-byte pointer to string | |
| 448 | 120 text_get_lang1: |
| 0 | 121 tblrd*+ |
| 122 movff TABLAT,WREG | |
| 123 tblrd*+ | |
| 124 movff WREG,TBLPTRL | |
| 125 movff TABLAT,TBLPTRH | |
| 126 return | |
| 127 | |
| 128 ; Add correction for German table: | |
| 448 | 129 text_get_lang2: |
| 560 | 130 extern text_2_base |
| 131 movlw LOW(text_2_base) | |
| 132 addwf TBLPTRL | |
| 133 movlw HIGH(text_2_base) | |
| 134 addwfc TBLPTRH | |
| 135 movlw UPPER(text_2_base) | |
| 136 addwfc TBLPTRU | |
| 0 | 137 |
| 560 | 138 movlw LOW(text_1_base) |
| 139 subwf TBLPTRL | |
| 140 movlw HIGH(text_1_base) | |
| 141 subwfb TBLPTRH | |
| 142 movlw UPPER(text_1_base) | |
| 143 subwfb TBLPTRU | |
| 144 bra text_get_lang1 | |
| 0 | 145 |
| 146 ;============================================================================= | |
| 147 ; Copy a null-terminated string from TBLPTR to buffer. | |
| 148 ; | |
| 149 ; Input: TBLPTR : string pointer into PROM. | |
| 150 ; Output: string in buffer, FSR2 pointer on the closing null byte. | |
| 151 ; | |
| 152 global strcpy_prom | |
| 153 strcpy_prom: | |
| 154 lfsr FSR2,buffer | |
| 155 | |
| 156 ; Append a null-terminated string from TBLPTR to buffer. | |
| 157 ; | |
| 158 ; Input: TBLPTR : string pointer into PROM. | |
| 159 ; FRS2 : current character position. | |
| 160 ; Output: string in buffer, FSR2 pointer on the closing null byte. | |
| 161 ; | |
| 162 global strcat_prom | |
| 163 strcat_prom: | |
| 164 tblrd*+ | |
| 165 movf TABLAT,W | |
| 166 movwf POSTINC2 | |
| 167 bnz strcat_prom | |
| 168 movf POSTDEC2,W ; rewind one char in string buffer. | |
| 169 return | |
| 170 | |
| 171 ;============================================================================= | |
| 172 ; Variant that calls word processor right-away... | |
| 173 global strcpy_prom_print | |
| 174 global strcat_prom_print | |
| 175 | |
| 176 strcpy_prom_print: | |
| 177 lfsr FSR2,buffer | |
| 178 strcat_prom_print: | |
| 179 rcall strcat_prom | |
| 180 goto aa_wordprocessor | |
| 181 | |
| 182 ;============================================================================= | |
| 183 | |
| 184 global start_tiny_block | |
| 185 start_tiny_block: | |
| 186 clrf WREG | |
| 187 bra start_common | |
| 188 | |
| 189 global start_small_block | |
| 190 start_small_block: | |
| 191 movlw 1 | |
| 192 bra start_common | |
| 193 | |
| 194 global start_std_block | |
| 195 start_std_block: | |
| 196 movlw 2 | |
| 197 bra start_common | |
| 198 | |
| 199 global start_medium_block | |
| 200 start_medium_block: | |
| 201 movlw 3 | |
| 202 bra start_common | |
| 203 | |
| 204 global start_large_block | |
| 205 start_large_block: | |
| 206 movlw 4 | |
|
189
e79bc535ef9e
ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents:
124
diff
changeset
|
207 ; bra start_common |
| 0 | 208 start_common: |
| 560 | 209 movff WREG, win_font ; Need a bank-safe move here ! |
| 0 | 210 VARARGS_BEGIN |
| 211 VARARGS_GET8 win_leftx2 | |
| 212 VARARGS_GET8 win_top | |
| 213 VARARGS_END | |
| 124 | 214 lfsr FSR2,buffer ; point to buffer here |
| 0 | 215 return |
| 216 | |
| 217 END |