Mercurial > public > hwos_code
annotate src/strings.asm @ 383:c64ffeeb86e5
language updates
| author | heinrichsweikamp |
|---|---|
| date | Wed, 30 Sep 2015 15:38:28 +0200 |
| parents | 653a3ab08062 |
| children | aadfe9f2edaf |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 3 ; File strings.asm | |
| 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: | |
| 103 extern text_english_base | |
| 104 movlw UPPER(text_english_base); Complete 12bits to 24bits address. | |
| 105 movwf TBLPTRU | |
| 106 movlw HIGH(text_english_base) | |
| 107 andlw 0xF0 | |
| 108 iorwf FSR1H,W | |
| 109 movwf TBLPTRH | |
| 110 movff FSR1L,TBLPTRL | |
| 111 | |
| 112 movff opt_language,WREG ; Get lang | |
| 113 bz text_get_english ; 0 == English | |
| 114 dcfsnz WREG ; 1 == German | |
| 115 bra text_get_german | |
| 116 dcfsnz WREG ; 2 == French | |
| 117 bra text_get_french | |
| 118 dcfsnz WREG ; 3 == Italian | |
| 119 bra text_get_italian | |
| 120 ; Other ??? Keep english... | |
| 121 | |
| 122 ; Read 2-byte pointer to string | |
| 123 text_get_english: | |
| 124 tblrd*+ | |
| 125 movff TABLAT,WREG | |
| 126 tblrd*+ | |
| 127 movff WREG,TBLPTRL | |
| 128 movff TABLAT,TBLPTRH | |
| 129 return | |
| 130 | |
| 131 ; Add correction for German table: | |
| 132 text_get_german: | |
| 133 extern text_german_base | |
| 134 movlw LOW(text_german_base) | |
| 135 addwf TBLPTRL | |
| 136 movlw HIGH(text_german_base) | |
| 137 addwfc TBLPTRH | |
| 138 movlw UPPER(text_german_base) | |
| 139 addwfc TBLPTRU | |
| 140 | |
| 141 movlw LOW(text_english_base) | |
| 142 subwf TBLPTRL | |
| 143 movlw HIGH(text_english_base) | |
| 144 subwfb TBLPTRH | |
| 145 movlw UPPER(text_english_base) | |
| 146 subwfb TBLPTRU | |
| 147 bra text_get_english | |
| 148 | |
| 149 ; Add correction for French table: | |
| 150 text_get_french: | |
| 151 extern text_french_base | |
| 152 movlw LOW(text_french_base) | |
| 153 addwf TBLPTRL | |
| 154 movlw HIGH(text_french_base) | |
| 155 addwfc TBLPTRH | |
| 156 movlw UPPER(text_french_base) | |
| 157 addwfc TBLPTRU | |
| 158 | |
| 159 movlw LOW(text_english_base) | |
| 160 subwf TBLPTRL | |
| 161 movlw HIGH(text_english_base) | |
| 162 subwfb TBLPTRH | |
| 163 movlw UPPER(text_english_base) | |
| 164 subwfb TBLPTRU | |
| 165 bra text_get_english | |
| 166 | |
|
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|
167 ; Add correction for italian table: |
| 0 | 168 text_get_italian: |
| 169 extern text_italian_base | |
| 170 movlw LOW(text_italian_base) | |
| 171 addwf TBLPTRL | |
| 172 movlw HIGH(text_italian_base) | |
| 173 addwfc TBLPTRH | |
| 174 movlw UPPER(text_italian_base) | |
| 175 addwfc TBLPTRU | |
| 176 | |
| 177 movlw LOW(text_english_base) | |
| 178 subwf TBLPTRL | |
| 179 movlw HIGH(text_english_base) | |
| 180 subwfb TBLPTRH | |
| 181 movlw UPPER(text_english_base) | |
| 182 subwfb TBLPTRU | |
| 183 bra text_get_english | |
| 184 | |
| 185 ;============================================================================= | |
| 186 ; Copy a null-terminated string from TBLPTR to buffer. | |
| 187 ; | |
| 188 ; Input: TBLPTR : string pointer into PROM. | |
| 189 ; Output: string in buffer, FSR2 pointer on the closing null byte. | |
| 190 ; | |
| 191 global strcpy_prom | |
| 192 strcpy_prom: | |
| 193 lfsr FSR2,buffer | |
| 194 | |
| 195 ; Append a null-terminated string from TBLPTR to buffer. | |
| 196 ; | |
| 197 ; Input: TBLPTR : string pointer into PROM. | |
| 198 ; FRS2 : current character position. | |
| 199 ; Output: string in buffer, FSR2 pointer on the closing null byte. | |
| 200 ; | |
| 201 global strcat_prom | |
| 202 strcat_prom: | |
| 203 tblrd*+ | |
| 204 movf TABLAT,W | |
| 205 movwf POSTINC2 | |
| 206 bnz strcat_prom | |
| 207 movf POSTDEC2,W ; rewind one char in string buffer. | |
| 208 return | |
| 209 | |
| 210 ;============================================================================= | |
| 211 ; Variant that calls word processor right-away... | |
| 212 global strcpy_prom_print | |
| 213 global strcat_prom_print | |
| 214 | |
| 215 strcpy_prom_print: | |
| 216 lfsr FSR2,buffer | |
| 217 strcat_prom_print: | |
| 218 rcall strcat_prom | |
| 219 goto aa_wordprocessor | |
| 220 | |
| 221 ;============================================================================= | |
| 222 | |
| 223 global start_tiny_block | |
| 224 start_tiny_block: | |
| 225 clrf WREG | |
| 226 movff WREG, win_font ; Need a bank-safe move here ! | |
| 227 bra start_common | |
| 228 | |
| 229 global start_small_block | |
| 230 start_small_block: | |
| 231 movlw 1 | |
| 232 movff WREG, win_font ; Need a bank-safe move here ! | |
| 233 bra start_common | |
| 234 | |
| 235 global start_std_block | |
| 236 start_std_block: | |
| 237 movlw 2 | |
| 238 movff WREG, win_font ; Need a bank-safe move here ! | |
| 239 bra start_common | |
| 240 | |
| 241 global start_medium_block | |
| 242 start_medium_block: | |
| 243 movlw 3 | |
| 244 movff WREG, win_font ; Need a bank-safe move here ! | |
| 245 bra start_common | |
| 246 | |
| 247 global start_large_block | |
| 248 start_large_block: | |
| 249 movlw 4 | |
| 250 movff WREG, win_font ; Need a bank-safe move here ! | |
|
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|
251 ; bra start_common |
| 0 | 252 start_common: |
| 253 VARARGS_BEGIN | |
| 254 VARARGS_GET8 win_leftx2 | |
| 255 VARARGS_GET8 win_top | |
| 256 VARARGS_END | |
| 124 | 257 lfsr FSR2,buffer ; point to buffer here |
| 0 | 258 return |
| 259 | |
| 260 END |