oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 1 | ; |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 2 | ; Startup code for Contiki (Apple2 version) |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 3 | ; |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 4 | ; This must be the *first* file on the linker command line |
| 5 | ; |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 6 | |
oliverschmidt | 46ea673 | 2005-01-07 09:50:52 +0000 | [diff] [blame] | 7 | .export _exit |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 8 | .import zerobss, initlib, callmain, donelib |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 9 | .ifdef __APPLE2ENH__ |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 10 | .import _uip_buf, callirq |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 11 | .endif |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 12 | .import __STARTUP_RUN__ ; Linker generated |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 13 | .import __BSS_RUN__, __BSS_SIZE__ ; Linker generated |
| 14 | .import __INIT_RUN__, __INIT_SIZE__ ; Linker generated |
| 15 | .import __CODE_RUN__, __CODE_SIZE__ ; Linker generated |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 16 | .import __BOOT_SIZE__, __UIP_SIZE__ ; Linker generated |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 17 | .importzp sp |
oliverschmidt | 97e3957 | 2005-03-29 23:10:40 +0000 | [diff] [blame] | 18 | .linecont + |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 19 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 20 | ; ------------------------------------------------------------------------ |
| 21 | ; The executable header |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 22 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 23 | .segment "EXEHDR" |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 24 | |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 25 | .word __STARTUP_RUN__ ; Start address |
| 26 | .word __BSS_RUN__ + __BOOT_SIZE__ + \ |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 27 | __INIT_SIZE__ + __CODE_SIZE__ + \ |
| 28 | __UIP_SIZE__ - __STARTUP_RUN__ ; Size |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 29 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 30 | ; ------------------------------------------------------------------------ |
oliverschmidt | 33d8fad | 2006-05-18 16:20:08 +0000 | [diff] [blame] | 31 | ; Place the startup code in a special segment |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 32 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 33 | .segment "STARTUP" |
oliverschmidt | 19032c6 | 2004-06-14 22:30:32 +0000 | [diff] [blame] | 34 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 35 | ; Forward control to the code in the "BOOT" segment |
oliverschmidt | 19032c6 | 2004-06-14 22:30:32 +0000 | [diff] [blame] | 36 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 37 | jmp __BSS_RUN__ |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 38 | |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 39 | .ifdef __APPLE2ENH__ |
| 40 | |
| 41 | ; ProDOS TechRefMan, chapter 6.2: |
| 42 | ; "Each installed routine must begin with a CLD instruction." |
| 43 | |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 44 | irq: cld |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 45 | |
| 46 | ; Switch in LC bank 2 for R/O |
| 47 | |
| 48 | bit $C080 |
| 49 | |
| 50 | ; Call interruptors |
| 51 | |
| 52 | jsr callirq |
| 53 | |
| 54 | ; Switch in LC bank 1 for R/W |
| 55 | |
| 56 | bit $C08B |
| 57 | bit $C08B |
| 58 | |
| 59 | ; Check for success |
| 60 | |
| 61 | bcc :+ |
| 62 | |
| 63 | ; ProDOS TechRefMan, chapter 6.2: |
| 64 | ; "When the routine that can process the interrupt is called, it |
| 65 | ; should ... return (via an RTS) with the carry flag clear." |
| 66 | |
| 67 | clc |
| 68 | rts |
| 69 | |
| 70 | ; ProDOS TechRefMan, chapter 6.2: |
| 71 | ; "When a routine that cannot process the interrupt is called, |
| 72 | ; it should return (via an RTS) with the cary flag set ..." |
| 73 | |
| 74 | : sec |
| 75 | rts |
| 76 | |
| 77 | .endif |
| 78 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 79 | ; Avoid re-entrance of donelib. This is also the _exit entry |
| 80 | |
| 81 | _exit: ldx #$02 |
| 82 | : lda rvsave,x |
| 83 | sta $03F2,x |
| 84 | dex |
| 85 | bpl :- |
| 86 | |
| 87 | ; Switch in LC bank 2 for R/O |
| 88 | |
| 89 | bit $C080 |
| 90 | |
| 91 | ; Call module destructors |
| 92 | |
| 93 | jsr donelib |
| 94 | |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 95 | .ifdef __APPLE2ENH__ |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 96 | |
| 97 | ; Switch in $2000-$3FFF from aux memory |
| 98 | |
| 99 | lda $C018 ; 80Store ? |
oliverschmidt | 2b9fbcd | 2006-06-28 20:15:34 +0000 | [diff] [blame] | 100 | pha |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 101 | sta $C001 ; 80Store On |
| 102 | |
| 103 | bit $C055 ; Page2 |
| 104 | bit $C057 ; HiRes |
| 105 | |
| 106 | ; Call the cleanup code in the "UIP" segment |
| 107 | |
| 108 | jsr cleanup |
| 109 | |
| 110 | ; Switch in $2000-$3FFF from main memory |
| 111 | |
| 112 | bit $C056 ; LoRes |
| 113 | bit $C054 ; Page1 |
| 114 | |
oliverschmidt | 2b9fbcd | 2006-06-28 20:15:34 +0000 | [diff] [blame] | 115 | pla |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 116 | bmi :+ |
| 117 | sta $C000 ; 80Store Off |
| 118 | |
| 119 | .endif |
| 120 | |
| 121 | ; Switch in ROM |
| 122 | |
| 123 | : bit $C082 |
| 124 | |
| 125 | ; Back to DOS |
| 126 | |
| 127 | jmp $03D0 |
| 128 | |
| 129 | .ifdef __APPLE2ENH__ |
| 130 | ; ------------------------------------------------------------------------ |
| 131 | ; There's space left in the "UIP" segment so we move all cleanup code here |
| 132 | |
| 133 | .segment "UIP" |
| 134 | |
| 135 | .proc cleanup |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 136 | |
| 137 | ; Deallocate interrupt vector table entry |
| 138 | |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 139 | dec intrpt ; Adjust parameter count |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 140 | jsr $BF00 |
| 141 | .byte $41 ; Dealloc interrupt |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 142 | .addr intrpt |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 143 | |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 144 | ; Save last used device number |
| 145 | |
| 146 | lda $BF30 ; DEVNUM |
| 147 | sta devnum |
| 148 | |
| 149 | ; Read ProDOS dispatcher from /RAM |
| 150 | |
| 151 | jsr $BF00 |
| 152 | .byte $C8 ; Open file |
| 153 | .addr open |
| 154 | |
| 155 | lda o_ref |
| 156 | sta r_ref |
| 157 | sta c_ref |
| 158 | |
| 159 | jsr $BF00 |
| 160 | .byte $CA ; Read file |
| 161 | .addr read |
| 162 | |
| 163 | jsr $BF00 |
| 164 | .byte $CC ; Close file |
| 165 | .addr close |
| 166 | |
| 167 | ; Destroy /RAM files |
| 168 | |
| 169 | jsr $BF00 |
| 170 | .byte $C1 ; Destroy file |
| 171 | .addr destr |
| 172 | |
| 173 | dec n_ext ; CONTIKI.2 -> CONTIKI.1 |
| 174 | |
| 175 | jsr $BF00 |
| 176 | .byte $C1 ; Destroy file |
| 177 | .addr destr |
| 178 | |
| 179 | ; Restore last used device number |
| 180 | |
| 181 | lda devnum |
| 182 | sta $BF30 ; DEVNUM |
| 183 | |
| 184 | ; Switch in LC bank 2 for W/O |
| 185 | |
| 186 | bit $C081 |
| 187 | bit $C081 |
| 188 | |
| 189 | ; Set source start |
| 190 | |
| 191 | lda #<__BSS_RUN__ |
| 192 | ldx #>__BSS_RUN__ |
| 193 | sta $3C |
| 194 | stx $3D |
| 195 | |
| 196 | ; Set source end |
| 197 | |
| 198 | lda #<(__BSS_RUN__ + $0300) |
| 199 | ldx #>(__BSS_RUN__ + $0300) |
| 200 | sta $3E |
| 201 | stx $3F |
| 202 | |
| 203 | ; Set destination |
| 204 | |
| 205 | lda #<$D100 |
| 206 | ldx #>$D100 |
| 207 | sta $42 |
| 208 | stx $43 |
| 209 | |
| 210 | ; Reset index and call MOVE to copy ProDOS dispatcher into LC |
| 211 | |
| 212 | ldy #$00 |
| 213 | jmp $FE2C |
| 214 | |
| 215 | open: .byte $03 ; Parameter count |
| 216 | .addr name ; Pathname |
| 217 | .addr _uip_buf ; IO buffer |
| 218 | o_ref: .byte $00 ; Reference number |
| 219 | |
| 220 | read: .byte $04 ; Parameter count |
| 221 | r_ref: .byte $00 ; Reference number |
| 222 | .addr __BSS_RUN__ ; Data buffer |
| 223 | .word $0300 ; Requested count |
| 224 | .word $0000 ; Transfered count |
| 225 | |
| 226 | close: .byte $01 ; Parameter count |
| 227 | c_ref: .byte $00 ; Reference number |
| 228 | |
| 229 | destr: .byte $01 ; Parameter count |
| 230 | .addr name ; Pathname |
| 231 | |
| 232 | name: .byte .strlen("/RAM/CONTIKI.2") |
| 233 | .byte "/RAM/CONTIKI." |
| 234 | n_ext: .byte '2' |
| 235 | |
| 236 | devnum: .res 1 |
| 237 | |
| 238 | .endproc |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 239 | .endif |
| 240 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 241 | ; ------------------------------------------------------------------------ |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 242 | ; The linker doesn't understand that the "BOOT" segment overlays the "BSS" |
| 243 | ; segment so the automatic fixup of references to the "BOOT" segment does |
| 244 | ; not work. Therefore references to this segment have to be expressed as |
| 245 | ; offsets to __BSS_RUN__. |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 246 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 247 | .segment "BOOT" |
| 248 | |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 249 | .ifdef __APPLE2ENH__ |
| 250 | |
| 251 | ; Save potential command line arguments from being overwritten by |
| 252 | ; a slot-based realtime clock being called by ProDOS on file I/O |
| 253 | |
| 254 | ldx #$7F |
| 255 | : lda $0200,x |
| 256 | sta $0100,x |
| 257 | dex |
| 258 | bpl :- |
| 259 | |
| 260 | ; ProDOS TechRefMan, chapter 5.2.2.1: |
| 261 | ; "... you may protect those areas of auxiliary memory. If you save a |
| 262 | ; dummy 8K file as the first entry in /RAM, it will always be saved |
| 263 | ; at $2000 to $3FFF." |
| 264 | ; |
| 265 | ; Read /RAM directory |
| 266 | |
| 267 | jsr $BF00 |
| 268 | .byte $C8 ; Open file |
| 269 | .addr open |
| 270 | |
| 271 | lda o_ref |
| 272 | sta r_ref |
| 273 | sta c_ref |
| 274 | |
| 275 | jsr $BF00 |
| 276 | .byte $CA ; Read file |
| 277 | .addr read |
| 278 | |
| 279 | jsr $BF00 |
| 280 | .byte $CC ; Close file |
| 281 | .addr close |
| 282 | |
| 283 | ; ProDOS TechRefMan, chapter B.2.5: |
| 284 | ; "FileCount := ThisBlock[$25] + (256 * ThisBlock[$26]);" |
| 285 | ; |
| 286 | ; Make sure /RAM is empty |
| 287 | |
| 288 | lda END + $25 |
| 289 | ora END + $26 |
| 290 | beq :++ |
| 291 | |
| 292 | ldx #.strlen("Fatal error: /RAM not empty !") |
| 293 | : lda error,x |
| 294 | jsr $FDED ; COUT |
| 295 | dex |
| 296 | bpl :- |
| 297 | |
| 298 | jsr $FD0C ; RDKEY |
| 299 | jmp $03D0 ; DOSWARM |
| 300 | |
| 301 | ; Switch to 80 column mode here to show some progress |
| 302 | |
| 303 | : lda #$0D |
| 304 | jsr $C300 |
| 305 | |
| 306 | ; Relocate the "UIP" segment by writing it to /RAM as the first file |
| 307 | |
| 308 | lda #.strlen("/RAM/CONTIKI.1") |
| 309 | sta name |
| 310 | jsr ramfile |
| 311 | |
| 312 | ; Switch in LC bank 2 for R/O |
| 313 | |
| 314 | bit $C080 |
| 315 | |
| 316 | ; Copy ProDOS dispatcher out of LC |
| 317 | |
| 318 | ldx #$00 |
| 319 | l_mod = __BSS_RUN__ + * |
| 320 | : lda $D100,x |
| 321 | s_mod = __BSS_RUN__ + * |
| 322 | sta UIP,x |
| 323 | inx |
| 324 | bne :- |
| 325 | inc l_mod+2 |
| 326 | inc s_mod+2 |
| 327 | lda l_mod+2 |
| 328 | cmp #>$D400 |
| 329 | bne :- |
| 330 | |
| 331 | ; Write ProDOS dispatcher to /RAM |
| 332 | |
| 333 | lda #>$0300 |
| 334 | sta w_cnt+1 |
| 335 | inc n_ext ; CONTIKI.1 -> CONTIKI.2 |
| 336 | jsr ramfile |
| 337 | |
| 338 | ; Restore potential command line arguments |
| 339 | |
| 340 | ldx #$7F |
| 341 | : lda $0100,x |
| 342 | sta $0200,x |
| 343 | dex |
| 344 | bpl :- |
| 345 | |
| 346 | ; Allocate interrupt vector table entry |
| 347 | |
| 348 | jsr $BF00 |
| 349 | .byte $40 ; Alloc interrupt |
| 350 | .addr intrpt |
| 351 | |
| 352 | .endif |
| 353 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 354 | ; Setup the stack at HIMEM |
| 355 | |
| 356 | lda $73 |
| 357 | ldx $73+1 |
| 358 | sta sp |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 359 | stx sp+1 |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 360 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 361 | ; Save the original RESET vector |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 362 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 363 | ldx #$02 |
| 364 | : lda $03F2,x |
| 365 | sta rvsave,x |
| 366 | dex |
| 367 | bpl :- |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 368 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 369 | ; ProDOS TechRefMan, chapter 5.3.5: |
| 370 | ; "Your system program should place in the RESET vector the address of a |
| 371 | ; routine that ... closes the files." |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 372 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 373 | lda #<_exit |
| 374 | sta $03F2 |
| 375 | lda #>_exit |
| 376 | sta $03F3 |
| 377 | eor #$A5 |
| 378 | sta $03F4 |
| 379 | |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 380 | ; Switch in LC bank 2 for W/O |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 381 | |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 382 | bit $C081 |
| 383 | bit $C081 |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 384 | |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 385 | ; Set source start |
| 386 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 387 | lda #<(__BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__) |
| 388 | ldx #>(__BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__) |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 389 | sta $3C |
| 390 | stx $3D |
| 391 | |
| 392 | ; Set source end |
| 393 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 394 | lda #<(__BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__ + __CODE_SIZE__) |
| 395 | ldx #>(__BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__ + __CODE_SIZE__) |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 396 | sta $3E |
| 397 | stx $3F |
| 398 | |
| 399 | ; Set destination |
| 400 | |
| 401 | lda #<__CODE_RUN__ |
| 402 | ldx #>__CODE_RUN__ |
| 403 | sta $42 |
| 404 | stx $43 |
| 405 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 406 | ; Reset index and call MOVE to relocate the "CODE" segment |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 407 | |
| 408 | ldy #$00 |
| 409 | jsr $FE2C |
| 410 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 411 | ; Set source start |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 412 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 413 | lda #<(__BSS_RUN__ + __BOOT_SIZE__) |
| 414 | ldx #>(__BSS_RUN__ + __BOOT_SIZE__) |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 415 | sta $3C |
| 416 | stx $3D |
oliverschmidt | a330e33 | 2005-01-22 03:00:27 +0000 | [diff] [blame] | 417 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 418 | ; Set source end |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 419 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 420 | lda #<(__BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__) |
| 421 | ldx #>(__BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__) |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 422 | sta $3E |
| 423 | stx $3F |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 424 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 425 | ; Set destination |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 426 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 427 | lda #<__INIT_RUN__ |
| 428 | ldx #>__INIT_RUN__ |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 429 | sta $42 |
| 430 | stx $43 |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 431 | |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 432 | ; Reset index and call MOVE to relocate the "INIT" segment |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 433 | |
oliverschmidt | 67fa2ac | 2005-02-08 00:32:10 +0000 | [diff] [blame] | 434 | ldy #$00 |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 435 | jsr $FE2C |
| 436 | |
| 437 | ; Switch in LC bank 2 for R/O |
| 438 | |
| 439 | bit $C080 |
| 440 | |
| 441 | ; Forward control to code in the "INIT" segment |
| 442 | |
| 443 | jmp init |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 444 | |
| 445 | .ifdef __APPLE2ENH__ |
| 446 | |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 447 | ; Create a temporary file in /RAM |
| 448 | |
| 449 | ramfile = __BSS_RUN__ + * |
| 450 | jsr $BF00 |
| 451 | .byte $C0 ; Create file |
| 452 | .addr create |
| 453 | |
| 454 | jsr $BF00 |
| 455 | .byte $C8 ; Open file |
| 456 | .addr open |
| 457 | |
| 458 | lda o_ref |
| 459 | sta w_ref |
| 460 | sta c_ref |
| 461 | |
| 462 | jsr $BF00 |
| 463 | .byte $CB ; Write file |
| 464 | .addr write |
| 465 | |
| 466 | jsr $BF00 |
| 467 | .byte $CC ; Close file |
| 468 | .addr close |
| 469 | |
| 470 | rts |
| 471 | |
| 472 | UIP = __BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__ + __CODE_SIZE__ |
| 473 | END = __BSS_RUN__ + __BOOT_SIZE__ + __INIT_SIZE__ + __CODE_SIZE__ + __UIP_SIZE__ |
| 474 | |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 475 | create = __BSS_RUN__ + * |
| 476 | .byte $07 ; Parameter count |
| 477 | .addr name ; Pathname |
| 478 | .byte %11000011 ; Access: Standard full access |
| 479 | .byte $00 ; File type: Typeless file |
| 480 | .word $0000 ; Aux type: N/A |
| 481 | .byte $01 ; Storage type: Standard seedling file |
| 482 | .word $0000 ; Create date: Current date |
| 483 | .word $0000 ; Create time: Current time |
| 484 | |
| 485 | open = __BSS_RUN__ + * |
| 486 | .byte $03 ; Parameter count |
| 487 | .addr name ; Pathname |
| 488 | .addr _uip_buf ; IO buffer |
| 489 | o_ref = __BSS_RUN__ + * |
| 490 | .byte $00 ; Reference number |
| 491 | |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 492 | read = __BSS_RUN__ + * |
| 493 | .byte $04 ; Parameter count |
| 494 | r_ref = __BSS_RUN__ + * |
| 495 | .byte $00 ; Reference number |
| 496 | .addr END ; Data buffer |
| 497 | .word $0200 ; Requested count |
| 498 | .word $0000 ; Transfered count |
| 499 | |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 500 | write = __BSS_RUN__ + * |
| 501 | .byte $04 ; Parameter count |
| 502 | w_ref = __BSS_RUN__ + * |
| 503 | .byte $00 ; Reference number |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 504 | .addr UIP ; Data buffer |
| 505 | w_cnt = __BSS_RUN__ + * |
| 506 | .word $2000 ; Requested count |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 507 | .word $0000 ; Transfered count |
| 508 | |
| 509 | close = __BSS_RUN__ + * |
| 510 | .byte $01 ; Parameter count |
| 511 | c_ref = __BSS_RUN__ + * |
| 512 | .byte $00 ; Reference number |
| 513 | |
| 514 | name = __BSS_RUN__ + * |
oliverschmidt | 01e5b37 | 2006-05-24 19:41:20 +0000 | [diff] [blame] | 515 | .byte .strlen("/RAM") |
| 516 | .byte "/RAM/CONTIKI." |
| 517 | n_ext = __BSS_RUN__ + * |
| 518 | .byte '1' |
| 519 | |
| 520 | error = __BSS_RUN__ + * |
| 521 | .byte $8D, '!'|$80, ' '|$80, 'y'|$80, 't'|$80, 'p'|$80 |
| 522 | .byte 'm'|$80, 'e'|$80, ' '|$80, 't'|$80, 'o'|$80, 'n'|$80 |
| 523 | .byte ' '|$80, 'M'|$80, 'A'|$80, 'R'|$80, '\'|$80, ' '|$80 |
| 524 | .byte ':'|$80, 'r'|$80, 'o'|$80, 'r'|$80, 'r'|$80, 'e'|$80 |
| 525 | .byte ' '|$80, 'l'|$80, 'a'|$80, 't'|$80, 'a'|$80, 'F'|$80 |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 526 | |
| 527 | .endif |
oliverschmidt | d86377a | 2005-03-09 00:51:51 +0000 | [diff] [blame] | 528 | |
| 529 | ; ------------------------------------------------------------------------ |
| 530 | ; The "INIT" segment will be overwritten by the heap |
| 531 | |
| 532 | .segment "INIT" |
| 533 | |
| 534 | ; Clear the BSS data (and thus overwrite the "BOOT" segment) |
| 535 | |
| 536 | init: jsr zerobss |
| 537 | |
| 538 | ; Call module constructors |
| 539 | |
| 540 | jsr initlib |
| 541 | |
| 542 | ; Push arguments and call main() |
| 543 | |
| 544 | jmp callmain |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 545 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 546 | ; ------------------------------------------------------------------------ |
| 547 | ; Data |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 548 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 549 | .data |
oliverschmidt | 3cf3d30 | 2004-06-08 20:28:33 +0000 | [diff] [blame] | 550 | |
oliverschmidt | 76872e8 | 2004-12-26 14:13:34 +0000 | [diff] [blame] | 551 | rvsave: .res 3 |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 552 | |
| 553 | .ifdef __APPLE2ENH__ |
| 554 | |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 555 | intrpt: .byte $02 ; Parameter count |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 556 | .byte $00 ; Interrupt number |
oliverschmidt | 027febe | 2006-05-17 15:55:29 +0000 | [diff] [blame] | 557 | .addr irq ; Interrupt handler |
oliverschmidt | e769f0a | 2006-04-09 16:42:17 +0000 | [diff] [blame] | 558 | |
| 559 | .endif |