diff options
Diffstat (limited to 'libsidplay2/sidplay-libs-2.1.0/libsidplay/src/psiddrv.a65')
| -rw-r--r-- | libsidplay2/sidplay-libs-2.1.0/libsidplay/src/psiddrv.a65 | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/libsidplay2/sidplay-libs-2.1.0/libsidplay/src/psiddrv.a65 b/libsidplay2/sidplay-libs-2.1.0/libsidplay/src/psiddrv.a65 deleted file mode 100644 index 8d269662..00000000 --- a/libsidplay2/sidplay-libs-2.1.0/libsidplay/src/psiddrv.a65 +++ /dev/null @@ -1,210 +0,0 @@ -/*************************************************************************** - psiddrv.a65 - C64 Sid Player - ------------------- - begin : - copyright : (C) 2000 by Dag Lem - email : resid@nimrod.no - ***************************************************************************/ -/*************************************************************************** - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - ***************************************************************************/ -/*************************************************************************** - * Modified by Simon White <sidplay2@email.com> for use in the sidplayer - * SIDPlay2. - * - * Build with: - * xa -R -G psiddrv.a65 -o psiddrv.o65 - * od -v -An -w8 -tx1 psiddrv.o65 | sed 's/\w\w/0x&,/g' > psiddrv.bin - ***************************************************************************/ -/*************************************************************************** - * $Log: psiddrv.a65,v $ - * Revision 1.16 2002/12/13 22:04:54 s_a_white - * Nolonger CLI after returning from INIT for RSID tunes. Since the tunes are - * more complicated rely on the init to do the right thing. - * - * Revision 1.15 2002/11/20 21:43:08 s_a_white - * Enable the VIC screen and therefore DMA. - * - * Revision 1.14 2002/11/19 22:53:23 s_a_white - * Sidplay1 modes modified to make them nolonger require the psid driver. - * - * Revision 1.13 2002/11/01 17:36:01 s_a_white - * Frame based support for old sidplay1 modes. - * - * Revision 1.12 2002/10/20 08:59:14 s_a_white - * Prevent some PSID tunes being handled like RSID ones. - * - * Revision 1.11 2002/10/02 19:42:59 s_a_white - * RSID support. - * - * Revision 1.10 2002/09/21 22:32:18 s_a_white - * Prevent some of the real c64 only tunes abusing play != 0. Some busy - * looping ones may still get away with it... - * - * Revision 1.9 2002/09/12 20:39:47 s_a_white - * Added support for simulating the random delay before the user loads a - * program on a real C64. - * - * Revision 1.8 2002/03/12 18:45:37 s_a_white - * Added PHP to push stack as sidplay1 compatibility IRQ now behaves like - * JSR. - * - * Revision 1.7 2002/02/17 12:35:35 s_a_white - * BRK handler clean up and better sidplay2 optimisation usage. - * - * Revision 1.6 2002/02/05 08:48:58 s_a_white - * Small fix for psid specific rips and real irq handlers (A reg now zeroed). - * - * Revision 1.5 2002/02/04 23:50:48 s_a_white - * Improved compatibilty with older sidplay1 modes. - * - * Revision 1.4 2001/12/17 23:43:29 s_a_white - * Fix for real C64 tunes where BRK handler is run. - * - * Revision 1.3 2001/10/02 18:05:27 s_a_white - * Fix for real C64 tunes which correctly handle BRK. - * - * Revision 1.2 2001/09/01 11:12:22 s_a_white - * Fixes sidplay1 environment modes. - * - * Revision 1.1 2001/07/27 12:12:23 s_a_white - * Initial release. - * - ***************************************************************************/ - - ; entry address -coldvec .word cold - ; redirect basic restart vector - ; to finish the init sequence -finitvec .word setiomap - - ; initial user interrupt vectors -retusr .word irqret - .byte 0 -irqusr .word irqret -brkusr .word brkjob -nmiusr .word nmijob - -playnum .byte 0 -speed .byte 0 -initvec .word 0 -playvec .word 0 -rndwait .word 0 -initiomap .byte 0 -playiomap .byte 0 - - ; init/play PSID -play jmp (playvec) -init jmp (initvec) - - ; cold start -cold sei - - ; set CIA Timer A to 60Hz - lda $02a6 - beq ntsc -pal lda #$25 - ldx #$40 - bne timer -ntsc lda #$95 - ldx #$42 -timer sta $dc04 - stx $dc05 - - ; enable the VICs screen - lda $d011 - ora #$10 - sta $d011 - - ; 0 indicates VIC timing, else it's from CIA - ldx #$81 - lda speed - bne ciainit - - ; enable VICII raster interrupt - stx $d01a - beq doinit - - ; enable CIA 1 timer A interrupt -ciainit stx $dc0d - - ; always enable timer A for random numbers -doinit lda #$01 - sta $dc0e - - ; If play address, override default irq vector so - ; we reach are routine to handle play routine - lda playiomap - beq noplay - lda #<irqjob - sta $0314 - - ; set I/O map and call song init routine -noplay lda initiomap - bne setbank - ; Only release interrupt mask for real - ; C64 tunes (initiomap = 0) thus - ; providing a more realistic environment - lda #$37 - ; cli dosen't come into effect until - ; after the sta! - cli -setbank sta $01 - - ; simulate time before user loads tune -random tya - ldx rndwait - ldy rndwait+1 - inx - iny -wait dex - bne wait - dey - bne wait - tay - - ; get song number -getsong ldx playnum - dex - txa - ldx #0 - ldy #0 - jsr init -setiomap lda initiomap - beq idle - lda playiomap - beq run - lda #$37 - sta $01 - bne run - -brkjob ldx #$ff - txs -run cli -idle jmp idle - -irqjob lda $01 - pha - lda playiomap - sta $01 - lda #0 - jsr play - pla - sta $01 - inc $d019 - - ; IRQ Exit (code from Kernel ROM) -irqret lda $dc0d - pla - tay - pla - tax - pla -nmijob rti - -.end |