X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fcarthw%2Fsvp%2Fsvp.c;h=c50eb8504bdf46b084a7b3fc5a8b9f9ac72538ee;hb=93f9619ed819dee07948416c98ca2f1c70a22666;hp=8be4e551e5dc510c7ea4035974efbf674c7206b7;hpb=9c9cda8c39bd2a6b99b8420a3034c454bc713954;p=picodrive.git diff --git a/pico/carthw/svp/svp.c b/pico/carthw/svp/svp.c index 8be4e55..c50eb85 100644 --- a/pico/carthw/svp/svp.c +++ b/pico/carthw/svp/svp.c @@ -30,8 +30,9 @@ #include #include "compiler.h" +#define SVP_CYCLES_LINE 850 + svp_t *svp = NULL; -int PicoSVPCycles = 850; // cycles/line, just a guess static int svp_dyn_ready = 0; /* save state stuff */ @@ -57,7 +58,7 @@ static void PicoSVPReset(void) memcpy(svp->iram_rom + 0x800, Pico.rom + 0x800, 0x20000 - 0x800); ssp1601_reset(&svp->ssp1601); #ifdef _SVP_DRC - if ((PicoOpt&POPT_EN_SVP_DRC) && svp_dyn_ready) + if ((PicoIn.opt & POPT_EN_DRC) && svp_dyn_ready) ssp1601_dyn_reset(&svp->ssp1601); #endif } @@ -77,37 +78,34 @@ static void PicoSVPLine(void) #endif #ifdef _SVP_DRC - if ((PicoOpt&POPT_EN_SVP_DRC) && svp_dyn_ready) - ssp1601_dyn_run(PicoSVPCycles * count); + if ((PicoIn.opt & POPT_EN_DRC) && svp_dyn_ready) + ssp1601_dyn_run(SVP_CYCLES_LINE * count); else #endif { - ssp1601_run(PicoSVPCycles * count); + ssp1601_run(SVP_CYCLES_LINE * count); svp_dyn_ready = 0; // just in case } // test mode - //if (Pico.m.frame_count == 13) PicoPad[0] |= 0xff; + //if (Pico.m.frame_count == 13) PicoIn.pad[0] |= 0xff; } -static int PicoSVPDma(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp) +static int PicoSVPDma(unsigned int source, int len, unsigned short **base, unsigned int *mask) { if (source < Pico.romsize) // Rom { - source -= 2; - *srcp = (unsigned short *)(Pico.rom + (source&~1)); - *limitp = (unsigned short *)(Pico.rom + Pico.romsize); - return 1; + *base = (unsigned short *)(Pico.rom + (source & 0xfe0000)); + *mask = 0x1ffff; + return source - 2; } else if ((source & 0xfe0000) == 0x300000) { elprintf(EL_VDPDMA|EL_SVP, "SVP DmaSlow from %06x, len=%i", source, len); - source &= 0x1fffe; - source -= 2; - *srcp = (unsigned short *)(svp->dram + source); - *limitp = (unsigned short *)(svp->dram + sizeof(svp->dram)); - return 1; + *base = (unsigned short *)svp->dram; + *mask = 0x1ffff; + return source - 2; } else elprintf(EL_VDPDMA|EL_SVP|EL_ANOMALY, "SVP FIXME unhandled DmaSlow from %06x, len=%i", source, len); @@ -151,7 +149,7 @@ void PicoSVPStartup(void) // init SVP compiler svp_dyn_ready = 0; #ifdef _SVP_DRC - if (PicoOpt & POPT_EN_SVP_DRC) { + if (PicoIn.opt & POPT_EN_DRC) { if (ssp1601_dyn_startup()) return; svp_dyn_ready = 1; @@ -170,6 +168,6 @@ void PicoSVPStartup(void) svp_states[1].ptr = svp->dram; svp_states[2].ptr = &svp->ssp1601; carthw_chunks = svp_states; - PicoAHW |= PAHW_SVP; + PicoIn.AHW |= PAHW_SVP; }