X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcarthw%2Fsvp%2FMemory.c;fp=Pico%2Fcarthw%2Fsvp%2FMemory.c;h=0000000000000000000000000000000000000000;hb=efcba75f8a730340df6c1b679a207723f98d1ee6;hp=e835d3280e1949df0dad91472c97d0d8d45bc093;hpb=6a13ef3f56a80ac698d463f5d00235ea2a090f52;p=picodrive.git

diff --git a/Pico/carthw/svp/Memory.c b/Pico/carthw/svp/Memory.c
deleted file mode 100644
index e835d32..0000000
--- a/Pico/carthw/svp/Memory.c
+++ /dev/null
@@ -1,130 +0,0 @@
-// The SVP chip emulator, mem I/O stuff
-
-// (c) Copyright 2008, Grazvydas "notaz" Ignotas
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
-
-
-#include "../../PicoInt.h"
-#include "../../PicoInt.h"
-
-#ifndef UTYPES_DEFINED
-typedef unsigned char  u8;
-typedef unsigned short u16;
-typedef unsigned int   u32;
-#define UTYPES_DEFINED
-#endif
-
-#define CLEAR_DETECT(pc_start,pc_end,text) \
-  if (d == 0 && SekPc >= pc_start && SekPc < pc_end) \
-  { \
-    if (!clearing_ram) \
-      elprintf(EL_SVP, text); \
-    clearing_ram = 1; \
-    return; \
-  }
-
-unsigned int PicoSVPRead16(unsigned int a, int realsize)
-{
-  unsigned int d = 0;
-  static int a15004_looping = 0;
-
-  // dram: 300000-31ffff
-  if      ((a & 0xfe0000) == 0x300000)
-    d = *(u16 *)(svp->dram + (a&0x1fffe));
-
-  // "cell arrange" 1: 390000-39ffff
-  else if ((a & 0xff0000) == 0x390000) {
-    // this is rewritten 68k code
-    unsigned int a1 = a >> 1;
-    a1 = (a1 & 0x7001) | ((a1 & 0x3e) << 6) | ((a1 & 0xfc0) >> 5);
-    d = ((u16 *)svp->dram)[a1];
-  }
-
-  // "cell arrange" 2: 3a0000-3affff
-  else if ((a & 0xff0000) == 0x3a0000) {
-    // this is rewritten 68k code
-    unsigned int a1 = a >> 1;
-    a1 = (a1 & 0x7801) | ((a1 & 0x1e) << 6) | ((a1 & 0x7e0) >> 4);
-    d = ((u16 *)svp->dram)[a1];
-  }
-
-  // regs
-  else if ((a & 0xfffff0) == 0xa15000) {
-    switch (a & 0xf) {
-      case 0:
-      case 2:
-        d = svp->ssp1601.gr[SSP_XST].h;
-        break;
-
-      case 4:
-        d = svp->ssp1601.gr[SSP_PM0].h;
-        svp->ssp1601.gr[SSP_PM0].h &= ~1;
-        if (d&1) a15004_looping = 0;
-	break;
-    }
-  }
-  else
-    elprintf(EL_UIO|EL_SVP|EL_ANOMALY, "SVP FIXME: unhandled r%i: [%06x] %04x @%06x", realsize, a&0xffffff, d, SekPc);
-
-  if (!a15004_looping)
-    elprintf(EL_SVP, "SVP r%i: [%06x] %04x @%06x", realsize, a&0xffffff, d, SekPc);
-
-  if (a == 0xa15004 && !(d&1)) {
-    if (!a15004_looping)
-      elprintf(EL_SVP, "SVP det TIGHT loop: a15004");
-    a15004_looping = 1;
-  }
-  else a15004_looping = 0;
-
-  //if (a == 0x30fe02 && d == 0)
-  //  elprintf(EL_ANOMALY, "SVP lag?");
-
-  return d;
-}
-
-void PicoSVPWrite8(unsigned int a, unsigned int d, int realsize)
-{
-  elprintf(EL_UIO|EL_SVP|EL_ANOMALY, "!!! SVP w%i: [%06x], %08x @%06x", realsize, a&0xffffff, d, SekPc);
-}
-
-void PicoSVPWrite16(unsigned int a, unsigned int d, int realsize)
-{
-  static int clearing_ram = 0;
-
-  // DRAM
-  if      ((a & 0xfe0000) == 0x300000)
-    *(u16 *)(svp->dram + (a&0x1fffe)) = d;
-
-  // regs
-  else if ((a & 0xfffff0) == 0xa15000) {
-    if (a == 0xa15000 || a == 0xa15002) {
-      // just guessing here
-      svp->ssp1601.gr[SSP_XST].h = d;
-      svp->ssp1601.gr[SSP_PM0].h |= 2;
-      svp->ssp1601.emu_status &= ~SSP_WAIT_PM0;
-    }
-    //else if (a == 0xa15006) svp->ssp1601.gr[SSP_PM0].h = d | (d << 1);
-    // 0xa15006 probably has 'halt'
-  }
-  else
-    elprintf(EL_UIO|EL_SVP|EL_ANOMALY, "SVP FIXME: unhandled w%i: [%06x] %04x @%06x", realsize, a&0xffffff, d, SekPc);
-
-
-  if (a == 0x30fe06 && d != 0)
-    svp->ssp1601.emu_status &= ~SSP_WAIT_30FE06;
-
-  if (a == 0x30fe08 && d != 0)
-    svp->ssp1601.emu_status &= ~SSP_WAIT_30FE08;
-
-  // debug: detect RAM clears..
-  CLEAR_DETECT(0x0221dc, 0x0221f0, "SVP RAM CLEAR (full) @ 0221C2");
-  CLEAR_DETECT(0x02204c, 0x022068, "SVP RAM CLEAR 300000-31ffbf (1) @ 022032");
-  CLEAR_DETECT(0x021900, 0x021ff0, "SVP RAM CLEAR 300000-305fff");
-  CLEAR_DETECT(0x0220b0, 0x0220cc, "SVP RAM CLEAR 300000-31ffbf (2) @ 022096");
-  clearing_ram = 0;
-
-  elprintf(EL_SVP, "SVP w%i: [%06x] %04x @%06x", realsize, a&0xffffff, d, SekPc);
-}
-