mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
Cyclone poll detection problem fixed
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@307 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
ea08c2967b
commit
ca61ee42d9
17 changed files with 97 additions and 139 deletions
117
Pico/cd/Memory.c
117
Pico/cd/Memory.c
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@ -3,8 +3,6 @@
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// (c) Copyright 2007, Grazvydas "notaz" Ignotas
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//#define __debug_io
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#include "../PicoInt.h"
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#include "../sound/ym2612.h"
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@ -20,15 +18,10 @@ typedef unsigned int u32;
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#define UTYPES_DEFINED
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#endif
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//#define __debug_io
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//#define __debug_io2
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//#define rdprintf dprintf
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#define rdprintf(...)
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//#define wrdprintf dprintf
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#define wrdprintf(...)
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#define plprintf dprintf
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//#define plprintf(...)
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#ifdef EMU_CORE_DEBUG
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extern u32 lastread_a, lastread_d[16], lastwrite_cyc_d[16];
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@ -71,7 +64,7 @@ static u32 m68k_reg_read16(u32 a)
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d = Read_CDC_Host(0);
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goto end;
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case 0xA:
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dprintf("m68k FIXME: reserved read");
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elprintf(EL_UIO, "m68k FIXME: reserved read");
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goto end;
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case 0xC:
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d = Pico_mcd->m.timer_stopwatch >> 16;
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@ -85,11 +78,10 @@ static u32 m68k_reg_read16(u32 a)
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goto end;
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}
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dprintf("m68k_regs FIXME invalid read @ %02x", a);
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elprintf(EL_UIO, "m68k_regs FIXME invalid read @ %02x", a);
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end:
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// dprintf("ret = %04x", d);
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return d;
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}
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#endif
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@ -105,7 +97,7 @@ void m68k_reg_write8(u32 a, u32 d)
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switch (a) {
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case 0:
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d &= 1;
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if ((d&1) && (Pico_mcd->s68k_regs[0x33]&(1<<2))) { dprintf("m68k: s68k irq 2"); SekInterruptS68k(2); }
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if ((d&1) && (Pico_mcd->s68k_regs[0x33]&(1<<2))) { elprintf(EL_INTS, "m68k: s68k irq 2"); SekInterruptS68k(2); }
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return;
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case 1:
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d &= 3;
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@ -149,7 +141,7 @@ void m68k_reg_write8(u32 a, u32 d)
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#ifdef USE_POLL_DETECT
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if ((s68k_poll_adclk&0xfe) == 2 && s68k_poll_cnt > POLL_LIMIT) {
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SekSetStopS68k(0); s68k_poll_adclk = 0;
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plprintf("s68k poll release, a=%02x\n", a);
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elprintf(EL_CDPOLL, "s68k poll release, a=%02x\n", a);
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}
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#endif
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return;
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@ -169,7 +161,7 @@ void m68k_reg_write8(u32 a, u32 d)
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#ifdef USE_POLL_DETECT
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if ((s68k_poll_adclk&0xfe) == 0xe && s68k_poll_cnt > POLL_LIMIT) {
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SekSetStopS68k(0); s68k_poll_adclk = 0;
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plprintf("s68k poll release, a=%02x\n", a);
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elprintf(EL_CDPOLL, "s68k poll release, a=%02x\n", a);
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}
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#endif
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return;
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@ -180,13 +172,13 @@ void m68k_reg_write8(u32 a, u32 d)
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#ifdef USE_POLL_DETECT
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if ((a&0xfe) == (s68k_poll_adclk&0xfe) && s68k_poll_cnt > POLL_LIMIT) {
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SekSetStopS68k(0); s68k_poll_adclk = 0;
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plprintf("s68k poll release, a=%02x\n", a);
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elprintf(EL_CDPOLL, "s68k poll release, a=%02x\n", a);
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}
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#endif
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return;
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}
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dprintf("m68k FIXME: invalid write? [%02x] %02x", a, d);
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elprintf(EL_UIO, "m68k FIXME: invalid write? [%02x] %02x", a, d);
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}
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#ifndef _ASM_CD_MEMORY_C
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@ -195,6 +187,8 @@ static
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u32 s68k_poll_detect(u32 a, u32 d)
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{
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#ifdef USE_POLL_DETECT
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// needed mostly for Cyclone, which doesn't always check it's cycle counter
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if (SekIsStoppedS68k()) return d;
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// polling detection
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if (a == (s68k_poll_adclk&0xff)) {
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unsigned int clkdiff = SekCyclesDoneS68k() - (s68k_poll_adclk>>8);
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@ -203,7 +197,7 @@ u32 s68k_poll_detect(u32 a, u32 d)
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//printf("-- diff: %u, cnt = %i\n", clkdiff, s68k_poll_cnt);
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if (s68k_poll_cnt > POLL_LIMIT) {
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SekSetStopS68k(1);
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plprintf("s68k poll detected @ %06x, a=%02x\n", SekPcS68k, a);
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elprintf(EL_CDPOLL, "s68k poll detected @ %06x, a=%02x\n", SekPcS68k, a);
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}
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s68k_poll_adclk = (SekCyclesDoneS68k() << 8) | a;
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return d;
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@ -374,7 +368,7 @@ void s68k_reg_write8(u32 a, u32 d)
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if ((a&0x1f0) == 0x10 || (a >= 0x38 && a < 0x42))
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{
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dprintf("s68k FIXME: invalid write @ %02x?", a);
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elprintf(EL_UIO, "s68k FIXME: invalid write @ %02x?", a);
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return;
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}
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@ -410,7 +404,7 @@ static u32 OtherRead16End(u32 a, int realsize)
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goto end;
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}
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dprintf("m68k FIXME: unusual r%i: %06x @%06x", realsize&~1, (a&0xfffffe)+(realsize&1), SekPc);
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elprintf(EL_UIO, "m68k FIXME: unusual r%i: %06x @%06x", realsize&~1, (a&0xfffffe)+(realsize&1), SekPc);
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end:
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return d;
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@ -434,7 +428,7 @@ static void OtherWrite8End(u32 a, u32 d, int realsize)
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return;
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}
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dprintf("m68k FIXME: strange w%i: [%06x], %08x @%06x", realsize, a&0xffffff, d, SekPc);
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elprintf(EL_UIO, "m68k FIXME: strange w%i: [%06x], %08x @%06x", realsize, a&0xffffff, d, SekPc);
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}
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#define _CD_MEMORY_C
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@ -521,9 +515,7 @@ u32 PicoReadM68k8(u32 a)
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}
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#ifdef __debug_io
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dprintf("r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPc);
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#endif
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elprintf(EL_IO, "r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPc);
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#ifdef EMU_CORE_DEBUG
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if (a>=Pico.romsize) {
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lastread_a = a;
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@ -608,9 +600,7 @@ static u32 PicoReadM68k16(u32 a)
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}
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#ifdef __debug_io
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dprintf("r16: %06x, %04x @%06x", a&0xffffff, d, SekPc);
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#endif
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elprintf(EL_IO, "r16: %06x, %04x @%06x", a&0xffffff, d, SekPc);
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#ifdef EMU_CORE_DEBUG
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if (a>=Pico.romsize) {
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lastread_a = a;
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@ -704,9 +694,7 @@ static u32 PicoReadM68k32(u32 a)
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}
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#ifdef __debug_io
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dprintf("r32: %06x, %08x @%06x", a&0xffffff, d, SekPc);
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#endif
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elprintf(EL_IO, "r32: %06x, %08x @%06x", a&0xffffff, d, SekPc);
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#ifdef EMU_CORE_DEBUG
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if (a>=Pico.romsize) {
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lastread_a = a;
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@ -725,9 +713,7 @@ void PicoWriteM68k8(u32 a,u8 d);
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#else
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void PicoWriteM68k8(u32 a,u8 d)
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{
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#ifdef __debug_io
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dprintf("w8 : %06x, %02x @%06x", a&0xffffff, d, SekPc);
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#endif
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elprintf(EL_IO, "w8 : %06x, %02x @%06x", a&0xffffff, d, SekPc);
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#ifdef EMU_CORE_DEBUG
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lastwrite_cyc_d[lwp_cyc++&15] = d;
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#endif
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@ -778,9 +764,7 @@ void PicoWriteM68k16(u32 a,u16 d);
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#else
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static void PicoWriteM68k16(u32 a,u16 d)
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{
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#ifdef __debug_io
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dprintf("w16: %06x, %04x", a&0xffffff, d);
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#endif
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elprintf(EL_IO, "w16: %06x, %04x", a&0xffffff, d);
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#ifdef EMU_CORE_DEBUG
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lastwrite_cyc_d[lwp_cyc++&15] = d;
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#endif
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@ -824,7 +808,7 @@ static void PicoWriteM68k16(u32 a,u16 d)
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#ifdef USE_POLL_DETECT
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if ((s68k_poll_adclk&0xfe) == 0xe && s68k_poll_cnt > POLL_LIMIT) {
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SekSetStopS68k(0); s68k_poll_adclk = 0;
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plprintf("s68k poll release, a=%02x\n", a);
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elprintf(EL_CDPOLL, "s68k poll release, a=%02x\n", a);
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}
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#endif
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return;
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@ -850,9 +834,7 @@ void PicoWriteM68k32(u32 a,u32 d);
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#else
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static void PicoWriteM68k32(u32 a,u32 d)
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{
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#ifdef __debug_io
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dprintf("w32: %06x, %08x", a&0xffffff, d);
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#endif
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elprintf(EL_IO, "w32: %06x, %08x", a&0xffffff, d);
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#ifdef EMU_CORE_DEBUG
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lastwrite_cyc_d[lwp_cyc++&15] = d;
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#endif
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@ -968,7 +950,6 @@ static u32 PicoReadS68k8(u32 a)
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d = Pico_mcd->word_ram1M[bank][((a>>1)^1)&0x1ffff];
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if (a&1) d &= 0x0f;
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else d >>= 4;
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dprintf("FIXME: decode");
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} else {
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// allow access in any mode, like Gens does
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d = Pico_mcd->word_ram2M[(a^1)&0x3ffff];
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@ -991,7 +972,7 @@ static u32 PicoReadS68k8(u32 a)
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// PCM
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if ((a&0xff8000)==0xff0000) {
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dprintf("s68k_pcm r8: [%06x] @%06x", a, SekPcS68k);
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elprintf(EL_IO, "s68k_pcm r8: [%06x] @%06x", a, SekPcS68k);
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a &= 0x7fff;
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if (a >= 0x2000)
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d = Pico_mcd->pcm_ram_b[Pico_mcd->pcm.bank][(a>>1)&0xfff];
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@ -1000,7 +981,7 @@ static u32 PicoReadS68k8(u32 a)
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d = Pico_mcd->pcm.ch[a>>2].addr >> PCM_STEP_SHIFT;
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if (a & 2) d >>= 8;
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}
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dprintf("ret = %02x", (u8)d);
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elprintf(EL_IO, "ret = %02x", (u8)d);
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goto end;
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}
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@ -1010,13 +991,11 @@ static u32 PicoReadS68k8(u32 a)
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goto end;
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}
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dprintf("s68k r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPcS68k);
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elprintf(EL_UIO, "s68k r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPcS68k);
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end:
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#ifdef __debug_io2
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dprintf("s68k r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPcS68k);
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#endif
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elprintf(EL_IO, "s68k r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPcS68k);
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#ifdef EMU_CORE_DEBUG
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lastread_a = ab;
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lastread_d[lrp_cyc++&15] = d;
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@ -1064,7 +1043,6 @@ static u32 PicoReadS68k16(u32 a)
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int bank = (Pico_mcd->s68k_regs[3]&1)^1;
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d = Pico_mcd->word_ram1M[bank][((a>>1)^1)&0x1ffff];
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d |= d << 4; d &= ~0xf0;
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dprintf("FIXME: decode");
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} else {
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// allow access in any mode, like Gens does
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d = *(u16 *)(Pico_mcd->word_ram2M+(a&0x3fffe));
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@ -1110,13 +1088,11 @@ static u32 PicoReadS68k16(u32 a)
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goto end;
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}
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dprintf("s68k r16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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elprintf(EL_UIO, "s68k r16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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end:
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#ifdef __debug_io2
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dprintf("s68k r16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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#endif
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elprintf(EL_IO, "s68k r16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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#ifdef EMU_CORE_DEBUG
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lastread_a = ab;
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lastread_d[lrp_cyc++&15] = d;
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@ -1220,13 +1196,11 @@ static u32 PicoReadS68k32(u32 a)
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goto end;
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}
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dprintf("s68k r32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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elprintf(EL_UIO, "s68k r32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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end:
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#ifdef __debug_io2
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dprintf("s68k r32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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#endif
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elprintf(EL_IO, "s68k r32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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#ifdef EMU_CORE_DEBUG
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if (ab > 0x78) { // not vectors and stuff
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lastread_a = ab;
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@ -1296,9 +1270,7 @@ void PicoWriteS68k8(u32 a,u8 d);
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#else
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static void PicoWriteS68k8(u32 a,u8 d)
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{
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#ifdef __debug_io2
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dprintf("s68k w8 : %06x, %02x @%06x", a&0xffffff, d, SekPcS68k);
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#endif
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elprintf(EL_IO, "s68k w8 : %06x, %02x @%06x", a&0xffffff, d, SekPcS68k);
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a&=0xffffff;
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@ -1366,7 +1338,7 @@ static void PicoWriteS68k8(u32 a,u8 d)
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return;
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}
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dprintf("s68k w8 : %06x, %02x @%06x", a&0xffffff, d, SekPcS68k);
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elprintf(EL_UIO, "s68k w8 : %06x, %02x @%06x", a&0xffffff, d, SekPcS68k);
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}
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#endif
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@ -1376,9 +1348,7 @@ void PicoWriteS68k16(u32 a,u16 d);
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#else
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static void PicoWriteS68k16(u32 a,u16 d)
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{
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#ifdef __debug_io2
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dprintf("s68k w16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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#endif
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elprintf(EL_IO, "s68k w16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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a&=0xfffffe;
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@ -1456,7 +1426,7 @@ static void PicoWriteS68k16(u32 a,u16 d)
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return;
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}
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dprintf("s68k w16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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elprintf(EL_UIO, "s68k w16: %06x, %04x @%06x", a&0xffffff, d, SekPcS68k);
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}
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#endif
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@ -1466,9 +1436,7 @@ void PicoWriteS68k32(u32 a,u32 d);
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#else
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static void PicoWriteS68k32(u32 a,u32 d)
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{
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#ifdef __debug_io2
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dprintf("s68k w32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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#endif
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elprintf(EL_IO, "s68k w32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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a&=0xfffffe;
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@ -1558,7 +1526,7 @@ static void PicoWriteS68k32(u32 a,u32 d)
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return;
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}
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dprintf("s68k w32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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elprintf(EL_UIO, "s68k w32: %06x, %08x @%06x", a&0xffffff, d, SekPcS68k);
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}
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#endif
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@ -1586,7 +1554,7 @@ static __inline int PicoMemBaseM68k(u32 pc)
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}
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// Error - Program Counter is invalid
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dprintf("m68k FIXME: unhandled jump to %06x", pc);
|
||||
elprintf(EL_ANOMALY, "m68k FIXME: unhandled jump to %06x", pc);
|
||||
|
||||
return (int)Pico_mcd->bios;
|
||||
}
|
||||
|
|
@ -1617,7 +1585,7 @@ static __inline int PicoMemBaseS68k(u32 pc)
|
|||
}
|
||||
|
||||
// Error - Program Counter is invalid
|
||||
dprintf("s68k FIXME: unhandled jump to %06x", pc);
|
||||
elprintf(EL_ANOMALY, "s68k FIXME: unhandled jump to %06x", pc);
|
||||
|
||||
return (int)Pico_mcd->prg_ram;
|
||||
}
|
||||
|
|
@ -1658,7 +1626,6 @@ void PicoMemResetCD(int r3)
|
|||
|
||||
PICO_INTERNAL void PicoMemSetupCD(void)
|
||||
{
|
||||
dprintf("PicoMemSetupCD()");
|
||||
#ifdef EMU_C68K
|
||||
// Setup m68k memory callbacks:
|
||||
PicoCpuCM68k.checkpc=PicoCheckPcM68k;
|
||||
|
|
@ -1757,7 +1724,7 @@ unsigned int m68k_read_pcrelative_CD8 (unsigned int a)
|
|||
int bank = (Pico_mcd->s68k_regs[3]&1)^1;
|
||||
return *(u8 *)(Pico_mcd->word_ram1M[bank]+((a^1)&0x1ffff));
|
||||
}
|
||||
dprintf("s68k_read_pcrelative_CD8 FIXME: can't handle %06x", a);
|
||||
elprintf(EL_ANOMALY, "s68k_read_pcrelative_CD8 FIXME: can't handle %06x", a);
|
||||
} else {
|
||||
if((a&0xe00000)==0xe00000) return *(u8 *)(Pico.ram+((a^1)&0xffff)); // Ram
|
||||
if(a<0x20000) return *(u8 *)(Pico.rom+(a^1)); // Bios
|
||||
|
|
@ -1769,7 +1736,7 @@ unsigned int m68k_read_pcrelative_CD8 (unsigned int a)
|
|||
return *(u8 *)(Pico_mcd->word_ram1M[bank]+((a^1)&0x1ffff));
|
||||
}
|
||||
}
|
||||
dprintf("m68k_read_pcrelative_CD8 FIXME: can't handle %06x", a);
|
||||
elprintf(EL_ANOMALY, "m68k_read_pcrelative_CD8 FIXME: can't handle %06x", a);
|
||||
}
|
||||
return 0;//(u8) lastread_d;
|
||||
}
|
||||
|
|
@ -1784,7 +1751,7 @@ unsigned int m68k_read_pcrelative_CD16(unsigned int a)
|
|||
int bank = (Pico_mcd->s68k_regs[3]&1)^1;
|
||||
return *(u16 *)(Pico_mcd->word_ram1M[bank]+(a&0x1fffe));
|
||||
}
|
||||
dprintf("s68k_read_pcrelative_CD16 FIXME: can't handle %06x", a);
|
||||
elprintf(EL_ANOMALY, "s68k_read_pcrelative_CD16 FIXME: can't handle %06x", a);
|
||||
} else {
|
||||
if((a&0xe00000)==0xe00000) return *(u16 *)(Pico.ram+(a&0xfffe)); // Ram
|
||||
if(a<0x20000) return *(u16 *)(Pico.rom+(a&~1)); // Bios
|
||||
|
|
@ -1796,7 +1763,7 @@ unsigned int m68k_read_pcrelative_CD16(unsigned int a)
|
|||
return *(u16 *)(Pico_mcd->word_ram1M[bank]+(a&0x1fffe));
|
||||
}
|
||||
}
|
||||
dprintf("m68k_read_pcrelative_CD16 FIXME: can't handle %06x", a);
|
||||
elprintf(EL_ANOMALY, "m68k_read_pcrelative_CD16 FIXME: can't handle %06x", a);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1813,7 +1780,7 @@ unsigned int m68k_read_pcrelative_CD32(unsigned int a)
|
|||
pm=(u16 *)(Pico_mcd->word_ram1M[bank]+(a&0x1fffe));
|
||||
return (pm[0]<<16)|pm[1];
|
||||
}
|
||||
dprintf("s68k_read_pcrelative_CD32 FIXME: can't handle %06x", a);
|
||||
elprintf(EL_ANOMALY, "s68k_read_pcrelative_CD32 FIXME: can't handle %06x", a);
|
||||
} else {
|
||||
if((a&0xe00000)==0xe00000) { u16 *pm=(u16 *)(Pico.ram+(a&0xfffe)); return (pm[0]<<16)|pm[1]; } // Ram
|
||||
if(a<0x20000) { u16 *pm=(u16 *)(Pico.rom+(a&~1)); return (pm[0]<<16)|pm[1]; }
|
||||
|
|
@ -1826,7 +1793,7 @@ unsigned int m68k_read_pcrelative_CD32(unsigned int a)
|
|||
return (pm[0]<<16)|pm[1];
|
||||
}
|
||||
}
|
||||
dprintf("m68k_read_pcrelative_CD32 FIXME: can't handle %06x", a);
|
||||
elprintf(EL_ANOMALY, "m68k_read_pcrelative_CD32 FIXME: can't handle %06x", a);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue