mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
dualcore integration in famc, bram cart C code, psp bugfixes
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@294 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
4b167c12c7
commit
8022f53da6
15 changed files with 160 additions and 42 deletions
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@ -41,7 +41,7 @@ static int otherRun(void)
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CycloneRun(&PicoCpuCM68k);
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return 1-PicoCpuCM68k.cycles;
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#elif defined(EMU_F68K)
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return fm68k_emulate(1);
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return fm68k_emulate(1, 0);
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#endif
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}
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@ -213,7 +213,7 @@ static __inline void SekRunM68k(int cyc)
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#elif defined(EMU_M68K)
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SekCycleCnt+=m68k_execute(cyc_do);
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#elif defined(EMU_F68K)
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SekCycleCnt+=fm68k_emulate(cyc_do+1);
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SekCycleCnt+=fm68k_emulate(cyc_do+1, 0);
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#endif
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}
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@ -230,7 +230,7 @@ static __inline void SekStep(void)
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#elif defined(EMU_M68K)
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SekCycleCnt+=m68k_execute(1);
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#elif defined(EMU_F68K)
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SekCycleCnt+=fm68k_emulate(1);
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SekCycleCnt+=fm68k_emulate(1, 0);
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#endif
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SekCycleAim=realaim;
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}
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@ -392,6 +392,24 @@ static u32 OtherRead16End(u32 a, int realsize)
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goto end;
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}
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if (a==0x400000) {
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if (SRam.data != NULL) d=3; // 64k cart
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goto end;
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}
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if ((a&0xfe0000)==0x600000) {
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if (SRam.data != NULL) {
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d=SRam.data[((a>>1)&0xffff)+0x2000];
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if (realsize == 8) d|=d<<8;
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}
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goto end;
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}
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if (a==0x7ffffe) {
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d=Pico_mcd->m.bcram_reg;
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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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end:
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@ -403,6 +421,19 @@ static void OtherWrite8End(u32 a, u32 d, int realsize)
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{
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if ((a&0xffffc0)==0xa12000) { m68k_reg_write8(a, d); return; }
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if ((a&0xfe0000)==0x600000) {
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if (SRam.data != NULL && (Pico_mcd->m.bcram_reg&1)) {
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SRam.data[((a>>1)&0xffff)+0x2000]=d;
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SRam.changed = 1;
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}
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return;
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}
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if (a==0x7fffff) {
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Pico_mcd->m.bcram_reg=d;
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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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}
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@ -381,7 +381,7 @@ PicoWriteS68k32: @ u32 a, u32 d
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add r2, r2, #0x110000
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add r2, r2, #0x002200
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.if \is_read
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ldrb r0, [r2, #0x18]
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ldrb r0, [r2, #0x18] @ Pico_mcd->m.bcram_reg
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.else
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strb r1, [r2, #0x18]
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.endif
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@ -99,7 +99,7 @@ static __inline void SekRunM68k(int cyc)
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SekCycleCnt+=m68k_execute(cyc_do);
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#elif defined(EMU_F68K)
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g_m68kcontext=&PicoCpuFM68k;
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SekCycleCnt+=fm68k_emulate(cyc_do);
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SekCycleCnt+=fm68k_emulate(cyc_do, 0);
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#endif
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}
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@ -119,15 +119,22 @@ static __inline void SekRunS68k(int cyc)
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SekCycleCntS68k+=m68k_execute(cyc_do);
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#elif defined(EMU_F68K)
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g_m68kcontext=&PicoCpuFS68k;
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SekCycleCntS68k+=fm68k_emulate(cyc_do);
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SekCycleCntS68k+=fm68k_emulate(cyc_do, 0);
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#endif
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}
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#define PS_STEP_M68K ((488<<16)/20) // ~24
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//#define PS_STEP_S68K 13
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#ifdef _ASM_CD_PICO_C
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void SekRunPS(int cyc_m68k, int cyc_s68k);
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#if defined(_ASM_CD_PICO_C)
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extern void SekRunPS(int cyc_m68k, int cyc_s68k);
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#elif defined(EMU_F68K)
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static __inline void SekRunPS(int cyc_m68k, int cyc_s68k)
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{
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SekCycleAim+=cyc_m68k;
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SekCycleAimS68k+=cyc_s68k;
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fm68k_emulate(0, 1);
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}
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#else
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static __inline void SekRunPS(int cyc_m68k, int cyc_s68k)
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{
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@ -152,7 +159,7 @@ static __inline void SekRunPS(int cyc_m68k, int cyc_s68k)
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SekCycleCnt += m68k_execute(cyc_do);
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#elif defined(EMU_F68K)
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g_m68kcontext = &PicoCpuFM68k;
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SekCycleCnt += fm68k_emulate(cyc_do);
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SekCycleCnt += fm68k_emulate(cyc_do, 0);
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#endif
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}
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if ((cyc_do = SekCycleAimS68k-SekCycleCntS68k-cycn_s68k) > 0) {
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@ -165,7 +172,7 @@ static __inline void SekRunPS(int cyc_m68k, int cyc_s68k)
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SekCycleCntS68k += m68k_execute(cyc_do);
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#elif defined(EMU_F68K)
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g_m68kcontext = &PicoCpuFS68k;
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SekCycleCntS68k += fm68k_emulate(cyc_do);
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SekCycleCntS68k += fm68k_emulate(cyc_do, 0);
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#endif
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}
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}
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@ -3,8 +3,6 @@
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#include "../PicoInt.h"
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//#include <stdlib.h>
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int PicoCDBuffers = 0;
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static unsigned char *cd_buffer = NULL;
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static int prev_lba = 0x80000000;
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@ -27,7 +25,7 @@ void PicoCDBufferInit(void)
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/* try alloc'ing until we succeed */
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while (PicoCDBuffers > 0)
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{
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tmp = realloc(cd_buffer, PicoCDBuffers * 2048);
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tmp = realloc(cd_buffer, PicoCDBuffers * 2048 + 304);
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if (tmp != NULL) break;
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PicoCDBuffers >>= 1;
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}
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@ -104,11 +102,18 @@ PICO_INTERNAL void PicoCDBufferRead(void *dest, int lba)
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if (is_bin)
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{
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int i;
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for (i = 0; i < read_len; i++)
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int i = 0;
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#if REDUCE_IO_CALLS
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int bufs = (read_len*2048+304) / (2048+304);
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pm_read(cd_buffer, bufs*(2048+304), Pico_mcd->TOC.Tracks[0].F);
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for (i = 1; i < bufs; i++)
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// should really use memmove here, but my memcpy32 implementation is also suitable here
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memcpy32((int *)(cd_buffer + i*2048), (int *)(cd_buffer + i*(2048+304)), 2048/4);
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#endif
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for (; i < read_len; i++)
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{
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pm_read(cd_buffer + i*2048, 2048, Pico_mcd->TOC.Tracks[0].F);
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pm_seek(Pico_mcd->TOC.Tracks[0].F, 304, SEEK_CUR);
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pm_read(cd_buffer + i*2048, 2048 + 304, Pico_mcd->TOC.Tracks[0].F);
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// pm_seek(Pico_mcd->TOC.Tracks[0].F, 304, SEEK_CUR); // seeking is slower, in PSP case even more
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}
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}
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else
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@ -134,7 +134,7 @@ extern M68K_CONTEXT *g_m68kcontext;
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/* General purpose functions */
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void fm68k_init(void);
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int fm68k_reset(void);
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int fm68k_emulate(int n);
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int fm68k_emulate(int n, int dualcore);
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int fm68k_would_interrupt(void); // to be called from fm68k_emulate()
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unsigned fm68k_get_pc(M68K_CONTEXT *context);
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@ -20,7 +20,7 @@
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#define FAMEC_CHECK_BRANCHES
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#define FAMEC_EXTRA_INLINE
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// #define FAMEC_DEBUG
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#define FAMEC_NO_GOTOS
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//#define FAMEC_NO_GOTOS
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#define FAMEC_ADR_BITS 24
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// #define FAMEC_FETCHBITS 8
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#define FAMEC_DATABITS 8
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@ -523,7 +523,7 @@ static u32 flag_I;
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static u32 initialised = 0;
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#ifdef PICODRIVE_HACK
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extern M68K_CONTEXT PicoCpuFS68k;
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extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k;
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#endif
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/* Custom function handler */
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@ -624,7 +624,7 @@ void fm68k_init(void)
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#endif
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if (!initialised)
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fm68k_emulate(0);
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fm68k_emulate(0, 0);
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#ifdef FAMEC_DEBUG
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puts("FAME initialized.");
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@ -643,7 +643,7 @@ void fm68k_init(void)
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int fm68k_reset(void)
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{
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if (!initialised)
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fm68k_emulate(0);
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fm68k_emulate(0, 0);
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// Si la CPU esta en ejecucion, salir con M68K_RUNNING
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if (m68kcontext.execinfo & M68K_RUNNING)
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@ -771,7 +771,7 @@ static void setup_jumptable(void);
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// main exec function
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//////////////////////
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int fm68k_emulate(s32 cycles)
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int fm68k_emulate(s32 cycles, int dualcore)
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{
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#ifndef FAMEC_NO_GOTOS
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u32 Opcode;
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@ -795,6 +795,11 @@ int fm68k_emulate(s32 cycles)
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#endif
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}
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#ifdef PICODRIVE_HACK
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if (dualcore) goto dualcore_mode;
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famec_restart:
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#endif
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// won't emulate double fault
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// if (m68kcontext.execinfo & M68K_FAULTED) return -1;
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@ -935,8 +940,61 @@ famec_End:
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printf("pc: 0x%08x\n",m68kcontext.pc);
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#endif
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#ifdef PICODRIVE_HACK
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if (!dualcore)
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#endif
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return cycles - m68kcontext.io_cycle_counter;
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#ifdef PICODRIVE_HACK
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dualcore_mode:
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{
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extern int SekCycleAim, SekCycleCnt, SekCycleAimS68k, SekCycleCntS68k;
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#define PS_STEP_M68K ((488<<16)/20) // ~24
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if (dualcore == 1)
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{
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dualcore = (488<<16); // ~ cycn in Pico.c
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// adjust for first iteration
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g_m68kcontext = &PicoCpuFS68k;
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cycles = m68kcontext.io_cycle_counter = 0;
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}
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if (g_m68kcontext == &PicoCpuFS68k)
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{
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SekCycleCntS68k += cycles - m68kcontext.io_cycle_counter;
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// end?
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dualcore -= PS_STEP_M68K;
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if (dualcore < 0) return 0;
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// become main 68k
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g_m68kcontext = &PicoCpuFM68k;
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if ((cycles = SekCycleAim-SekCycleCnt-(dualcore>>16)) > 0)
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{
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if ((m68kcontext.execinfo & FM68K_HALTED) && m68kcontext.interrupts[0] <= (M68K_PPL))
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SekCycleCnt += cycles; // halted
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else goto famec_restart;
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//else { printf("go main %i\n", cycles); goto famec_restart; }
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}
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cycles = m68kcontext.io_cycle_counter = 0;
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}
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if (g_m68kcontext == &PicoCpuFM68k)
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{
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int cycn_s68k = (dualcore + dualcore/2 + dualcore/8) >> 16;
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SekCycleCnt += cycles - m68kcontext.io_cycle_counter;
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// become sub 68k
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g_m68kcontext = &PicoCpuFS68k;
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if ((cycles = SekCycleAimS68k-SekCycleCntS68k-cycn_s68k) > 0)
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{
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if ((m68kcontext.execinfo & FM68K_HALTED) && m68kcontext.interrupts[0] <= (M68K_PPL))
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SekCycleCntS68k += cycles; // halted
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else goto famec_restart;
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}
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cycles = m68kcontext.io_cycle_counter = 0;
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}
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goto dualcore_mode;
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}
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#endif
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#ifdef FAMEC_NO_GOTOS
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}
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@ -5,6 +5,7 @@
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#define CASE_SENSITIVE_FS 0
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#define DONT_OPEN_MANY_FILES 0
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#define REDUCE_IO_CALLS 0
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// draw.c
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#define OVERRIDE_HIGHCOL 1
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@ -217,9 +217,9 @@ readme.txt: ../../tools/textfilter ../base_readme.txt
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# cleanup
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clean: tidy
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@$(RM) PicoDrive.gpe
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$(RM) PicoDrive.gpe
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tidy:
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@$(RM) $(OBJS)
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$(RM) $(OBJS)
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# @make -C ../../cpu/Cyclone/proj -f Makefile.linux clean
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@ -5,6 +5,7 @@
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#define CASE_SENSITIVE_FS 1 // CS filesystem
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#define DONT_OPEN_MANY_FILES 0
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#define REDUCE_IO_CALLS 0
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// draw.c
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#define OVERRIDE_HIGHCOL 0
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@ -48,10 +48,10 @@ void emu_getMainDir(char *dst, int len)
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if (len > 0) *dst = 0;
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}
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static void osd_text(int x, const char *text, int is_active)
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static void osd_text(int x, const char *text, int is_active, int clear_all)
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{
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unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
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int len = strlen(text) * 8 / 2;
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int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
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int *p, h;
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void *tmp;
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for (h = 0; h < 8; h++) {
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@ -66,7 +66,7 @@ static void osd_text(int x, const char *text, int is_active)
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void emu_msg_cb(const char *msg)
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{
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osd_text(4, msg, 1);
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osd_text(4, msg, 1, 1);
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noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
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/* assumption: emu_msg_cb gets called only when something slow is about to happen */
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@ -149,7 +149,7 @@ void emu_setDefaultConfig(void)
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currentConfig.KeyBinds[30] = 1<<1;
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currentConfig.KeyBinds[31] = 1<<2;
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currentConfig.KeyBinds[29] = 1<<3;
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currentConfig.PicoCDBuffers = 0;
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currentConfig.PicoCDBuffers = 64;
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currentConfig.scaling = 1; // bilinear filtering for psp
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currentConfig.scale = 1.20; // fullscreen
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currentConfig.hscale40 = 1.25;
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@ -411,8 +411,8 @@ static void blit2(const char *fps, const char *notice, int lagging_behind)
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int vsync = 0, emu_opt = currentConfig.EmuOpt;
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if (notice || (emu_opt & 2)) {
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if (notice) osd_text(4, notice, 0);
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if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0);
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if (notice) osd_text(4, notice, 0, 0);
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if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
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}
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dbg_text();
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@ -567,8 +567,8 @@ static void sound_prepare(void)
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lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
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PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
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while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
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sceAudio_5C37C0AE();
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// while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
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// sceAudio_5C37C0AE();
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ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
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if (ret < 0) {
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lprintf("sceAudio_38553111() failed: %i\n", ret);
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@ -589,8 +589,19 @@ static void sound_prepare(void)
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static void sound_end(void)
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{
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int i;
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if (samples_done == 0)
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{
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// if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
|
||||
// we get a deadlock on next sceAudio_38553111 call
|
||||
// so this is yet another workaround:
|
||||
memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
|
||||
samples_made = samples_block * 3;
|
||||
sceKernelSignalSema(sound_sem, 1);
|
||||
}
|
||||
sceKernelDelayThread(100*1000);
|
||||
samples_made = samples_done = 0;
|
||||
while (sceAudioOutput2GetRestSample() > 0)
|
||||
for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
|
||||
psp_msleep(100);
|
||||
sceAudio_5C37C0AE();
|
||||
}
|
||||
|
|
@ -685,7 +696,7 @@ static void RunEvents(unsigned int which)
|
|||
|
||||
if (do_it)
|
||||
{
|
||||
osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1);
|
||||
osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
|
||||
PicoStateProgressCB = emu_msg_cb;
|
||||
emu_SaveLoadGame((which & 0x1000) >> 12, 0);
|
||||
PicoStateProgressCB = NULL;
|
||||
|
|
|
|||
|
|
@ -917,17 +917,20 @@ static void cd_menu_loop_options(void)
|
|||
char *bios, *p;
|
||||
|
||||
if (emu_findBios(4, &bios)) { // US
|
||||
for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
|
||||
for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--);
|
||||
if (*p == '/') p++;
|
||||
strncpy(bios_names.us, p, sizeof(bios_names.us)); bios_names.us[sizeof(bios_names.us)-1] = 0;
|
||||
} else strcpy(bios_names.us, "NOT FOUND");
|
||||
|
||||
if (emu_findBios(8, &bios)) { // EU
|
||||
for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
|
||||
for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--);
|
||||
if (*p == '/') p++;
|
||||
strncpy(bios_names.eu, p, sizeof(bios_names.eu)); bios_names.eu[sizeof(bios_names.eu)-1] = 0;
|
||||
} else strcpy(bios_names.eu, "NOT FOUND");
|
||||
|
||||
if (emu_findBios(1, &bios)) { // JP
|
||||
for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
|
||||
for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--);
|
||||
if (*p == '/') p++;
|
||||
strncpy(bios_names.jp, p, sizeof(bios_names.jp)); bios_names.jp[sizeof(bios_names.jp)-1] = 0;
|
||||
} else strcpy(bios_names.jp, "NOT FOUND");
|
||||
|
||||
|
|
|
|||
|
|
@ -104,7 +104,7 @@ static int read_next_frame(int which_buffer)
|
|||
}
|
||||
|
||||
if (frame_offset) {
|
||||
lprintf("unaligned, foffs=%i, offs=%i\n", mp3_src_pos - bytes_read, frame_offset);
|
||||
//lprintf("unaligned, foffs=%i, offs=%i\n", mp3_src_pos - bytes_read, frame_offset);
|
||||
memmove(mp3_src_buffer[which_buffer], mp3_src_buffer[which_buffer] + frame_offset, frame_size);
|
||||
}
|
||||
|
||||
|
|
@ -327,7 +327,7 @@ void mp3_start_play(FILE *f, int pos)
|
|||
lprintf("mp3_start_play(%s) @ %i\n", fname, pos);
|
||||
psp_sem_lock(thread_busy_sem);
|
||||
|
||||
if (mp3_fname != fname)
|
||||
if (mp3_fname != fname || mp3_handle < 0)
|
||||
{
|
||||
if (mp3_handle >= 0) sceIoClose(mp3_handle);
|
||||
mp3_handle = sceIoOpen(fname, PSP_O_RDONLY, 0777);
|
||||
|
|
|
|||
|
|
@ -4,7 +4,8 @@
|
|||
#define PORT_CONFIG_H
|
||||
|
||||
#define CASE_SENSITIVE_FS 0
|
||||
#define DONT_OPEN_MANY_FILES 1 // work around the stupid PSP 10 open file limit
|
||||
#define DONT_OPEN_MANY_FILES 1 // work around the stupid PSP ~10 open file limit
|
||||
#define REDUCE_IO_CALLS 1 // another workaround
|
||||
|
||||
// draw.c
|
||||
#define USE_BGR555 1
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue