snes9x/apu/bapu/smp/smp_state.cpp

198 lines
3.5 KiB
C++

#include "../snes/snes.hpp"
#include <stdio.h>
typedef struct spc_file {
uint8 header[33];
uint8 idtag[3];
uint8 version_minor;
uint8 pc_low;
uint8 pc_high;
uint8 a;
uint8 x;
uint8 y;
uint8 psw;
uint8 sp;
uint8 unused_a[2];
uint8 id666[210];
uint8 apuram[65536];
uint8 dsp_registers[128];
uint8 unused_b[64];
uint8 iplrom[64];
} spc_file;
namespace SNES {
#include "../dsp/blargg_endian.h"
void SMP::save_spc (uint8 *block) {
spc_file out;
const char *header = "SNES-SPC700 Sound File Data v0.30";
memcpy (out.header, header, 33);
out.idtag[0] = out.idtag[1] = 26;
out.idtag[2] = 27;
out.version_minor = 30;
out.pc_low = regs.pc & 0xff;
out.pc_high = (regs.pc >> 8) & 0xff;
out.a = regs.B.a;
out.x = regs.x;
out.y = regs.B.y;
out.psw = (uint8) ((unsigned) regs.p);
out.sp = regs.sp;
out.unused_a[0] = out.unused_a[1] = 0;
memset (out.id666, 0, 210);
memcpy (out.apuram, apuram, 65536);
for (int i = 0xf2; i <= 0xf9; i++)
{
out.apuram[i] = mmio_read (i);
}
for (int i = 0xfd; i <= 0xff; i++)
{
out.apuram[i] = mmio_read (i);
}
for (int i = 0; i < 128; i++)
{
out.dsp_registers[i] = dsp.read (i);
}
memset (out.unused_b, 0, 64);
memcpy (out.iplrom, iplrom, 64);
memcpy (block, &out, 66048);
}
void SMP::save_state(uint8 **block) {
uint8 *ptr = *block;
memcpy(ptr, apuram, 64 * 1024);
ptr += 64 * 1024;
#undef INT32
#define INT32(i) set_le32(ptr, (i)); ptr += sizeof(int32)
INT32(clock);
INT32(opcode_number);
INT32(opcode_cycle);
INT32(regs.pc);
INT32(regs.sp);
INT32(regs.B.a);
INT32(regs.x);
INT32(regs.B.y);
INT32(regs.p.n);
INT32(regs.p.v);
INT32(regs.p.p);
INT32(regs.p.b);
INT32(regs.p.h);
INT32(regs.p.i);
INT32(regs.p.z);
INT32(regs.p.c);
INT32(status.iplrom_enable);
INT32(status.dsp_addr);
INT32(status.ram00f8);
INT32(status.ram00f9);
INT32(timer0.enable);
INT32(timer0.target);
INT32(timer0.stage1_ticks);
INT32(timer0.stage2_ticks);
INT32(timer0.stage3_ticks);
INT32(timer1.enable);
INT32(timer1.target);
INT32(timer1.stage1_ticks);
INT32(timer1.stage2_ticks);
INT32(timer1.stage3_ticks);
INT32(timer2.enable);
INT32(timer2.target);
INT32(timer2.stage1_ticks);
INT32(timer2.stage2_ticks);
INT32(timer2.stage3_ticks);
INT32(rd);
INT32(wr);
INT32(dp);
INT32(sp);
INT32(ya);
INT32(bit);
*block = ptr;
}
void SMP::load_state(uint8 **block) {
uint8 *ptr = *block;
memcpy(apuram, ptr, 64 * 1024);
ptr += 64 * 1024;
#undef INT32
#define INT32(i) i = get_le32(ptr); ptr += sizeof(int32)
INT32(clock);
INT32(opcode_number);
INT32(opcode_cycle);
INT32(regs.pc);
INT32(regs.sp);
INT32(regs.B.a);
INT32(regs.x);
INT32(regs.B.y);
INT32(regs.p.n);
INT32(regs.p.v);
INT32(regs.p.p);
INT32(regs.p.b);
INT32(regs.p.h);
INT32(regs.p.i);
INT32(regs.p.z);
INT32(regs.p.c);
INT32(status.iplrom_enable);
INT32(status.dsp_addr);
INT32(status.ram00f8);
INT32(status.ram00f9);
INT32(timer0.enable);
INT32(timer0.target);
INT32(timer0.stage1_ticks);
INT32(timer0.stage2_ticks);
INT32(timer0.stage3_ticks);
INT32(timer1.enable);
INT32(timer1.target);
INT32(timer1.stage1_ticks);
INT32(timer1.stage2_ticks);
INT32(timer1.stage3_ticks);
INT32(timer2.enable);
INT32(timer2.target);
INT32(timer2.stage1_ticks);
INT32(timer2.stage2_ticks);
INT32(timer2.stage3_ticks);
INT32(rd);
INT32(wr);
INT32(dp);
INT32(sp);
INT32(ya);
INT32(bit);
*block = ptr;
}
} // namespace SNES