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32x and sms savestates. Core-independent z80 state. SS bugfixing/refactoring.

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@868 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-01-27 16:30:41 +00:00
parent a736af3ecf
commit b4db550e41
19 changed files with 1116 additions and 848 deletions
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30
cpu/sh2/sh2.c
View file

@ -1,4 +1,6 @@
#include <string.h>
#include <stddef.h>
#include "sh2.h"
#include "../debug.h"
#include "compiler.h"
@ -85,3 +87,31 @@ void sh2_internal_irq(SH2 *sh2, int level, int vector)
sh2->test_irq = 1;
}
#define SH2_REG_SIZE (offsetof(SH2, macl) + sizeof(sh2->macl))
void sh2_pack(const SH2 *sh2, unsigned char *buff)
{
unsigned int *p;
memcpy(buff, sh2, SH2_REG_SIZE);
p = (void *)(buff + SH2_REG_SIZE);
p[0] = sh2->pending_int_irq;
p[1] = sh2->pending_int_vector;
p[2] = sh2->cycles_aim;
p[3] = sh2->cycles_done;
}
void sh2_unpack(SH2 *sh2, const unsigned char *buff)
{
unsigned int *p;
memcpy(sh2, buff, SH2_REG_SIZE);
p = (void *)(buff + SH2_REG_SIZE);
sh2->pending_int_irq = p[0];
sh2->pending_int_vector = p[1];
sh2->cycles_aim = p[2];
sh2->cycles_done = p[3];
}

5
cpu/sh2/sh2.h
View file

@ -64,9 +64,14 @@ void sh2_reset(SH2 *sh2);
void sh2_irl_irq(SH2 *sh2, int level, int nested_call);
void sh2_internal_irq(SH2 *sh2, int level, int vector);
void sh2_do_irq(SH2 *sh2, int level, int vector);
void sh2_pack(const SH2 *sh2, unsigned char *buff);
void sh2_unpack(SH2 *sh2, const unsigned char *buff);
void sh2_execute(SH2 *sh2, int cycles);
// regs, pending_int*, cycles, reserved
#define SH2_STATE_SIZE ((24 + 2 + 2 + 12) * 4)
// pico memhandlers
// XXX: move somewhere else
unsigned int REGPARM(2) p32x_sh2_read8(unsigned int a, SH2 *sh2);