view test_x86.c @ 1925:039553703c20

Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author Michael Pavone <pavone@retrodev.com>
date Mon, 13 Apr 2020 20:43:25 -0700
parents 9b7fcf748be0
children
line wrap: on
line source

/*
 Copyright 2013 Michael Pavone
 This file is part of BlastEm.
 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/
#include "gen_x86.h"
#include "m68k_core.h"
#include <stdio.h>
#include <stddef.h>

int main(int argc, char ** argv)
{
	uint8_t foo[512];
	uint8_t *cur = foo, *end;
	cur = mov_rr(cur, RAX, RBX, SZ_B);
	cur = mov_rr(cur, RCX, RDX, SZ_B);
	cur = mov_rr(cur, R8, R9, SZ_B);
	cur = mov_rr(cur, R8, RAX, SZ_B);
	cur = mov_rr(cur, RAX, RBX, SZ_W);
	cur = mov_rr(cur, R11, R12, SZ_W);
	cur = mov_rr(cur, RAX, RBX, SZ_D);
	cur = mov_rr(cur, RAX, RBX, SZ_Q);
	cur = mov_ir(cur, 5, RAX, SZ_D);
	cur = mov_ir(cur, 3, R8, SZ_D);
	cur = mov_ir(cur, 4, RSP, SZ_B);
	cur = add_rr(cur, RAX, RBX, SZ_D);
	cur = add_ir(cur, 5, RAX, SZ_B);
	cur = add_ir(cur, 5, RBX, SZ_B);
	cur = add_ir(cur, 5, RBP, SZ_B);
	cur = pushf(cur);
	cur = popf(cur);
	cur = setcc_r(cur, CC_S, RBX);
	cur = setcc_r(cur, CC_Z, RDX);
	cur = setcc_r(cur, CC_O, BH);
	cur = setcc_r(cur, CC_C, DH);
	cur = setcc_rind(cur, CC_C, RSI);
	cur = mov_rrdisp8(cur, RCX, RSI, offsetof(m68k_context, dregs) + 4 * sizeof(uint32_t), SZ_D);
	cur = mov_rdisp8r(cur, RSI, offsetof(m68k_context, dregs) + 5 * sizeof(uint32_t), RCX, SZ_D);
	cur = mov_rrind(cur, DH, RSI, SZ_B);
	cur = jcc(cur, CC_NZ, -2);
	cur = jcc(cur, CC_Z, 0);
	cur = jcc(cur, CC_LE, 0x7CA);
	for (end = cur, cur = foo; cur != end; cur++) {
		printf(" %X", *cur);
	}
	puts("");
	return 0;
}