view testgst.c @ 1971:80920c21bb52

Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents e9369d6f0101
children
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/*
 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 "gst.h"
#include <string.h>
#include <stdlib.h>

uint8_t busreq;
uint8_t reset;

void latch_mode(vdp_context * context)
{
}
void ym_data_write(ym2612_context * context, uint8_t value)
{
	if (context->selected_reg >= YM_REG_END) {
		return;
	}
	if (context->selected_part) {
		if (context->selected_reg < YM_PART2_START) {
			return;
		}
		context->part2_regs[context->selected_reg - YM_PART2_START] = value;
	} else {
		if (context->selected_reg < YM_PART1_START) {
			return;
		}
		context->part1_regs[context->selected_reg - YM_PART1_START] = value;
	}
}

void ym_address_write_part1(ym2612_context * context, uint8_t address)
{
	//printf("address_write_part1: %X\n", address);
	context->selected_reg = address;
	context->selected_part = 0;
}

void ym_address_write_part2(ym2612_context * context, uint8_t address)
{
	//printf("address_write_part2: %X\n", address);
	context->selected_reg = address;
	context->selected_part = 1;
}

uint16_t ram[64*1024];
uint8_t zram[8*1024];


int main(int argc, char ** argv)
{
	vdp_context vdp;
	ym2612_context ym;
	psg_context psg;
	m68k_context m68k;
	z80_context z80;
	genesis_context gen;
	if (argc < 3) {
		fputs("Usage: testgst infile outfile\n", stderr);
		return 1;
	}
	memset(&gen, 0, sizeof(gen));
	memset(&m68k, 0, sizeof(m68k));
	memset(&z80, 0, sizeof(z80));
	memset(&ym, 0, sizeof(ym));
	memset(&vdp, 0, sizeof(vdp));
	memset(&psg, 0, sizeof(psg));
	m68k.mem_pointers[1] = ram;
	z80.mem_pointers[0] = zram;
	vdp.vdpmem = malloc(VRAM_SIZE);
	gen.vdp = &vdp;
	gen.ym = &ym;
	gen.psg = &psg;
	gen.m68k = &m68k;
	gen.z80 = &z80;
	uint32_t pc = load_gst(&gen, argv[1]);
	save_gst(&gen, argv[2], pc);
	return 0;
}