view test_int_timing.c @ 1272:be509813b2f2

Fill in the rest of the framebuffer holes created by horizontal border. Work remains for things to be seemless when display gets turned on and off mid frame
author Michael Pavone <pavone@retrodev.com>
date Tue, 07 Mar 2017 20:17:12 -0800
parents aa6e0914dcd7
children
line wrap: on
line source

/*
 Copyright 2017 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 <stdio.h>
#include "vdp.h"

int headless = 1;

uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
{
	return 0;
}

uint16_t read_dma_value(uint32_t address)
{
	return 0;
}

uint32_t *render_get_framebuffer(uint8_t which, int *pitch)
{
	*pitch = 0;
	return NULL;
}

void render_framebuffer_updated(uint8_t which, int width)
{
}

void warning(char *format, ...)
{
}


int main(int argc, char **argv)
{
	vdp_context context;
	int ret = 0;
	init_vdp_context(&context, 0);
	vdp_control_port_write(&context, 0x8000 | BIT_PAL_SEL);
	vdp_control_port_write(&context, 0x8100 | BIT_DISP_EN | BIT_VINT_EN | BIT_MODE_5);
	puts("Testing H32 Mode");
	while (!(context.flags2 & FLAG2_VINT_PENDING))
	{
		vdp_run_context(&context, context.cycles + 1);
	}
	vdp_int_ack(&context);
	uint32_t vint_cycle = vdp_next_vint(&context);
	while (!(context.flags2 & FLAG2_VINT_PENDING))
	{
		vdp_run_context(&context, context.cycles + 1);
		uint32_t vint_cycle2 = vdp_next_vint(&context);
		if (vint_cycle2 != vint_cycle) {
			printf("VINT Cycle changed from %d to %d @ line %d, slot %d\n", vint_cycle, vint_cycle2, context.vcounter, context.hslot);;
			ret = 1;
			vint_cycle = vint_cycle2;
		}
	}
	vdp_int_ack(&context);
	puts("Testing H40 Mode");
	vdp_control_port_write(&context, 0x8C81);
	while (!(context.flags2 & FLAG2_VINT_PENDING))
	{
		vdp_run_context(&context, context.cycles + 1);
	}
	vdp_int_ack(&context);
	vint_cycle = vdp_next_vint(&context);
	while (!(context.flags2 & FLAG2_VINT_PENDING))
	{
		vdp_run_context(&context, context.cycles + 1);
		uint32_t vint_cycle2 = vdp_next_vint(&context);
		if (vint_cycle2 != vint_cycle) {
			printf("VINT Cycle changed from %d to %d @ line %d, slot %d\n", vint_cycle, vint_cycle2, context.vcounter, context.hslot);;
			ret = 1;
			vint_cycle = vint_cycle2;
		}
	}
	vdp_int_ack(&context);
	puts("Testing Mode 4");
	vdp_control_port_write(&context, 0x8C00);
	vdp_control_port_write(&context, 0x8100 | BIT_DISP_EN | BIT_VINT_EN);
	while (!(context.flags2 & FLAG2_VINT_PENDING))
	{
		vdp_run_context(&context, context.cycles + 1);
	}
	context.flags2 &= ~FLAG2_VINT_PENDING;
	vint_cycle = vdp_next_vint(&context);
	while (!(context.flags2 & FLAG2_VINT_PENDING))
	{
		vdp_run_context(&context, context.cycles + 1);
		uint32_t vint_cycle2 = vdp_next_vint(&context);
		if (vint_cycle2 != vint_cycle) {
			printf("VINT Cycle changed from %d to %d @ line %d, slot %d\n", vint_cycle, vint_cycle2, context.vcounter, context.hslot);;
			ret = 1;
			vint_cycle = vint_cycle2;
		}
	}
	printf("Result: %s\n", ret ? "failure" : "success");
	return ret;
}