Mercurial > repos > blastem
view test_int_timing.c @ 1363:df6af7187b36
Fix to M68K interrupt latency for most instructions. Still needs some work for RAW_IMPL instructions besides move
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Fri, 19 May 2017 20:27:35 -0700 |
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; }