Mercurial > repos > blastem
view test_int_timing.c @ 1356:4d16c09210fd
Fix resampling code to deal with case in which output frequency is greater than the input frequency. Probably could stand to be improved, but at least it doesn't cause the emulator to deadlock
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 11 May 2017 07:51:28 -0700 |
parents | aa6e0914dcd7 |
children |
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/* 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; }