Mercurial > repos > blastem
view test.c @ 1337:d092c15246a3
Initial stab at horizontal border when VDP test register layer selection is in effect for H40. Extended horizontal borders in Titancade scene and ninja escape scene mostly correct now
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 29 Apr 2017 16:51:57 -0700 |
parents | 15d9359fd771 |
children |
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#include <stdint.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include "vdp.h" int headless = 1; uint16_t read_dma_value(uint32_t address) { return 0; } uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b) { return 0; } void render_alloc_surfaces(vdp_context * context) { context->oddbuf = context->framebuf = malloc(512 * 256 * 4 * 2); memset(context->oddbuf, 0, 512 * 256 * 4 * 2); context->evenbuf = ((char *)context->oddbuf) + 512 * 256 * 4; } int check_hint_time(vdp_context * v_context) { uint32_t orig_hint_cycle = vdp_next_hint(v_context); uint32_t cur_hint_cycle; printf("hint cycle is %d at vcounter: %d, hslot: %d\n", orig_hint_cycle, v_context->vcounter, v_context->hslot); int res = 1; while ((cur_hint_cycle = vdp_next_hint(v_context)) > v_context->cycles) { if (cur_hint_cycle != orig_hint_cycle) { fprintf(stderr, "ERROR: hint cycle changed to %d at vcounter: %d, hslot: %d\n", cur_hint_cycle, v_context->vcounter, v_context->hslot); orig_hint_cycle = cur_hint_cycle; res = 0; } vdp_run_context(v_context, v_context->cycles + 1); } printf("hint fired at cycle: %d, vcounter: %d, hslot: %d\n", cur_hint_cycle, v_context->vcounter, v_context->hslot); vdp_int_ack(v_context, 4); return res; } int main(int argc, char ** argv) { vdp_context v_context; init_vdp_context(&v_context, 0); vdp_control_port_write(&v_context, 0x8144); vdp_control_port_write(&v_context, 0x8C81); vdp_control_port_write(&v_context, 0x8A7F); vdp_control_port_write(&v_context, 0x8014); v_context.hint_counter = 0x7F; v_context.vcounter = 128; v_context.hslot = 165; //check single shot behavior int res = check_hint_time(&v_context); //check every line behavior while (v_context.vcounter < 225) { vdp_run_context(&v_context, v_context.cycles + 1); } vdp_control_port_write(&v_context, 0x8A00); int hint_count = 0; while (res && v_context.vcounter != 224) { res = res && check_hint_time(&v_context); hint_count++; } if (res && hint_count != 225) { fprintf(stderr, "ERROR: hint count should be 225 but was %d instead\n", hint_count); res = 0; } return 0; }