Mercurial > repos > blastem
view test.c @ 1863:d60f2d7c02a5
Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 14 May 2019 23:20:35 -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; }