Mercurial > repos > blastem
view blastcpm.c @ 1569:0ec89dadb36d
Add code for loading PNG images. Added 360 controller image. WIP work on gamepad mapping UI
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 19 Apr 2018 00:51:10 -0700 |
parents | 8f14767661fa |
children | 2455662378ed ca2336469397 |
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#include <stdio.h> #include <stdlib.h> #include <stddef.h> #include <string.h> #include <sys/select.h> #include "z80_to_x86.h" #include "util.h" uint8_t ram[64 * 1024]; #define START_OFF 0x100 #define OS_START 0xE400 #define OS_RESET 0xE403 int headless = 1; void z80_next_int_pulse(z80_context * context) { context->int_pulse_start = context->int_pulse_end = CYCLE_NEVER; } void render_errorbox(char *title, char *message) { } void render_infobox(char *title, char *message) { } void *console_write(uint32_t address, void *context, uint8_t value) { putchar(value); return context; } uint8_t console_read(uint32_t address, void *context) { return getchar(); } void *console_flush_write(uint32_t address, void *context, uint8_t value) { fflush(stdout); return context; } uint8_t console_status_read(uint32_t address, void *context) { fd_set read_fds; FD_ZERO(&read_fds); struct timeval timeout; timeout.tv_sec = 0; timeout.tv_usec = 0; FD_SET(fileno(stdin), &read_fds); return select(fileno(stdin)+1, &read_fds, NULL, NULL, &timeout) > 0; } void *exit_write(uint32_t address, void *context, uint8_t value) { exit(0); return context; } const memmap_chunk z80_map[] = { { 0x0000, 0x10000, 0xFFFF, 0, 0, MMAP_READ | MMAP_WRITE | MMAP_CODE, ram, NULL, NULL, NULL, NULL}, }; const memmap_chunk io_map[] = { { 0x0, 0x1, 0xFFFF, 0, 0, 0, NULL, NULL, NULL, console_read, console_write}, { 0x1, 0x2, 0xFFFF, 0, 0, 0, NULL, NULL, NULL, console_status_read, console_flush_write}, { 0x2, 0x3, 0xFFFF, 0, 0, 0, NULL, NULL, NULL, NULL, exit_write}, }; int main(int argc, char **argv) { FILE *f = fopen("fake_cpm.bin", "rb"); long fsize = file_size(f); if (fsize > sizeof(ram) - OS_START) { fsize = sizeof(ram) - OS_START; } if (fread(ram + OS_START, 1, fsize, f) != fsize) { fprintf(stderr, "Error reading from fake_cpm.bin\n"); exit(1); } f = fopen(argv[1], "rb"); fsize = file_size(f); if (fsize > OS_START - START_OFF) { fsize = OS_START - START_OFF; } if (fread(ram + START_OFF, 1, fsize, f) != fsize) { fprintf(stderr, "Error reading from file %s\n", argv[1]); exit(1); } fclose(f); ram[0] = 0xC3; ram[1] = OS_RESET & 0xFF; ram[2] = OS_RESET >> 8; ram[5] = 0xC3; ram[6] = OS_START & 0xFF; ram[7] = OS_START >> 8; z80_options opts; z80_context *context; init_z80_opts(&opts, z80_map, 1, io_map, 3, 1, 0xFF); context = init_z80_context(&opts); for(;;) { z80_run(context, 1000000); context->current_cycle = 0; } return 0; }