mirror of https://git.sr.ht/~rabbits/uxn11
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "uxn.h"
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#include "devices/system.h"
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#include "devices/console.h"
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#include "devices/file.h"
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#include "devices/datetime.h"
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/*
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Copyright (c) 2021-2023 Devine Lu Linvega, Andrew Alderwick
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE.
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*/
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Uint8
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emu_dei(Uxn *u, Uint8 addr)
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{
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switch(addr & 0xf0) {
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case 0x00: return system_dei(u, addr);
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case 0x10: return console_dei(u, addr);
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case 0xc0: return datetime_dei(u, addr);
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}
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return u->dev[addr];
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}
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void
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emu_deo(Uxn *u, Uint8 addr, Uint8 value)
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{
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Uint8 p = addr & 0x0f, d = addr & 0xf0;
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u->dev[addr] = value;
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switch(d) {
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case 0x00: system_deo(u, &u->dev[d], p); break;
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case 0x10: console_deo(u, &u->dev[d], p); break;
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case 0xa0: file_deo(0, u->ram, &u->dev[d], p); break;
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case 0xb0: file_deo(1, u->ram, &u->dev[d], p); break;
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}
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}
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static void
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emu_run(Uxn *u)
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{
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while(!u->dev[0x0f]) {
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int c = fgetc(stdin);
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if(c == EOF) {
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console_input(u, 0x00, CONSOLE_END);
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break;
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}
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console_input(u, (Uint8)c, CONSOLE_STD);
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}
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}
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static int
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emu_end(Uxn *u)
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{
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free(u->ram);
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return u->dev[0x0f] & 0x7f;
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}
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int
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main(int argc, char **argv)
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{
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Uxn u = {0};
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int i = 1;
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if(i == argc)
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return system_error("usage", "uxncli [-v] file.rom [args..]");
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/* Read flags */
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if(argv[i][0] == '-' && argv[i][1] == 'v')
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return system_version("Uxncli - Console Varvara Emulator", "15 Feb 2024");
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if(!system_boot(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8)), argv[i++]))
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return system_error("Init", "Failed to initialize uxn.");
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/* Game Loop */
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u.dev[0x17] = argc - i;
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if(uxn_eval(&u, PAGE_PROGRAM) && PEEK2(u.dev + 0x10)) {
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console_listen(&u, i, argc, argv);
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emu_run(&u);
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}
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return emu_end(&u);
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}
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