32x: implement dreq1, improve dmac

[picodrive.git] / platform / common / main.c

/*\r
 * PicoDrive\r
 * (C) notaz, 2006-2010\r
 *\r
 * This work is licensed under the terms of MAME license.\r
 * See COPYING file in the top-level directory.\r
 */\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <string.h>\r
#include <strings.h>\r
\r
#include "../libpicofe/input.h"\r
#include "../libpicofe/plat.h"\r
#include "menu_pico.h"\r
#include "emu.h"\r
#include "version.h"\r
#include <cpu/debug.h>\r
\r
\r
extern char *PicoConfigFile;\r
static int load_state_slot = -1;\r
char **g_argv;\r
\r
void parse_cmd_line(int argc, char *argv[])\r
{\r
	int x, unrecognized = 0;\r
\r
	for (x = 1; x < argc; x++)\r
	{\r
		if (argv[x][0] == '-')\r
		{\r
			if (strcasecmp(argv[x], "-config") == 0) {\r
				if (x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
			}\r
			else if (strcasecmp(argv[x], "-loadstate") == 0\r
				 || strcasecmp(argv[x], "-load") == 0)\r
			{\r
				if (x+1 < argc) { ++x; load_state_slot = atoi(argv[x]); }\r
			}\r
			else if (strcasecmp(argv[x], "-pdb") == 0) {\r
				if (x+1 < argc) { ++x; pdb_command(argv[x]); }\r
			}\r
			else if (strcasecmp(argv[x], "-pdb_connect") == 0) {\r
				if (x+2 < argc) { pdb_net_connect(argv[x+1], argv[x+2]); x += 2; }\r
			}\r
			else {\r
				unrecognized = 1;\r
				break;\r
			}\r
		} else {\r
			FILE *f = fopen(argv[x], "rb");\r
			if (f) {\r
				fclose(f);\r
				rom_fname_reload = argv[x];\r
				engineState = PGS_ReloadRom;\r
			}\r
			else\r
				unrecognized = 1;\r
			break;\r
		}\r
	}\r
\r
	if (unrecognized) {\r
		printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2009,2013\n");\r
		printf("usage: %s [options] [romfile]\n", argv[0]);\r
		printf("options:\n"\r
			" -config <file>    use specified config file instead of default 'config.cfg'\n"\r
			" -loadstate <num>  if ROM is specified, try loading savestate slot <num>\n");\r
		exit(1);\r
	}\r
}\r
\r
\r
int main(int argc, char *argv[])\r
{\r
	g_argv = argv;\r
\r
	plat_early_init();\r
\r
	in_init();\r
	//in_probe();\r
\r
	plat_target_init();\r
	plat_init();\r
\r
	emu_prep_defconfig(); // depends on input\r
	emu_read_config(NULL, 0);\r
\r
	emu_init();\r
	menu_init();\r
\r
	engineState = PGS_Menu;\r
\r
	if (argc > 1)\r
		parse_cmd_line(argc, argv);\r
\r
	if (engineState == PGS_ReloadRom)\r
	{\r
		if (emu_reload_rom(rom_fname_reload)) {\r
			engineState = PGS_Running;\r
			if (load_state_slot >= 0) {\r
				state_slot = load_state_slot;\r
				emu_save_load_game(1, 0);\r
			}\r
		}\r
	}\r
\r
	for (;;)\r
	{\r
		switch (engineState)\r
		{\r
			case PGS_Menu:\r
				menu_loop();\r
				break;\r
\r
			case PGS_TrayMenu:\r
				menu_loop_tray();\r
				break;\r
\r
			case PGS_ReloadRom:\r
				if (emu_reload_rom(rom_fname_reload))\r
					engineState = PGS_Running;\r
				else {\r
					printf("PGS_ReloadRom == 0\n");\r
					engineState = PGS_Menu;\r
				}\r
				break;\r
\r
			case PGS_RestartRun:\r
				engineState = PGS_Running;\r
				/* vvv fallthrough */\r
\r
			case PGS_Running:\r
				emu_loop();\r
				break;\r
\r
			case PGS_Quit:\r
				goto endloop;\r
\r
			default:\r
				printf("engine got into unknown state (%i), exitting\n", engineState);\r
				goto endloop;\r
		}\r
	}\r
\r
	endloop:\r
\r
	emu_finish();\r
	plat_finish();\r
	plat_target_finish();\r
\r
	return 0;\r
}\r