linux port fixed; some cleanups

git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@706 be3aeb3a-fb24-0410-a615-afba39da0efa

common/main.c

@@ -0,0 +1,138 @@
+// (c) Copyright 2006-2009 notaz, All rights reserved.
+// Free for non-commercial use.
+
+// For commercial use, separate licencing terms must be obtained.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+#include "menu.h"
+#include "emu.h"
+#include "config.h"
+#include "input.h"
+#include "plat.h"
+#include <version.h>
+
+
+extern char *PicoConfigFile;
+static int load_state_slot = -1;
+char **g_argv;
+
+void parse_cmd_line(int argc, char *argv[])
+{
+	int x, unrecognized = 0;
+
+	for (x = 1; x < argc; x++)
+	{
+		if (argv[x][0] == '-')
+		{
+			if (strcasecmp(argv[x], "-config") == 0) {
+				if (x+1 < argc) { ++x; PicoConfigFile = argv[x]; }
+			}
+			else if (strcasecmp(argv[x], "-loadstate") == 0) {
+				if (x+1 < argc) { ++x; load_state_slot = atoi(argv[x]); }
+			}
+			else {
+				unrecognized = 1;
+				break;
+			}
+		} else {
+			/* External Frontend: ROM Name */
+			FILE *f;
+			strncpy(rom_fname_reload, argv[x], sizeof(rom_fname_reload));
+			rom_fname_reload[sizeof(rom_fname_reload) - 1] = 0;
+			f = fopen(rom_fname_reload, "rb");
+			if (f) fclose(f);
+			else unrecognized = 1;
+			engineState = PGS_ReloadRom;
+			break;
+		}
+	}
+
+	if (unrecognized) {
+		printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2009\n");
+		printf("usage: %s [options] [romfile]\n", argv[0]);
+		printf("options:\n"
+			" -config <file>    use specified config file instead of default 'config.cfg'\n"
+			" -loadstate <num>  if ROM is specified, try loading slot <num>\n");
+	}
+}
+
+
+int main(int argc, char *argv[])
+{
+	g_argv = argv;
+
+	plat_early_init();
+
+	/* in_init() must go before config, config accesses in_ fwk */
+	in_init();
+	emu_prepareDefaultConfig();
+	emu_ReadConfig(0, 0);
+	config_readlrom(PicoConfigFile);
+
+	plat_init();
+	in_probe();
+	in_debug_dump();
+
+	emu_Init();
+	menu_init();
+
+	engineState = PGS_Menu;
+
+	if (argc > 1)
+		parse_cmd_line(argc, argv);
+
+	if (engineState == PGS_ReloadRom)
+	{
+		if (emu_ReloadRom(rom_fname_reload)) {
+			engineState = PGS_Running;
+			if (load_state_slot >= 0) {
+				state_slot = load_state_slot;
+				emu_SaveLoadGame(1, 0);
+			}
+		}
+	}
+
+	for (;;)
+	{
+		switch (engineState)
+		{
+			case PGS_Menu:
+				menu_loop();
+				break;
+
+			case PGS_ReloadRom:
+				if (emu_ReloadRom(rom_fname_reload))
+					engineState = PGS_Running;
+				else {
+					printf("PGS_ReloadRom == 0\n");
+					engineState = PGS_Menu;
+				}
+				break;
+
+			case PGS_RestartRun:
+				engineState = PGS_Running;
+
+			case PGS_Running:
+				emu_Loop();
+				break;
+
+			case PGS_Quit:
+				goto endloop;
+
+			default:
+				printf("engine got into unknown state (%i), exitting\n", engineState);
+				goto endloop;
+		}
+	}
+
+	endloop:
+
+	emu_Deinit();
+	plat_finish();
+
+	return 0;
+}

common/menu.c

@@ -16,6 +16,7 @@
 #include "emu.h"
 #include "plat.h"
 #include "posix.h"
+#include <version.h>
 
 #include <pico/pico_int.h>
 #include <pico/patch.h>

common/plat.h

@@ -13,6 +13,9 @@ void  emu_startSound(void);
 void  emu_endSound(void);
 void  emu_waitSound(void);
 void  emu_ResetGame(void); // TODO mv rm?
+void  emu_Init(void);
+void  emu_Deinit(void);
+void  emu_Loop(void);
 
 void emu_noticeMsgUpdated(void);
 int  emu_getMainDir(char *dst, int len);