[fceu.git] / drivers / gp2x / gp2x.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../../driver.h"
#include "../common/config.h"
#include "../common/args.h"
#include "../common/platform.h"
#include "../common/settings.h"
#include "../common/revision.h"
#include "gp2x-video.h"
#ifdef NETWORK
#include "unix-netplay.h"
#endif

#include "minimal.h"
#include "cpuctrl.h"
#include "squidgehack.h"

extern uint8 PAL;

char *DriverUsage=
"-mmuhack x      Enable squidge's MMU hack if x is nonzero (GP2X).\n\
-ramtimings x   Enable RAM overclocking if x is nonzero (GP2X).\n\
";

ARGPSTRUCT DriverArgs[]={
         {"-mmuhack",0,&Settings.mmuhack,0},
         {"-ramtimings",0,&Settings.ramtimings,0},
         {"-menu",0,&ext_menu,0x4001},
         {"-menustate",0,&ext_state,0x4001},
         {0,0,0,0}
};

void GetBaseDirectory(char *BaseDirectory)
{
 strcpy(BaseDirectory, "fceultra");
}

static void SetDefaults(void)
{
 memset(&Settings,0,sizeof(Settings));
 Settings.cpuclock = 150;
 Settings.frameskip = -1; // auto
 Settings.mmuhack = 1;
 Settings.sound_rate = 22050;
 Settings.turbo_rate_add = (8*2 << 24) / 60 + 1; // 8Hz turbofire
 Settings.gamma = 100;
 Settings.sstate_confirm = 1;
 // default controls, RLDU SEBA
 Settings.KeyBinds[ 0] = 0x010; // GP2X_UP
 Settings.KeyBinds[ 4] = 0x020; // GP2X_DOWN
 Settings.KeyBinds[ 2] = 0x040; // GP2X_LEFT
 Settings.KeyBinds[ 6] = 0x080; // GP2X_RIGHT
 Settings.KeyBinds[13] = 0x001; // GP2X_B
 Settings.KeyBinds[14] = 0x002; // GP2X_X
 Settings.KeyBinds[12] = 0x100; // GP2X_A
 Settings.KeyBinds[15] = 0x200; // GP2X_Y
 Settings.KeyBinds[ 8] = 0x008; // GP2X_START
 Settings.KeyBinds[ 9] = 0x004; // GP2X_SELECT
 Settings.KeyBinds[10] = 0x80000000; // GP2X_L
 Settings.KeyBinds[11] = 0x40000000; // GP2X_R
 Settings.KeyBinds[27] = 0xc0000000; // GP2X_PUSH
}

void DoDriverArgs(void)
{
}


int mmuhack_status = 0;


void platform_init(void)
{
        printf("Starting GPFCE " REV " (" __DATE__ ")\n");
        puts("Based on FCE Ultra "VERSION_STRING" and 0.98.1x versions");
        puts("Original port by Zheng Zhu");
        puts("Menu/optimization/misc work by notaz\n");

    	gp2x_init();
	cpuctrl_init();

        SetDefaults();
}

void platform_finish(void)
{
        // unscale the screen, in case it is bad.
        gp2x_video_RGB_setscaling(320, 240);

	if (mmuhack_status > 0)
		mmuunhack();

	set_gamma(100);
	cpuctrl_deinit();
        gp2x_deinit();

        return(ret?0:-1);
}

void platform_set_volume(int val) // 0-100
{
	platform_set_volume(val, val);
}

/* optional GP2X stuff to be done after config is loaded */
void platform_late_init(void)
{
	if (Settings.mmuhack) {
		int ret = mmuhack();
		printf("squidge hack code finished and returned %s\n", ret > 0 ? "ok" : "fail");
		fflush(stdout);
		mmuhack_status = ret;
	}
	if (Settings.ramtimings) {
		printf("setting RAM timings.. "); fflush(stdout);
		// craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
		set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
		printf("done.\n"); fflush(stdout);
	}
}

void platform_apply_config(void)
{
	static int prev_cpuclock = 200, prev_gamma = 100, prev_vsync = 0, prev_pal = 0;
	if (Settings.cpuclock != 0 && Settings.cpuclock != prev_cpuclock)
	{
		set_FCLK(Settings.cpuclock);
		prev_cpuclock = Settings.cpuclock;
	}

	if (Settings.gamma != 0 && Settings.gamma != prev_gamma)
	{
		set_gamma(Settings.gamma);
		prev_gamma = Settings.gamma;
	}

	if (Settings.perfect_vsync != prev_vsync || (Settings.perfect_vsync && prev_pal != PAL))
	{
		if (Settings.perfect_vsync)
		{
			set_LCD_custom_rate(PAL ? LCDR_100_02 : LCDR_120_20);
			prev_pal = PAL;
		}
		else
		{
			unset_LCD_custom_rate();
		}
		prev_vsync = Settings.perfect_vsync;
	}

	gp2x_video_changemode(Settings.scaling == 3 ? 15 : 8);
	switch (Settings.scaling & 3) {
		case 0: gp2x_video_set_offs(0);  gp2x_video_RGB_setscaling(320, 240); break;
		case 1: gp2x_video_set_offs(32); gp2x_video_RGB_setscaling(256, 240); break;
		case 2: gp2x_video_set_offs(32+srendline*320); gp2x_video_RGB_setscaling(256, erendline-srendline); break;
		case 3: gp2x_video_set_offs(32); gp2x_video_RGB_setscaling(320, 240); break;
	}
}
Commit	Line	Data
	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <string.h>
	4
	5	#include "../../driver.h"
	6	#include "../common/config.h"
	7	#include "../common/args.h"
	8	#include "../common/platform.h"
	9	#include "../common/settings.h"
	10	#include "../common/revision.h"
	11	#include "gp2x-video.h"
	12	#ifdef NETWORK
	13	#include "unix-netplay.h"
	14	#endif
	15
	16	#include "minimal.h"
	17	#include "cpuctrl.h"
	18	#include "squidgehack.h"
	19
	20	extern uint8 PAL;
	21
	22	char *DriverUsage=
	23	"-mmuhack x Enable squidge's MMU hack if x is nonzero (GP2X).\n\
	24	-ramtimings x Enable RAM overclocking if x is nonzero (GP2X).\n\
	25	";
	26
	27	ARGPSTRUCT DriverArgs[]={
	28	{"-mmuhack",0,&Settings.mmuhack,0},
	29	{"-ramtimings",0,&Settings.ramtimings,0},
	30	{"-menu",0,&ext_menu,0x4001},
	31	{"-menustate",0,&ext_state,0x4001},
	32	{0,0,0,0}
	33	};
	34
	35	void GetBaseDirectory(char *BaseDirectory)
	36	{
	37	strcpy(BaseDirectory, "fceultra");
	38	}
	39
	40	static void SetDefaults(void)
	41	{
	42	memset(&Settings,0,sizeof(Settings));
	43	Settings.cpuclock = 150;
	44	Settings.frameskip = -1; // auto
	45	Settings.mmuhack = 1;
	46	Settings.sound_rate = 22050;
	47	Settings.turbo_rate_add = (8*2 << 24) / 60 + 1; // 8Hz turbofire
	48	Settings.gamma = 100;
	49	Settings.sstate_confirm = 1;
	50	// default controls, RLDU SEBA
	51	Settings.KeyBinds[ 0] = 0x010; // GP2X_UP
	52	Settings.KeyBinds[ 4] = 0x020; // GP2X_DOWN
	53	Settings.KeyBinds[ 2] = 0x040; // GP2X_LEFT
	54	Settings.KeyBinds[ 6] = 0x080; // GP2X_RIGHT
	55	Settings.KeyBinds[13] = 0x001; // GP2X_B
	56	Settings.KeyBinds[14] = 0x002; // GP2X_X
	57	Settings.KeyBinds[12] = 0x100; // GP2X_A
	58	Settings.KeyBinds[15] = 0x200; // GP2X_Y
	59	Settings.KeyBinds[ 8] = 0x008; // GP2X_START
	60	Settings.KeyBinds[ 9] = 0x004; // GP2X_SELECT
	61	Settings.KeyBinds[10] = 0x80000000; // GP2X_L
	62	Settings.KeyBinds[11] = 0x40000000; // GP2X_R
	63	Settings.KeyBinds[27] = 0xc0000000; // GP2X_PUSH
	64	}
	65
	66	void DoDriverArgs(void)
	67	{
	68	}
	69
	70
	71	int mmuhack_status = 0;
	72
	73
	74	void platform_init(void)
	75	{
	76	printf("Starting GPFCE " REV " (" __DATE__ ")\n");
	77	puts("Based on FCE Ultra "VERSION_STRING" and 0.98.1x versions");
	78	puts("Original port by Zheng Zhu");
	79	puts("Menu/optimization/misc work by notaz\n");
	80
	81	gp2x_init();
	82	cpuctrl_init();
	83
	84	SetDefaults();
	85	}
	86
	87	void platform_finish(void)
	88	{
	89	// unscale the screen, in case it is bad.
	90	gp2x_video_RGB_setscaling(320, 240);
	91
	92	if (mmuhack_status > 0)
	93	mmuunhack();
	94
	95	set_gamma(100);
	96	cpuctrl_deinit();
	97	gp2x_deinit();
	98
	99	return(ret?0:-1);
	100	}
	101
	102	void platform_set_volume(int val) // 0-100
	103	{
	104	platform_set_volume(val, val);
	105	}
	106
	107	/* optional GP2X stuff to be done after config is loaded */
	108	void platform_late_init(void)
	109	{
	110	if (Settings.mmuhack) {
	111	int ret = mmuhack();
	112	printf("squidge hack code finished and returned %s\n", ret > 0 ? "ok" : "fail");
	113	fflush(stdout);
	114	mmuhack_status = ret;
	115	}
	116	if (Settings.ramtimings) {
	117	printf("setting RAM timings.. "); fflush(stdout);
	118	// craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
	119	set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
	120	printf("done.\n"); fflush(stdout);
	121	}
	122	}
	123
	124	void platform_apply_config(void)
	125	{
	126	static int prev_cpuclock = 200, prev_gamma = 100, prev_vsync = 0, prev_pal = 0;
	127	if (Settings.cpuclock != 0 && Settings.cpuclock != prev_cpuclock)
	128	{
	129	set_FCLK(Settings.cpuclock);
	130	prev_cpuclock = Settings.cpuclock;
	131	}
	132
	133	if (Settings.gamma != 0 && Settings.gamma != prev_gamma)
	134	{
	135	set_gamma(Settings.gamma);
	136	prev_gamma = Settings.gamma;
	137	}
	138
	139	if (Settings.perfect_vsync != prev_vsync \|\| (Settings.perfect_vsync && prev_pal != PAL))
	140	{
	141	if (Settings.perfect_vsync)
	142	{
	143	set_LCD_custom_rate(PAL ? LCDR_100_02 : LCDR_120_20);
	144	prev_pal = PAL;
	145	}
	146	else
	147	{
	148	unset_LCD_custom_rate();
	149	}
	150	prev_vsync = Settings.perfect_vsync;
	151	}
	152
	153	gp2x_video_changemode(Settings.scaling == 3 ? 15 : 8);
	154	switch (Settings.scaling & 3) {
	155	case 0: gp2x_video_set_offs(0); gp2x_video_RGB_setscaling(320, 240); break;
	156	case 1: gp2x_video_set_offs(32); gp2x_video_RGB_setscaling(256, 240); break;
	157	case 2: gp2x_video_set_offs(32+srendline*320); gp2x_video_RGB_setscaling(256, erendline-srendline); break;
	158	case 3: gp2x_video_set_offs(32); gp2x_video_RGB_setscaling(320, 240); break;
	159	}
	160	}
	161
	162