X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flinux%2Femu.c;h=aee8d44c75a02e4758c91ed3ad8351fe5cadd2d8;hb=df9251536de;hp=b5820723358eb6a9312cbddee9565ccb8ad07775;hpb=c7eb229a3cfc2848bcc3413185758039f30559aa;p=picodrive.git

diff --git a/platform/linux/emu.c b/platform/linux/emu.c
index b582072..aee8d44 100644
--- a/platform/linux/emu.c
+++ b/platform/linux/emu.c
@@ -1,23 +1,23 @@
-// (c) Copyright 2006-2009 notaz, All rights reserved.
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
+/*
+ * PicoDrive
+ * (C) notaz, 2006-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 
 #include <stdio.h>
 #include <unistd.h>
 
+#include "../libpicofe/menu.h"
+#include "../libpicofe/plat.h"
 #include "../common/emu.h"
-#include "../common/menu.h"
-#include "../common/plat.h"
 #include "../common/arm_utils.h"
-#include "../linux/sndout_oss.h"
-#include "version.h"
+#include "../common/version.h"
 
 #include <pico/pico_int.h>
 
 
-static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
-char cpu_clk_name[] = "unused";
 const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };
 const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };
 enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };
@@ -31,42 +31,9 @@ void pemu_validate_config(void)
 {
 	extern int PicoOpt;
 //	PicoOpt &= ~POPT_EXT_FM;
-	PicoOpt &= ~POPT_EN_SVP_DRC;
-}
-
-// FIXME: dupes from GP2X, need cleanup
-static void (*osd_text)(int x, int y, const char *text);
-
-/*
-static void osd_text8(int x, int y, const char *text)
-{
-	int len = strlen(text)*8;
-	int *p, i, h, offs;
-
-	len = (len+3) >> 2;
-	for (h = 0; h < 8; h++) {
-		offs = (x + g_screen_width * (y+h)) & ~3;
-		p = (int *) ((char *)g_screen_ptr + offs);
-		for (i = len; i; i--, p++)
-			*p = 0xe0e0e0e0;
-	}
-	emu_text_out8(x, y, text);
-}
-*/
-
-static void osd_text16(int x, int y, const char *text)
-{
-	int len = strlen(text)*8;
-	int *p, i, h, offs;
-
-	len = (len+1) >> 1;
-	for (h = 0; h < 8; h++) {
-		offs = (x + g_screen_width * (y+h)) & ~1;
-		p = (int *) ((short *)g_screen_ptr + offs);
-		for (i = len; i; i--, p++)
-			*p = (*p >> 2) & 0x39e7;
-	}
-	emu_text_out16(x, y, text);
+#ifndef __arm__
+	PicoOpt &= ~POPT_EN_DRC;
+#endif
 }
 
 static void draw_cd_leds(void)
@@ -103,8 +70,8 @@ void pemu_finalize_frame(const char *fps, const char *notice)
 {
 	if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {
 		unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_width;
-		unsigned char *ps = PicoDraw2FB + 328*8 + 8;
-		unsigned short *pal = HighPal;
+		unsigned char *ps = Pico.est.Draw2FB + 328*8 + 8;
+		unsigned short *pal = Pico.est.HighPal;
 		int i, x;
 		if (Pico.m.dirtyPal)
 			PicoDrawUpdateHighPal();
@@ -115,9 +82,9 @@ void pemu_finalize_frame(const char *fps, const char *notice)
 
 	if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {
 		if (notice)
-			osd_text(4, g_screen_height - 8, notice);
+			emu_osd_text16(4, g_screen_height - 8, notice);
 		if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
-			osd_text(g_screen_width - 60, g_screen_height - 8, fps);
+			emu_osd_text16(g_screen_width - 60, g_screen_height - 8, fps);
 	}
 	if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))
 		draw_cd_leds();
@@ -125,9 +92,6 @@ void pemu_finalize_frame(const char *fps, const char *notice)
 
 static void apply_renderer(void)
 {
-	PicoScanBegin = NULL;
-	PicoScanEnd = NULL;
-
 	switch (currentConfig.renderer) {
 	case RT_16BIT:
 		PicoOpt &= ~POPT_ALT_RENDERER;
@@ -137,7 +101,7 @@ static void apply_renderer(void)
 	case RT_8BIT_ACC:
 		PicoOpt &= ~POPT_ALT_RENDERER;
 		PicoDrawSetOutFormat(PDF_8BIT, 0);
-		PicoDrawSetOutBuf(PicoDraw2FB + 8, 328);
+		PicoDrawSetOutBuf(Pico.est.Draw2FB + 8, 328);
 		break;
 	case RT_8BIT_FAST:
 		PicoOpt |=  POPT_ALT_RENDERER;
@@ -145,17 +109,8 @@ static void apply_renderer(void)
 		break;
 	}
 
-	if (PicoAHW & PAHW_32X) {
-		int only_32x = 0;
-		if (currentConfig.renderer == RT_16BIT)
-			only_32x = 1;
-		else
-			PicoDrawSetOutFormat(PDF_NONE, 0);
-		PicoDraw32xSetFrameMode(1, only_32x);
+	if (PicoAHW & PAHW_32X)
 		PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
-	}
-	//PicoDraw32xSetFrameMode(0, 0);
-	//PicoDrawSetOutFormat(PDF_RGB555, 1);
 }
 
 void plat_video_toggle_renderer(int change, int is_menu)
@@ -172,21 +127,6 @@ void plat_video_toggle_renderer(int change, int is_menu)
 	emu_status_msg(renderer_names[currentConfig.renderer]);
 }
 
-void plat_video_menu_enter(int is_rom_loaded)
-{
-}
-
-void plat_video_menu_begin(void)
-{
-	memcpy32(g_screen_ptr, g_menubg_ptr, g_screen_width * g_screen_height * 2 / 4);
-	g_menubg_ptr = g_screen_ptr;
-}
-
-void plat_video_menu_end(void)
-{
-	plat_video_flip();
-}
-
 void plat_status_msg_clear(void)
 {
 	unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;
@@ -213,75 +153,20 @@ void plat_update_volume(int has_changed, int is_up)
 {
 }
 
-void pemu_forced_frame(int opts, int no_scale)
+void pemu_forced_frame(int no_scale, int do_emu)
 {
-	int po_old = PicoOpt;
-	int eo_old = currentConfig.EmuOpt;
-
-	PicoOpt &= ~POPT_ALT_RENDERER;
-	PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites
-
-	PicoDrawSetOutFormat(PDF_RGB555, 1);
 	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
-	PicoDraw32xSetFrameMode(0, 0);
-
+	PicoDrawSetCallbacks(NULL, NULL);
 	Pico.m.dirtyPal = 1;
-	PicoFrameDrawOnly();
-
-	PicoOpt = po_old;
-	currentConfig.EmuOpt = eo_old;
-}
-
-static void updateSound(int len)
-{
-	len <<= 1;
-	if (PicoOpt & POPT_EN_STEREO)
-		len <<= 1;
 
-	if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))
-		return;
+	emu_cmn_forced_frame(no_scale, do_emu);
 
-	/* avoid writing audio when lagging behind to prevent audio lag */
-	if (PicoSkipFrame != 2)
-		sndout_oss_write(PsndOut, len);
+	g_menubg_src_ptr = g_screen_ptr;
 }
 
 void pemu_sound_start(void)
 {
-	int target_fps = Pico.m.pal ? 50 : 60;
-
-	PsndOut = NULL;
-
-	if (currentConfig.EmuOpt & EOPT_EN_SOUND)
-	{
-		int snd_excess_add, frame_samples;
-		int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;
-
-		PsndRerate(Pico.m.frame_count ? 1 : 0);
-
-		frame_samples = PsndLen;
-		snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;
-		if (snd_excess_add != 0)
-			frame_samples++;
-
-		printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",
-			PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);
-		sndout_oss_start(PsndRate, frame_samples, is_stereo);
-		sndout_oss_setvol(currentConfig.volume, currentConfig.volume);
-		PicoWriteSound = updateSound;
-		plat_update_volume(0, 0);
-		memset(sndBuffer, 0, sizeof(sndBuffer));
-		PsndOut = sndBuffer;
-	}
-}
-
-void pemu_sound_stop(void)
-{
-}
-
-void pemu_sound_wait(void)
-{
-	// don't need to do anything, writes will block by themselves
+	emu_sound_start();
 }
 
 void plat_debug_cat(char *str)
@@ -297,31 +182,12 @@ void emu_video_mode_change(int start_line, int line_count, int is_32cols)
 void pemu_loop_prep(void)
 {
 	apply_renderer();
-	osd_text = osd_text16;
-
-	pemu_sound_start();
 }
 
 void pemu_loop_end(void)
 {
-	int po_old = PicoOpt;
-	int eo_old = currentConfig.EmuOpt;
-
-	pemu_sound_stop();
-	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
-
 	/* do one more frame for menu bg */
-	PicoOpt &= ~POPT_ALT_RENDERER;
-	PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;
-
-	PicoDrawSetOutFormat(PDF_RGB555, 1);
-	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
-	PicoDraw32xSetFrameMode(0, 0);
-	Pico.m.dirtyPal = 1;
-	PicoFrame();
-
-	PicoOpt = po_old;
-	currentConfig.EmuOpt = eo_old;
+	pemu_forced_frame(0, 1);
 }
 
 void plat_wait_till_us(unsigned int us_to)
@@ -337,24 +203,7 @@ void plat_wait_till_us(unsigned int us_to)
 	}
 }
 
-const char *plat_get_credits(void)
+void *plat_mem_get_for_drc(size_t size)
 {
-	return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"
-		"Credits:\n"
-		"fDave: Cyclone 68000 core,\n"
-		"      base code of PicoDrive\n"
-		"Reesy & FluBBa: DrZ80 core\n"
-		"MAME devs: YM2612 and SN76496 cores\n"
-		"rlyeh and others: minimal SDK\n"
-		"Squidge: mmuhack\n"
-		"Dzz: ARM940 sample\n"
-		"GnoStiC / Puck2099: USB joy code\n"
-		"craigix: GP2X hardware\n"
-		"ketchupgun: skin design\n"
-		"\n"
-		"special thanks (for docs, ideas):\n"
-		" Charles MacDonald, Haze,\n"
-		" Stephane Dallongeville,\n"
-		" Lordus, Exophase, Rokas,\n"
-		" Nemesis, Tasco Deluxe";
+	return NULL;
 }