rearrange globals
[picodrive.git] / platform / psp / emu.c
index bbf07e5..8f77f39 100644 (file)
@@ -1,7 +1,10 @@
-// (c) Copyright 2007 notaz, All rights reserved.
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
+/*
+ * PicoDrive
+ * (C) notaz, 2007,2008
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -33,12 +36,9 @@ int sceAudio_E0727056(int volume, void *buffer);     // blocking output
 int sceAudioOutput2GetRestSample();
 
 
-unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
+//unsigned char *Draw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
 int engineStateSuspend;
 
-static unsigned int noticeMsgTime = 0;
-int reset_timing = 0; // do we need this?
-
 #define PICO_PEN_ADJUST_X 4
 #define PICO_PEN_ADJUST_Y 2
 static int pico_pen_x = 320/2, pico_pen_y = 240/2;
@@ -48,12 +48,7 @@ static void sound_deinit(void);
 static void blit2(const char *fps, const char *notice, int lagging_behind);
 static void clearArea(int full);
 
-void emu_noticeMsgUpdated(void)
-{
-       noticeMsgTime = sceKernelGetSystemTimeLow();
-}
-
-int emu_getMainDir(char *dst, int len)
+int plat_get_root_dir(char *dst, int len)
 {
        if (len > 0) *dst = 0;
        return 0;
@@ -71,7 +66,7 @@ static void osd_text(int x, const char *text, int is_active, int clear_all)
                memset32_uncached(p, 0, len);
        }
        if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
-       emu_textOut16(x, 264, text);
+       emu_text_out16(x, 264, text);
        if (is_active) psp_screen = tmp;
 }
 
@@ -84,54 +79,21 @@ void emu_msg_cb(const char *msg)
        reset_timing = 1;
 }
 
-static void emu_msg_tray_open(void)
-{
-       strcpy(noticeMsg, "CD tray opened");
-       noticeMsgTime = sceKernelGetSystemTimeLow();
-}
-
-
+/* FIXME: move to plat */
 void emu_Init(void)
 {
-       // make dirs for saves, cfgs, etc.
-       mkdir("mds", 0777);
-       mkdir("srm", 0777);
-       mkdir("brm", 0777);
-       mkdir("cfg", 0777);
-
        sound_init();
-
-       PicoInit();
-       PicoMessage = emu_msg_cb;
-       PicoMCDopenTray = emu_msg_tray_open;
-       PicoMCDcloseTray = menu_loop_tray;
 }
 
 void emu_Deinit(void)
 {
-       // save SRAM
-       if ((currentConfig.EmuOpt & 1) && SRam.changed) {
-               emu_SaveLoadGame(0, 1);
-               SRam.changed = 0;
-       }
-
-       if (!(currentConfig.EmuOpt & 0x20))
-               config_writelrom(PicoConfigFile);
-
-       PicoExit();
        sound_deinit();
 }
 
-void emu_prepareDefaultConfig(void)
+void pemu_prep_defconfig(void)
 {
-       memset(&defaultConfig, 0, sizeof(defaultConfig));
-       defaultConfig.EmuOpt    = 0x1d | 0x680; // | <- confirm_save, cd_leds, acc rend
-       defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX|POPT_ACC_SPRITES;
        defaultConfig.s_PsndRate = 22050;
-       defaultConfig.s_PicoRegion = 0; // auto
-       defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
        defaultConfig.s_PicoCDBuffers = 64;
-       defaultConfig.Frameskip = -1; // auto
        defaultConfig.CPUclock = 333;
        defaultConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
        defaultConfig.KeyBinds[ 6] = 1<<1;
@@ -152,7 +114,6 @@ void emu_prepareDefaultConfig(void)
        defaultConfig.scale = 1.20;    // fullscreen
        defaultConfig.hscale40 = 1.25;
        defaultConfig.hscale32 = 1.56;
-       defaultConfig.turbo_rate = 15;
 }
 
 
@@ -262,9 +223,9 @@ static void do_pal_update(int allow_sh, int allow_as)
                localPal[0xe0] = 0;
                localPal[0xf0] = 0x001f;
        }
-       else if (allow_as && (rendstatus & PDRAW_SPR_LO_ON_HI))
+       else if (allow_as && (Pico.est.rendstatus & PDRAW_SPR_LO_ON_HI))
        {
-               memcpy32((int *)dpal+0x80/2, (void *)localPal, 0x40*2/4);
+               memcpy(dpal + 0x80/2, localPal, 0x40*2);
        }
 }
 
@@ -281,33 +242,29 @@ static void do_slowmode_lines(int line_to)
 
 static void EmuScanPrepare(void)
 {
-       HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
-       if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
+       Pico.est.HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
+       if (!(Pico.video.reg[1]&8)) Pico.est.HighCol += 8*512;
 
        if (dynamic_palette > 0)
                dynamic_palette--;
 
        if (Pico.m.dirtyPal)
                do_pal_update(1, 1);
-       if ((rendstatus & PDRAW_SPR_LO_ON_HI) && !(Pico.video.reg[0xC]&8))
+       if ((Pico.est.rendstatus & PDRAW_SPR_LO_ON_HI) && !(Pico.video.reg[0xC]&8))
             amips_clut_f = amips_clut_6bit;
        else amips_clut_f = amips_clut;
 }
 
 static int EmuScanSlowBegin(unsigned int num)
 {
-       if (!(Pico.video.reg[1]&8)) num += 8;
-
        if (!dynamic_palette)
-               HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8;
+               Pico.est.HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8;
 
        return 0;
 }
 
 static int EmuScanSlowEnd(unsigned int num)
 {
-       if (!(Pico.video.reg[1]&8)) num += 8;
-
        if (Pico.m.dirtyPal) {
                if (!dynamic_palette) {
                        do_slowmode_lines(num);
@@ -319,7 +276,7 @@ static int EmuScanSlowEnd(unsigned int num)
        if (dynamic_palette) {
                int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
                void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
-               amips_clut_f(dst, HighCol + 8, localPal, line_len);
+               amips_clut_f(dst, Pico.est.HighCol + 8, localPal, line_len);
        }
 
        return 0;
@@ -352,7 +309,7 @@ static void blitscreen_clut(void)
                        blit_16bit_mode = 0;
                }
 
-               if ((PicoOpt&0x10) && Pico.m.dirtyPal)
+               if ((PicoIn.opt&0x10) && Pico.m.dirtyPal)
                        do_pal_update(0, 0);
 
                sceKernelDcacheWritebackAll();
@@ -431,25 +388,25 @@ static void dbg_text(void)
                p = (int *) ((int)p & ~3); // align
                memset32_uncached(p, 0, len);
        }
-       emu_textOut16(2, 256, text);
+       emu_text_out16(2, 256, text);
 }
 #endif
 
 /* called after rendering is done, but frame emulation is not finished */
 void blit1(void)
 {
-       if (PicoOpt&0x10)
+       if (PicoIn.opt&0x10)
        {
                int i;
                unsigned char *pd;
                // clear top and bottom trash
-               for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
+               for (pd = Pico.est.Draw2FB+8, i = 8; i > 0; i--, pd += 512)
                        memset32((int *)pd, 0xe0e0e0e0, 320/4);
-               for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
+               for (pd = Pico.est.Draw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
                        memset32((int *)pd, 0xe0e0e0e0, 320/4);
        }
 
-       if (PicoAHW & PAHW_PICO)
+       if (PicoIn.AHW & PAHW_PICO)
                draw_pico_ptr();
 
        blitscreen_clut();
@@ -467,7 +424,7 @@ static void blit2(const char *fps, const char *notice, int lagging_behind)
 
        //dbg_text();
 
-       if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))
+       if ((emu_opt & 0x400) && (PicoIn.AHW & PAHW_MCD))
                cd_leds();
 
        if (currentConfig.EmuOpt & 0x2000) { // want vsync
@@ -511,9 +468,8 @@ static void vidResetMode(void)
        sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
 
        // slow rend.
-       PicoDrawSetColorFormat(-1);
-       PicoScanBegin = EmuScanSlowBegin;
-       PicoScanEnd = EmuScanSlowEnd;
+       PicoDrawSetOutFormat(PDF_NONE, 0);
+       PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
 
        localPal[0xe0] = 0;
        localPal[0xf0] = 0x001f;
@@ -525,7 +481,7 @@ static void vidResetMode(void)
        sceGuSync(0,0);
 }
 
-void emu_platformDebugCat(char *str)
+void plat_debug_cat(char *str)
 {
        strcat(str, blit_16bit_mode ? "soft clut\n" : "hard clut\n");
 }
@@ -608,17 +564,17 @@ static void sound_init(void)
                lprintf("sceKernelCreateThread failed: %i\n", thid);
 }
 
-void emu_startSound(void)
+void pemu_sound_start(void)
 {
        static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
        int ret, stereo;
 
        samples_made = samples_done = 0;
 
-       if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
+       if (PsndRate != PsndRate_old || (PicoIn.opt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
                PsndRerate(Pico.m.frame_count ? 1 : 0);
        }
-       stereo=(PicoOpt&8)>>3;
+       stereo=(PicoIn.opt&8)>>3;
 
        samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
        if (PsndRate <= 22050) samples_block /= 2;
@@ -632,9 +588,8 @@ void emu_startSound(void)
        ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
        if (ret < 0) {
                lprintf("sceAudio_38553111() failed: %i\n", ret);
-               sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
-               noticeMsgTime = sceKernelGetSystemTimeLow();
-               currentConfig.EmuOpt &= ~4;
+               emu_status_msg("sound init failed (%i), snd disabled", ret);
+               currentConfig.EmuOpt &= ~EOPT_EN_SOUND;
        } else {
                PicoWriteSound = writeSound;
                memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
@@ -642,12 +597,12 @@ void emu_startSound(void)
                samples_made = samples_block; // send 1 empty block first..
                PsndOut = sndBuffer;
                PsndRate_old = PsndRate;
-               PicoOpt_old  = PicoOpt;
+               PicoOpt_old  = PicoIn.opt;
                pal_old = Pico.m.pal;
        }
 }
 
-void emu_endSound(void)
+void pemu_sound_stop(void)
 {
        int i;
        if (samples_done == 0)
@@ -667,7 +622,7 @@ void emu_endSound(void)
 }
 
 /* wait until we can write more sound */
-void emu_waitSound(void)
+void pemu_sound_wait(void)
 {
        // TODO: test this
        while (!sound_thread_exit && samples_made - samples_done > samples_block * 4)
@@ -685,9 +640,8 @@ static void sound_deinit(void)
 static void writeSound(int len)
 {
        int ret;
-       if (PicoOpt&8) len<<=1;
 
-       PsndOut += len;
+       PsndOut += len / 2;
        /*if (PsndOut > sndBuffer_endptr) {
                memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
                PsndOut = &sndBuffer[PsndOut - endptr];
@@ -699,7 +653,7 @@ static void writeSound(int len)
                PsndOut = sndBuffer;
 
        // signal the snd thread
-       samples_made += len;
+       samples_made += len / 2;
        if (samples_made - samples_done > samples_block*2) {
                // lprintf("signal, %i/%i\n", samples_done, samples_made);
                ret = sceKernelSignalSema(sound_sem, 1);
@@ -710,18 +664,20 @@ static void writeSound(int len)
 
 static void SkipFrame(void)
 {
-       PicoSkipFrame=1;
+       PicoIn.skipFrame=1;
        PicoFrame();
-       PicoSkipFrame=0;
+       PicoIn.skipFrame=0;
 }
 
-void emu_forcedFrame(int opts)
+void pemu_forced_frame(int no_scale, int do_emu)
 {
-       int po_old = PicoOpt;
+       int po_old = PicoIn.opt;
        int eo_old = currentConfig.EmuOpt;
 
-       PicoOpt &= ~0x10;
-       PicoOpt |= opts|POPT_ACC_SPRITES;
+       PicoIn.opt &= ~POPT_ALT_RENDERER;
+       PicoIn.opt |= POPT_ACC_SPRITES;
+       if (!no_scale)
+               PicoIn.opt |= POPT_EN_SOFTSCALE;
        currentConfig.EmuOpt |= 0x80;
 
        vidResetMode();
@@ -729,15 +685,14 @@ void emu_forcedFrame(int opts)
        memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
        memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
 
-       PicoDrawSetColorFormat(-1);
-       PicoScanBegin = EmuScanSlowBegin;
-       PicoScanEnd = EmuScanSlowEnd;
+       PicoDrawSetOutFormat(PDF_NONE, 0);
+       PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
        EmuScanPrepare();
        PicoFrameDrawOnly();
        blit1();
        sceGuSync(0,0);
 
-       PicoOpt = po_old;
+       PicoIn.opt = po_old;
        currentConfig.EmuOpt = eo_old;
 }
 
@@ -748,7 +703,7 @@ static void RunEventsPico(unsigned int events, unsigned int keys)
 
        if (pico_inp_mode != 0)
        {
-               PicoPad[0] &= ~0x0f; // release UDLR
+               PicoIn.pad[0] &= ~0x0f; // release UDLR
                if (keys & PBTN_UP)   { pico_pen_y--; if (pico_pen_y < 8) pico_pen_y = 8; }
                if (keys & PBTN_DOWN) { pico_pen_y++; if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; }
                if (keys & PBTN_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; }
@@ -771,7 +726,7 @@ static void RunEvents(unsigned int which)
        {
                int do_it = 1;
 
-               if ( emu_checkSaveFile(state_slot) &&
+               if ( emu_check_save_file(state_slot) &&
                                (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
                                 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
                {
@@ -790,7 +745,7 @@ static void RunEvents(unsigned int which)
                {
                        osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
                        PicoStateProgressCB = emu_msg_cb;
-                       emu_SaveLoadGame((which & 0x1000) >> 12, 0);
+                       emu_save_load_game((which & 0x1000) >> 12, 0);
                        PicoStateProgressCB = NULL;
                        psp_msleep(0);
                }
@@ -799,17 +754,15 @@ static void RunEvents(unsigned int which)
        }
        if (which & 0x0400) // switch renderer
        {
-               if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |=  0x80; }
-               else              { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
+               if (PicoIn.opt&0x10) { PicoIn.opt&=~0x10; currentConfig.EmuOpt |=  0x80; }
+               else              { PicoIn.opt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
 
                vidResetMode();
 
-               if (PicoOpt&0x10)
-                       strcpy(noticeMsg, "fast renderer");
+               if (PicoIn.opt & POPT_ALT_RENDERER)
+                       emu_status_msg("fast renderer");
                else if (currentConfig.EmuOpt&0x80)
-                       strcpy(noticeMsg, "accurate renderer");
-
-               noticeMsgTime = sceKernelGetSystemTimeLow();
+                       emu_status_msg("accurate renderer");
        }
        if (which & 0x0300)
        {
@@ -820,8 +773,8 @@ static void RunEvents(unsigned int which)
                        state_slot += 1;
                        if(state_slot > 9) state_slot = 0;
                }
-               sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");
-               noticeMsgTime = sceKernelGetSystemTimeLow();
+               emu_status_msg("SAVE SLOT %i [%s]", state_slot,
+                       emu_check_save_file(state_slot) ? "USED" : "FREE");
        }
 }
 
@@ -831,6 +784,7 @@ static void updateKeys(void)
        static unsigned int prevEvents = 0;
        int i;
 
+       /* FIXME: port to input fw, merge with emu.c:emu_update_input() */
        keys = psp_pad_read(0);
        if (keys & PSP_CTRL_HOME)
                sceDisplayWaitVblankStart();
@@ -840,50 +794,22 @@ static void updateKeys(void)
 
        keys &= CONFIGURABLE_KEYS;
 
-       for (i = 0; i < 32; i++)
-       {
-               if (keys & (1 << i))
-               {
-                       int pl, acts = currentConfig.KeyBinds[i];
-                       if (!acts) continue;
-                       pl = (acts >> 16) & 1;
-                       if (kb_combo_keys & (1 << i))
-                       {
-                               int u = i+1, acts_c = acts & kb_combo_acts;
-                               // let's try to find the other one
-                               if (acts_c) {
-                                       for (; u < 32; u++)
-                                               if ( (keys & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {
-                                                       allActions[pl] |= acts_c & currentConfig.KeyBinds[u];
-                                                       keys &= ~((1 << i) | (1 << u));
-                                                       break;
-                                               }
-                               }
-                               // add non-combo actions if combo ones were not found
-                               if (!acts_c || u == 32)
-                                       allActions[pl] |= acts & ~kb_combo_acts;
-                       } else {
-                               allActions[pl] |= acts;
-                       }
-               }
-       }
+       PicoIn.pad[0] = allActions[0] & 0xfff;
+       PicoIn.pad[1] = allActions[1] & 0xfff;
 
-       PicoPad[0] = allActions[0] & 0xfff;
-       PicoPad[1] = allActions[1] & 0xfff;
-
-       if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);
-       if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);
+       if (allActions[0] & 0x7000) emu_DoTurbo(&PicoIn.pad[0], allActions[0]);
+       if (allActions[1] & 0x7000) emu_DoTurbo(&PicoIn.pad[1], allActions[1]);
 
        events = (allActions[0] | allActions[1]) >> 16;
 
        if ((events ^ prevEvents) & 0x40) {
-               emu_changeFastForward(events & 0x40);
+               emu_set_fastforward(events & 0x40);
                reset_timing = 1;
        }
 
        events &= ~prevEvents;
 
-       if (PicoAHW == PAHW_PICO)
+       if (PicoIn.AHW == PAHW_PICO)
                RunEventsPico(events, keys);
        if (events) RunEvents(events);
        if (movie_data) emu_updateMovie();
@@ -903,7 +829,7 @@ static void simpleWait(unsigned int until)
                sceKernelDelayThread(diff);
 }
 
-void emu_Loop(void)
+void pemu_loop(void)
 {
        static int mp3_init_done = 0;
        char fpsbuff[24]; // fps count c string
@@ -929,14 +855,13 @@ void emu_Loop(void)
        clearArea(1);
        Pico.m.dirtyPal = 1;
        oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
-       emu_findKeyBindCombos();
 
        // pal/ntsc might have changed, reset related stuff
        target_fps = Pico.m.pal ? 50 : 60;
        target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
        reset_timing = 1;
 
-       if (PicoAHW & PAHW_MCD) {
+       if (PicoIn.AHW & PAHW_MCD) {
                // prepare CD buffer
                PicoCDBufferInit();
                // mp3...
@@ -949,9 +874,9 @@ void emu_Loop(void)
 
        // prepare sound stuff
        PsndOut = NULL;
-       if (currentConfig.EmuOpt & 4)
+       if (currentConfig.EmuOpt & EOPT_EN_SOUND)
        {
-               emu_startSound();
+               pemu_sound_start();
        }
 
        sceDisplayWaitVblankStart();
@@ -1061,7 +986,7 @@ void emu_Loop(void)
 
                updateKeys();
 
-               if (!(PicoOpt&0x10))
+               if (!(PicoIn.opt&0x10))
                        EmuScanPrepare();
 
                PicoFrame();
@@ -1092,19 +1017,19 @@ void emu_Loop(void)
        }
 
 
-       emu_changeFastForward(0);
+       emu_set_fastforward(0);
 
-       if (PicoAHW & PAHW_MCD) PicoCDBufferFree();
+       if (PicoIn.AHW & PAHW_MCD) PicoCDBufferFree();
 
        if (PsndOut != NULL) {
-               emu_endSound();
+               pemu_sound_stop();
                PsndOut = NULL;
        }
 
        // save SRAM
        if ((currentConfig.EmuOpt & 1) && SRam.changed) {
                emu_msg_cb("Writing SRAM/BRAM..");
-               emu_SaveLoadGame(0, 1);
+               emu_save_load_game(0, 1);
                SRam.changed = 0;
        }
 
@@ -1112,16 +1037,9 @@ void emu_Loop(void)
        memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
 }
 
-
-void emu_ResetGame(void)
-{
-       PicoReset();
-       reset_timing = 1;
-}
-
 void emu_HandleResume(void)
 {
-       if (!(PicoAHW & PAHW_MCD)) return;
+       if (!(PicoIn.AHW & PAHW_MCD)) return;
 
        // reopen first CD track
        if (Pico_mcd->TOC.Tracks[0].F != NULL)