// RESET EMULATED MACHINE -----------------------------------------------------
void Machine_Reset (void)
{
int i;
static byte VDPInit [16] =
{
/* Values set by BIOS */
0x36, /*0xA0*/ 0x80 /* zero for Coleco */, 0xFF, 0xFF, 0xFF, 0xFF, 0xFB, 0x00,
0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00
/* Old (guessed ?) values */
// 0x06, 0x00, 0x0E, 0xFF, 0xFF, 0x7F, 0x00, 0x00,
// 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00
};
#ifdef DEBUG_WHOLE
Msg (MSGT_DEBUG, "Machine_Reset();");
#endif
// Unpause machine if necessary
if (machine & MACHINE_PAUSED)
Machine_Pause ();
// Set driver & machine stuff
drv_set (cur_machine.driver_id);
Machine_Set_Mapper ();
if ((machine & MACHINE_RUN) != 0 /*== MACHINE_RUN */ && (cur_drv->id != DRV_NES))
Machine_Set_Mapping (); // ^^ FIXME: the test above isn't beautiful since MACHINE_RUN contains multiple flags, but I'm unsure which of them is actually needed to perform the correct test
Machine_Set_Handler_IO ();
Machine_Set_Handler_Read ();
Machine_Set_Handler_Write ();
Machine_Set_Handler_Loop ();
Machine_Set_Country ();
Machine_Set_IPeriod ();
Machine_Set_TV_Lines ();
// VDP MODEL --------------------------------------------------------------
if (DB_CurrentEntry && DB_CurrentEntry->emu_vdp_model != -1)
cur_machine.VDP.model = DB_CurrentEntry->emu_vdp_model;
else
{
if (cur_drv->id == DRV_GG)
cur_machine.VDP.model = VDP_MODEL_315_5378;
else
cur_machine.VDP.model = VDP_MODEL_315_5226;
}
// 3-D GLASSES ------------------------------------------------------------
sms.Glasses_Register = ((Glasses.Mode == GLASSES_MODE_SHOW_ONLY_LEFT) ? 1 : 0);
// CPU (MARAT FAIZULLIN'S CORE) -------------------------------------------
CPU_Loop_Stop = TRUE;
CPU_ForceNMI = FALSE;
#ifdef MARAT_Z80
sms.R.IPeriod = opt.Cur_IPeriod;
sms.R.Trace = FALSE;
ResetZ80 (&sms.R);
sms.R.IFF |= IFF_IM1;
sms.R.IAutoReset = FALSE;
sms.R.TrapBadOps = FALSE;
// CPU (MAME'S CORE) ------------------------------------------------------
#elif MAME_Z80
z80_reset (NULL);
z80_set_irq_callback (Get_IRQ_Vector);
z80_set_irq_line (0, ASSERT_LINE);
z80_set_irq_line (0, CLEAR_LINE);
// CPU (RICHARD MITTON'S CORE) --------------------------------------------
#elif RAZE_Z80
z80_init_memmap ();
z80_add_write (0x0000, 0xFFFF, Z80_MAP_HANDLED, WrZ80);
for (i = 0; i < 4; i ++)
{
z80_add_read ((i * 0x2000), (i * 0x2000) + 0x1FFF, Z80_MAP_DIRECT, Mem_Pages [i]);
z80_map_fetch ((i * 0x2000), (i * 0x2000) + 0x1FFF, Mem_Pages [i]);
}
for (i = 4; i < 8; i ++)
{
z80_map_fetch ((i * 0x2000), (i * 0x2000) + 0x1FFF, Mem_Pages [i]);
z80_map_read ((i * 0x2000), (i * 0x2000) + 0x1FFF, Mem_Pages [i]);
}
z80_set_in (InZ80);
z80_set_out (OutZ80);
z80_end_memmap ();
z80_reset ();
#endif
// MEMORY -----------------------------------------------------------------
memset (RAM, 0, 0x10000); // Clear all RAM
memset (VRAM, 0, 0x04000); // Clear all VRAM
PRAM = PRAM_Static;
memset (PRAM, 0, 0x00040); // Clear all PRAM (palette)
// Unload BIOS if...
if ((cur_drv->id != DRV_SMS || sms.Country != COUNTRY_EXPORT) && (machine & MACHINE_ROM_LOADED))
{
#ifdef DEBUG_WHOLE
Msg (MSGT_DEBUG, "Machine_Reset(): BIOS_Unload()");
#endif
BIOS_Unload ();
}
// GRAPHICS ---------------------------------------------------------------
for (i = 0; i < 16; i++)
Tms_VDP_Out (i, ((i == 1 && cur_drv->id == DRV_COLECO) ? 0x00 : VDPInit [i]));
for (i = 0; i < MAX_TILES; i++)
tgfx.Tile_Dirty [i] = TILE_DIRTY_DECODE | TILE_DIRTY_REDRAW;
VDP_UpdateLineLimits();
clear_bitmap (screenbuffer_1);
clear_bitmap (screenbuffer_2);
screenbuffer = screenbuffer_1;
screenbuffer_next = screenbuffer_2;
cur_machine.VDP.sprite_shift_x = 0;
cur_machine.VDP.scroll_x_latched = 0;
cur_machine.VDP.scroll_y_latched = 0;
memset(cur_machine.VDP.scroll_x_latched_table, 0, sizeof(cur_machine.VDP.scroll_x_latched_table));
tsms.VDP_Video_Change = VDP_VIDEO_CHANGE_ALL;
// GRAPHICS: SPRITE FLICKERING --------------------------------------------
if (g_Configuration.sprite_flickering & SPRITE_FLICKERING_AUTO)
{
if (DB_CurrentEntry && (DB_CurrentEntry->flags & DB_FLAG_EMU_SPRITE_FLICKER))
g_Configuration.sprite_flickering |= SPRITE_FLICKERING_ENABLED;
else
g_Configuration.sprite_flickering &= ~SPRITE_FLICKERING_ENABLED;
}
// PALETTE ----------------------------------------------------------------
//if (machine & MACHINE_POWER_ON)
Palette_Emulation_Reset();
// INPUT/OUTPUT/VDP -------------------------------------------------------
sms.VDP_Status = 0x00;
sms.VDP_Address = 0x0000;
sms.VDP_Access_Mode = VDP_Access_Mode_1;
sms.VDP_Access_First = 0x00;
sms.VDP_Pal = 0x00;
sms.VDP_ReadLatch = 0x00;
sms.Lines_Left = 255;
sms.Pending_HBlank = FALSE;
sms.Pending_NMI = FALSE;
tsms.VDP_Line = 0;
// CONTROLLERS ------------------------------------------------------------
for (i = 0; i < 8; i ++)
tsms.Control [i] = 0xFFFF; /* 0x3FFF */
tsms.Control_GG = /*0x20 | 0x80*/ 0;
tsms.Control_Start_Pause = 0;
tsms.Periph_Nat = 0;
sms.Input_Mode = 0x07;
// SOUND ------------------------------------------------------------------
sms.FM_Register = 0;
sms.FM_Magic = 0;
// if (fm_use == TRUE) fm_init (FM_ALL_INIT);
// resume_fm ();
FM_Reset ();
SN76489_Reset (cur_machine.TV->CPU_clock, audio_sample_rate);
if (Sound.LogVGM.Logging == VGM_LOGGING_ACCURACY_SAMPLE)
VGM_Update_Timing (&Sound.LogVGM);
// Reset sound cycle counter
Sound_Update_Count = 0;
Sound_CycleCounter = 0;
// FIXME: add a reset handler per driver, instead of the code below...
// GAME GEAR COMMUNICATION PORT
if (cur_machine.driver_id == DRV_GG)
{
Comm_Reset ();
}
// SF-7000
if (cur_machine.driver_id == DRV_SF7000)
{
SF7000_Reset ();
}
// NINTENDO CRAP
if (cur_machine.driver_id == DRV_NES /* && cfg.NES_Enabled */)
{
ROM = Game_ROM;
NES_Reset ();
}
// DEBUGGER ---------------------------------------------------------------
#ifdef MEKA_Z80_DEBUGGER
Debugger_MachineReset ();
#endif
}
void ProcessMenu(long menuCode)
{
short theMenu, theItem, daNum, err;
Str255 daName;
if(menuCode==0) return;
theMenu = menuCode>>16;
theItem = menuCode&0xffff;
switch(theMenu) {
case kAppleMenuID: {
if(theItem==1) DoAbout();
else { GetMenuItemText(GetMenuHandle(kAppleMenuID), theItem, daName); daNum = OpenDeskAcc(daName); }
break;
}
case kFileMenuID:
switch(theItem) {
case 1:
err = OpenCart();
break;
case 2:
DoCloseWindow(FrontWindow());
break;
case 4:
gDone = true;
}
break;
case kEditMenuID:
switch(theItem) {
case 8: // ROM Header
if(ROM_HeaderEdit()) {
NES_StoreHeader();
NES_Reset();
FullUpdate();
}
break;
case 10: // CONTROLS
Keys_Edit();
break;
case 11: // PREFERENCES
Prefs_Edit();
break;
}
break;
case kNESMenuID:
switch(theItem) {
case 1: // RUN
if(!gRunning) {
NES_Run();
}
break;
case 2: // STOP
if(gRunning) {
Stat_ForceUpdate();
FullUpdate();
NES_Stop();
}
break;
case 4: // RESET
#ifdef GB_DEBUG
TF_AddLine("== NES is reset.");
#endif
NES_Reset();
FullUpdate();
break;
}
break;
#ifdef GB_DEBUG
case kExtraMenuID:
switch(theItem) {
case 1: // PATTERN TABLES
if(patWind) {
DisposeWindow(patWind);
patWind = 0L;
} else {
patWind = GetNewWindow(kPatWindID,0L,(WindowPtr)-1);
NES_PatUpdate();
}
break;
case 2: // NAME TABLES
if(namWind) {
DisposeWindow(namWind);
namWind = 0L;
} else {
namWind = GetNewWindow(kNamWindID,0L,(WindowPtr)-1);
NES_NamUpdate();
}
break;
case 3: // PALETTES
if(palWind) {
DisposeWindow(palWind);
palWind = 0L;
} else {
palWind = GetNewWindow(kPalWindID,0L,(WindowPtr)-1);
NES_PalUpdate();
}
break;
case 5: // FRAME
pnes->refreshFlag = 1;
NES_Frame((long)pcpu);
FullUpdate();
break;
case 6: // STEP
DisAsmLine();
NES_Step((long)pcpu);
FullUpdate();
break;
case 7: // EDIT MEM
DoEditMem(0);
FullUpdate();
break;
case 9: // NMI
P6502_NMI((long)pcpu);
Stat_ForceUpdate();
break;
case 10: // IRQ
P6502_IRQ((long)pcpu);
Stat_ForceUpdate();
break;
case 12: // Blub
Blub();
break;
}
break;
#endif
case kSearchMenuID:
switch(theItem) {
case 1: // SEARCH MEMORY
Srch_Search();
break;
case 3: // SAVE WP's
WP_SaveWatchPoints();
break;
case 5: // SEARCH RESULTS
Srch_ShowResultsWindow();
break;
case 6: // WATCH POINTS
if(wpWind) {
DisposeWindow(wpWind);
wpWind = 0L;
} else {
WP_OpenWindow();
WP_Update();
}
break;
}
break;
case kLdsMenuID: // Load State SubMenu
if((theItem>0) && (theItem<9))
NES_LoadState(theItem-1);
// --> UPDATE FRAME
case kStsMenuID: // Save State SubMenu
if((theItem>0) && (theItem<9))
NES_SaveState(theItem-1);
default:
break;
}
if(!gRunning || !Prefs.doubleSize)
HiliteMenu(0);
}