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1.1 root 1: /*
2: Hatari
3:
1.1.1.18 root 4: This file is distributed under the GNU General Public License, version 2
5: or at your option any later version. Read the file gpl.txt for details.
1.1.1.4 root 6:
7: Reset emulation state.
1.1 root 8: */
1.1.1.13 root 9: const char Reset_fileid[] = "Hatari reset.c : " __DATE__ " " __TIME__;
1.1 root 10:
11: #include "main.h"
1.1.1.10 root 12: #include "configuration.h"
1.1 root 13: #include "cart.h"
1.1.1.8 root 14: #include "dmaSnd.h"
1.1.1.14 root 15: #include "crossbar.h"
1.1 root 16: #include "fdc.h"
17: #include "floppy.h"
18: #include "gemdos.h"
1.1.1.19 root 19: #include "hdc.h"
1.1.1.18 root 20: #include "acia.h"
1.1 root 21: #include "ikbd.h"
1.1.1.14 root 22: #include "cycInt.h"
1.1 root 23: #include "m68000.h"
24: #include "mfp.h"
1.1.1.12 root 25: #include "midi.h"
1.1 root 26: #include "psg.h"
27: #include "reset.h"
28: #include "screen.h"
29: #include "sound.h"
30: #include "stMemory.h"
31: #include "tos.h"
1.1.1.10 root 32: #include "vdi.h"
1.1.1.18 root 33: #include "nvram.h"
1.1 root 34: #include "video.h"
1.1.1.10 root 35: #include "falcon/videl.h"
1.1.1.17 root 36: #include "falcon/dsp.h"
1.1.1.15 root 37: #include "debugcpu.h"
38: #include "debugdsp.h"
1.1.1.2 root 39:
40: /*-----------------------------------------------------------------------*/
1.1.1.10 root 41: /**
42: * Reset ST emulator states, chips, interrupts and registers.
43: * Return zero or negative TOS image load error code.
44: */
1.1.1.11 root 45: static int Reset_ST(bool bCold)
1.1 root 46: {
1.1.1.10 root 47: if (bCold)
48: {
49: int ret;
50:
51: Floppy_GetBootDrive(); /* Find which device to boot from (A: or C:) */
52:
53: ret = TOS_LoadImage(); /* Load TOS, writes into cartridge memory */
54: if (ret)
55: return ret; /* If we can not load a TOS image, return now! */
56:
57: Cart_ResetImage(); /* Load cartridge program into ROM memory. */
1.1.1.20! root 58: Cart_Patch();
1.1.1.10 root 59: }
1.1.1.14 root 60: CycInt_Reset(); /* Reset interrupts */
1.1.1.10 root 61: MFP_Reset(); /* Setup MFP chip */
62: Video_Reset(); /* Reset video */
1.1.1.16 root 63: VDI_Reset(); /* Reset internal VDI variables */
1.1.1.18 root 64: NvRam_Reset(); /* reset NvRAM (video) settings */
1.1.1.10 root 65:
66: GemDOS_Reset(); /* Reset GEMDOS emulation */
67: if (bCold)
68: {
1.1.1.19 root 69: FDC_Reset( bCold ); /* Reset FDC */
1.1.1.10 root 70: }
1.1.1.16 root 71: Floppy_Reset(); /* Reset Floppy */
1.1.1.10 root 72:
1.1.1.19 root 73: if (ConfigureParams.System.nMachineType == MACHINE_FALCON
74: || ConfigureParams.System.nMachineType == MACHINE_TT)
75: {
76: Ncr5380_Reset();
77: }
78:
79: if (ConfigureParams.System.nMachineType == MACHINE_FALCON)
80: {
1.1.1.17 root 81: DSP_Reset(); /* Reset the DSP */
1.1.1.14 root 82: Crossbar_Reset(bCold); /* Reset Crossbar sound */
1.1.1.17 root 83: }
1.1.1.14 root 84: else
85: DmaSnd_Reset(bCold); /* Reset DMA sound */
86:
1.1.1.10 root 87: PSG_Reset(); /* Reset PSG */
88: Sound_Reset(); /* Reset Sound */
1.1.1.18 root 89: ACIA_Reset( ACIA_Array ); /* ACIA */
90: IKBD_Reset(bCold); /* Keyboard (after ACIA) */
1.1.1.10 root 91: if (ConfigureParams.System.nMachineType == MACHINE_FALCON && !bUseVDIRes)
92: VIDEL_reset();
93: else
94: Screen_Reset(); /* Reset screen */
95: M68000_Reset(bCold); /* Reset CPU */
96:
1.1.1.15 root 97: DebugCpu_SetDebugging(); /* Re-set debugging flag if needed */
98: DebugDsp_SetDebugging();
99:
1.1.1.12 root 100: Midi_Reset();
101:
1.1.1.13 root 102: /* Start HBL, Timer B and VBL interrupts with a 0 cycle delay */
103: Video_StartInterrupts( 0 );
1.1.1.7 root 104:
1.1.1.10 root 105: return 0;
1.1 root 106: }
107:
1.1.1.2 root 108:
109: /*-----------------------------------------------------------------------*/
1.1.1.10 root 110: /**
111: * Cold reset ST (reset memory, all registers and reboot)
112: */
113: int Reset_Cold(void)
1.1 root 114: {
1.1.1.20! root 115: /* Set mouse pointer to the middle of the screen */
! 116: Main_WarpMouse(sdlscrn->w/2, sdlscrn->h/2, false);
1.1.1.10 root 117:
1.1.1.13 root 118: return Reset_ST(true);
1.1 root 119: }
120:
1.1.1.2 root 121:
122: /*-----------------------------------------------------------------------*/
1.1.1.10 root 123: /**
124: * Warm reset ST (reset registers, leave in same state and reboot)
125: */
126: int Reset_Warm(void)
1.1 root 127: {
1.1.1.13 root 128: return Reset_ST(false);
1.1 root 129: }
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