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