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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"
1.1.1.23! root 22: #include "ioMem.h"
1.1.1.14 root 23: #include "cycInt.h"
1.1 root 24: #include "m68000.h"
25: #include "mfp.h"
1.1.1.12 root 26: #include "midi.h"
1.1.1.23! root 27: #include "ncr5380.h"
1.1 root 28: #include "psg.h"
29: #include "reset.h"
1.1.1.23! root 30: #include "scc.h"
1.1 root 31: #include "screen.h"
32: #include "sound.h"
33: #include "stMemory.h"
34: #include "tos.h"
1.1.1.10 root 35: #include "vdi.h"
1.1.1.18 root 36: #include "nvram.h"
1.1 root 37: #include "video.h"
1.1.1.10 root 38: #include "falcon/videl.h"
1.1.1.17 root 39: #include "falcon/dsp.h"
1.1.1.15 root 40: #include "debugcpu.h"
41: #include "debugdsp.h"
1.1.1.21 root 42: #include "nf_scsidrv.h"
1.1.1.2 root 43:
44: /*-----------------------------------------------------------------------*/
1.1.1.10 root 45: /**
46: * Reset ST emulator states, chips, interrupts and registers.
47: * Return zero or negative TOS image load error code.
48: */
1.1.1.11 root 49: static int Reset_ST(bool bCold)
1.1 root 50: {
1.1.1.10 root 51: if (bCold)
52: {
53: int ret;
54:
1.1.1.23! root 55: IoMem_Reset();
1.1.1.10 root 56: Floppy_GetBootDrive(); /* Find which device to boot from (A: or C:) */
57:
1.1.1.23! root 58: ret = TOS_InitImage(); /* Load TOS and copy it into ROM memory */
1.1.1.10 root 59: if (ret)
60: return ret; /* If we can not load a TOS image, return now! */
61:
62: Cart_ResetImage(); /* Load cartridge program into ROM memory. */
1.1.1.23! root 63:
1.1.1.21 root 64: /* Video timings can change only on cold boot (wakeup states) */
65: Video_SetTimings ( ConfigureParams.System.nMachineType , ConfigureParams.System.VideoTimingMode );
1.1.1.10 root 66: }
1.1.1.22 root 67:
68: STMemory_Reset (bCold);
1.1.1.14 root 69: CycInt_Reset(); /* Reset interrupts */
1.1.1.10 root 70: MFP_Reset(); /* Setup MFP chip */
71: Video_Reset(); /* Reset video */
1.1.1.16 root 72: VDI_Reset(); /* Reset internal VDI variables */
1.1.1.18 root 73: NvRam_Reset(); /* reset NvRAM (video) settings */
1.1.1.10 root 74:
75: GemDOS_Reset(); /* Reset GEMDOS emulation */
76: if (bCold)
77: {
1.1.1.19 root 78: FDC_Reset( bCold ); /* Reset FDC */
1.1.1.10 root 79: }
1.1.1.16 root 80: Floppy_Reset(); /* Reset Floppy */
1.1.1.10 root 81:
1.1.1.21 root 82: if (Config_IsMachineFalcon() || Config_IsMachineTT())
1.1.1.19 root 83: {
84: Ncr5380_Reset();
85: }
86:
1.1.1.21 root 87: if (Config_IsMachineFalcon())
1.1.1.19 root 88: {
1.1.1.17 root 89: DSP_Reset(); /* Reset the DSP */
1.1.1.14 root 90: Crossbar_Reset(bCold); /* Reset Crossbar sound */
1.1.1.17 root 91: }
1.1.1.14 root 92: else
93: DmaSnd_Reset(bCold); /* Reset DMA sound */
94:
1.1.1.10 root 95: PSG_Reset(); /* Reset PSG */
96: Sound_Reset(); /* Reset Sound */
1.1.1.18 root 97: ACIA_Reset( ACIA_Array ); /* ACIA */
98: IKBD_Reset(bCold); /* Keyboard (after ACIA) */
1.1.1.23! root 99: SCC_Reset();
1.1.1.21 root 100: if (Config_IsMachineFalcon() && !bUseVDIRes)
1.1.1.10 root 101: VIDEL_reset();
102: else
1.1.1.23! root 103: Screen_Reset(); /* Reset screen */
! 104:
! 105: M68000_Reset(bCold); /* Reset CPU */
1.1.1.10 root 106:
1.1.1.15 root 107: DebugCpu_SetDebugging(); /* Re-set debugging flag if needed */
108: DebugDsp_SetDebugging();
109:
1.1.1.12 root 110: Midi_Reset();
111:
1.1.1.21 root 112: #if defined(__linux__)
113: nf_scsidrv_reset();
114: #endif
115:
1.1.1.13 root 116: /* Start HBL, Timer B and VBL interrupts with a 0 cycle delay */
117: Video_StartInterrupts( 0 );
1.1.1.7 root 118:
1.1.1.10 root 119: return 0;
1.1 root 120: }
121:
1.1.1.2 root 122:
123: /*-----------------------------------------------------------------------*/
1.1.1.10 root 124: /**
125: * Cold reset ST (reset memory, all registers and reboot)
126: */
127: int Reset_Cold(void)
1.1 root 128: {
1.1.1.20 root 129: /* Set mouse pointer to the middle of the screen */
130: Main_WarpMouse(sdlscrn->w/2, sdlscrn->h/2, false);
1.1.1.10 root 131:
1.1.1.13 root 132: return Reset_ST(true);
1.1 root 133: }
134:
1.1.1.2 root 135:
136: /*-----------------------------------------------------------------------*/
1.1.1.10 root 137: /**
138: * Warm reset ST (reset registers, leave in same state and reboot)
139: */
140: int Reset_Warm(void)
1.1 root 141: {
1.1.1.13 root 142: return Reset_ST(false);
1.1 root 143: }
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