minivmac4ios/Mini vMac/mnvm_core/GLOBGLUE.c

/*
	GLOBGLUE.c

	Copyright (C) 2003 Bernd Schmidt, Philip Cummins, Paul C. Pratt

	You can redistribute this file and/or modify it under the terms
	of version 2 of the GNU General Public License as published by
	the Free Software Foundation.  You should have received a copy
	of the license along with this file; see the file COPYING.

	This file is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	license for more details.
*/

/*
	GLOBal GLUE (or GLOB of GLUE)

	Holds the program together.

	Some code here adapted from "custom.c" in vMac by Philip Cummins,
	in turn descended from code in the Un*x Amiga Emulator by
	Bernd Schmidt.
*/

#ifndef AllFiles
#include "SYSDEPNS.h"

#include "MYOSGLUE.h"
#include "ENDIANAC.h"
#include "EMCONFIG.h"
#endif

#include "GLOBGLUE.h"

/*
	ReportAbnormalID unused 0x111D - 0x11FF
*/

/*
	ReportAbnormalID ranges unused 0x12xx - 0xFFxx
*/

IMPORTPROC m68k_reset(void);
IMPORTPROC IWM_Reset(void);
IMPORTPROC SCC_Reset(void);
IMPORTPROC SCSI_Reset(void);
IMPORTPROC VIA1_Reset(void);
#if EmVIA2
IMPORTPROC VIA2_Reset(void);
#endif
IMPORTPROC Sony_Reset(void);

IMPORTPROC ExtnDisk_Access(CPTR p);
IMPORTPROC ExtnSony_Access(CPTR p);
#if EmVidCard
IMPORTPROC ExtnVideo_Access(CPTR p);
#endif

IMPORTPROC Sony_SetQuitOnEject(void);

IMPORTPROC m68k_IPLchangeNtfy(void);
IMPORTPROC MINEM68K_Init(
	ui3b *fIPL);

IMPORTFUNC ui5b GetCyclesRemaining(void);
IMPORTPROC SetCyclesRemaining(ui5b n);

IMPORTPROC SetHeadATTel(ATTep p);
IMPORTFUNC ATTep FindATTel(CPTR addr);

IMPORTFUNC ui5b SCSI_Access(ui5b Data, blnr WriteMem, CPTR addr);
IMPORTFUNC ui5b SCC_Access(ui5b Data, blnr WriteMem, CPTR addr);
IMPORTFUNC ui5b IWM_Access(ui5b Data, blnr WriteMem, CPTR addr);
IMPORTFUNC ui5b VIA1_Access(ui5b Data, blnr WriteMem, CPTR addr);
#if EmVIA2
IMPORTFUNC ui5b VIA2_Access(ui5b Data, blnr WriteMem, CPTR addr);
#endif
#if EmASC
IMPORTFUNC ui5b ASC_Access(ui5b Data, blnr WriteMem, CPTR addr);
#endif

IMPORTFUNC ui3r get_vm_byte(CPTR addr);
IMPORTFUNC ui4r get_vm_word(CPTR addr);
IMPORTFUNC ui5r get_vm_long(CPTR addr);

IMPORTPROC put_vm_byte(CPTR addr, ui3r b);
IMPORTPROC put_vm_word(CPTR addr, ui4r w);
IMPORTPROC put_vm_long(CPTR addr, ui5r l);

GLOBALVAR ui5r my_disk_icon_addr;

GLOBALPROC customreset(void)
{
	IWM_Reset();
	SCC_Reset();
	SCSI_Reset();
	VIA1_Reset();
#if EmVIA2
	VIA2_Reset();
#endif
	Sony_Reset();
	Extn_Reset();
#if CurEmMd <= kEmMd_Plus
	WantMacReset = trueblnr;
	/*
		kludge, code in Finder appears
		to do RESET and not expect
		to come back. Maybe asserting
		the RESET somehow causes
		other hardware compenents to
		later reset the 68000.
	*/
#endif
}

GLOBALVAR ui3p RAM = nullpr;

#if EmVidCard
GLOBALVAR ui3p VidROM = nullpr;
#endif

#if IncludeVidMem
GLOBALVAR ui3p VidMem = nullpr;
#endif

GLOBALVAR ui3b Wires[kNumWires];


#if WantDisasm
IMPORTPROC m68k_WantDisasmContext(void);
#endif

#if WantDisasm
GLOBALPROC dbglog_StartLine(void)
{
	m68k_WantDisasmContext();
	dbglog_writeCStr(" ");
}
#endif

#if dbglog_HAVE
GLOBALPROC dbglog_WriteMemArrow(blnr WriteMem)
{
	if (WriteMem) {
		dbglog_writeCStr(" <- ");
	} else {
		dbglog_writeCStr(" -> ");
	}
}
#endif

#if dbglog_HAVE
GLOBALPROC dbglog_AddrAccess(char *s, ui5r Data,
	blnr WriteMem, ui5r addr)
{
	dbglog_StartLine();
	dbglog_writeCStr(s);
	dbglog_writeCStr("[");
	dbglog_writeHex(addr);
	dbglog_writeCStr("]");
	dbglog_WriteMemArrow(WriteMem);
	dbglog_writeHex(Data);
	dbglog_writeReturn();
}
#endif

#if dbglog_HAVE
GLOBALPROC dbglog_Access(char *s, ui5r Data, blnr WriteMem)
{
	dbglog_StartLine();
	dbglog_writeCStr(s);
	dbglog_WriteMemArrow(WriteMem);
	dbglog_writeHex(Data);
	dbglog_writeReturn();
}
#endif

#if dbglog_HAVE
GLOBALPROC dbglog_WriteNote(char *s)
{
	dbglog_StartLine();
	dbglog_writeCStr(s);
	dbglog_writeReturn();
}
#endif

#if dbglog_HAVE
GLOBALPROC dbglog_WriteSetBool(char *s, blnr v)
{
	dbglog_StartLine();
	dbglog_writeCStr(s);
	dbglog_writeCStr(" <- ");
	if (v) {
		dbglog_writeCStr("1");
	} else {
		dbglog_write