minivmac4ios/Mini vMac/mnvm_core/GLOBGLUE.h

/*
	GLOBGLUE.h

	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.
*/

#ifdef GLOBGLUE_H
#error "header already included"
#else
#define GLOBGLUE_H
#endif


#define kEmMd_128K        0
#define kEmMd_512Ke       1
#define kEmMd_Plus        2
#define kEmMd_SE          3
#define kEmMd_SEFDHD      4
#define kEmMd_Classic     5
#define kEmMd_PB100       6
#define kEmMd_II          7
#define kEmMd_IIx         8

#define RAMSafetyMarginFudge 4

#define kRAM_Size (kRAMa_Size + kRAMb_Size)
EXPORTVAR(ui3p, RAM)
	/*
		allocated by MYOSGLUE to be at least
			kRAM_Size + RAMSafetyMarginFudge
		bytes. Because of shortcuts taken in GLOBGLUE.c, it is in theory
		possible for the emulator to write up to 3 bytes past kRAM_Size.
	*/

#if EmVidCard
EXPORTVAR(ui3p, VidROM)
#endif

#if IncludeVidMem
EXPORTVAR(ui3p, VidMem)
#endif

EXPORTPROC MemOverlay_ChangeNtfy(void);

#if (CurEmMd == kEmMd_II) || (CurEmMd == kEmMd_IIx)
EXPORTPROC Addr32_ChangeNtfy(void);
#endif

/*
	representation of pointer into memory of emulated computer.
*/
typedef ui5b CPTR;

/*
	mapping of address space to real memory
*/

EXPORTFUNC ui3p get_real_address0(ui5b L, blnr WritableMem, CPTR addr,
	ui5b *actL);

/*
	memory access routines that can use when have address
	that is known to be in RAM (and that is in the first
	copy of the ram, not the duplicates, i.e. < kRAM_Size).
*/

#define get_ram_byte(addr) do_get_mem_byte((addr) + RAM)
#define get_ram_word(addr) do_get_mem_word((addr) + RAM)
#define get_ram_long(addr) do_get_mem_long((addr) + RAM)

#define put_ram_byte(addr, b) do_put_mem_byte((addr) + RAM, (b))
#define put_ram_word(addr, w) do_put_mem_word((addr) + RAM, (w))
#define put_ram_long(addr, l) do_put_mem_long((addr) + RAM, (l))

#define get_ram_address(addr) ((addr) + RAM)

/*
	accessing addresses that don't map to
	real memory, i.e. memory mapped devices
*/

EXPORTFUNC blnr AddrSpac_Init(void);


#define ui5r_FromSByte(x) ((ui5r)(si5r)(si3b)(ui3b)(x))
#define ui5r_FromSWord(x) ((ui5r)(si5r)(si4b)(ui4b)(x))
#define ui5r_FromSLong(x) ((ui5r)(si5r)(si5b)(ui5b)(x))

#define ui5r_FromUByte(x) ((ui5r)(ui3b)(x))
#define ui5r_FromUWord(x) ((ui5r)(ui4b)(x))
#define ui5r_FromULong(x) ((ui5r)(ui5b)(x))


#define LOCALPROCUSEDONCE LOCALFUNC MayInline void

#if WantDisasm
EXPORTPROC dbglog_StartLine(void);
#else
#define dbglog_StartLine()
#endif

#if dbglog_HAVE
EXPORTPROC dbglog_WriteMemArrow(blnr WriteMem);

EXPORTPROC dbglog_WriteNote(char *s);
EXPORTPROC dbglog_WriteSetBool(char *s, blnr v);
EXPORTPROC dbglog_AddrAccess(char *s,
	ui5r Data, blnr WriteMem, ui5r addr);
EXPORTPROC dbglog_Access(char *s, ui5r Data, blnr WriteMem);
#endif

#if dbglog_HAVE
#define ReportAbnormal DoReportAbnormal
EXPORTPROC DoReportAbnormal(char *s);
#else
#define ReportAbnormal(s) DoReportAbnormal()
EXPORTPROC DoReportAbnormal(void);
#endif

EXPORTPROC VIAorSCCinterruptChngNtfy(void);

EXPORTVAR(blnr, InterruptButton)
EXPORTPROC SetInterruptButton(blnr v);

enum {
	kICT_SubTick,
#if EmClassicKbrd
	kICT_Kybd_ReceiveCommand,
	kICT_Kybd_ReceiveEndCommand,
#endif
#if EmADB
	kICT_ADB_NewState,
#endif
#if EmPMU
	kICT_PMU_Task,
#endif
	kICT_VIA1_Timer1Check,
	kICT_VIA1_Timer2Check,
#if EmVIA2
	kICT_VIA2_Timer1Check,
	kICT_VIA2_Timer2Check,
#endif

	kNumICTs
};

EXPORTPROC ICT_add(int taskid, ui5b n);

#define iCountt ui5b
EXPORTFUNC iCountt GetCuriCount(void);
EXPORTPROC ICT_Zap(void);

EXPORTVAR(uimr, ICTactive)
EXPORTVAR(iCountt, ICTwhen[kNumICTs])
EXPORTVAR(iCountt, NextiCount)

EXPORTVAR(ui3b, Wires[kNumWires])

#define kLn2CycleScale 6
#define kCycleScale (1 << kLn2CycleScale)

#if WantCycByPriOp
#define RdAvgXtraCy