uvmac/src/GLOBGLUE.h
2020-07-11 12:24:29 -04:00

288 lines
6.5 KiB
C

/*
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.
*/
#ifndef GLOBGLUE_H
#define GLOBGLUE_H
#include "CNFGRAPI.h"
#include "EMCONFIG.h"
#include "SYSDEPNS.h"
// various globals
extern bool SpeedStopped;
extern bool RunInBackground;
extern bool WantFullScreen;
extern bool WantMagnify;
extern bool RequestInsertDisk;
extern uint8_t RequestIthDisk;
extern bool ControlKeyPressed;
#define kEmMd_Twig43 0
#define kEmMd_Twiggy 1
#define kEmMd_128K 2
#define kEmMd_512Ke 3
#define kEmMd_Plus 4
#define kEmMd_SE 5
#define kEmMd_SEFDHD 6
#define kEmMd_Classic 7
#define kEmMd_PB100 8
#define kEmMd_II 9
#define kEmMd_IIx 10
#define RAMSafetyMarginFudge 4
#define kRAM_Size (kRAMa_Size + kRAMb_Size)
EXPORTVAR(uint8_t *, 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(uint8_t *, VidROM)
#endif
#if IncludeVidMem
EXPORTVAR(uint8_t *, 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 uint32_t CPTR;
/*
mapping of address space to real memory
*/
EXPORTFUNC uint8_t * get_real_address0(uint32_t L, bool WritableMem, CPTR addr,
uint32_t *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).
*/
#ifndef ln2mtb
#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))
#else
#define get_ram_byte get_vm_byte
#define get_ram_word get_vm_word
#define get_ram_long get_vm_long
#define put_ram_byte put_vm_byte
#define put_ram_word put_vm_word
#define put_ram_long put_vm_long
#endif
#define get_ram_address(addr) ((addr) + RAM)
/*
accessing addresses that don't map to
real memory, i.e. memory mapped devices
*/
EXPORTFUNC bool AddrSpac_Init(void);
#define uint32_t_FromSByte(x) ((uint32_t)(int32_t)(int8_t)(uint8_t)(x))
#define uint32_t_FromSWord(x) ((uint32_t)(int32_t)(int16_t)(uint16_t)(x))
#define uint32_t_FromSLong(x) ((uint32_t)(int32_t)(int32_t)(uint32_t)(x))
#define uint32_t_FromUByte(x) ((uint32_t)(uint8_t)(x))
#define uint32_t_FromUWord(x) ((uint32_t)(uint16_t)(x))
#define uint32_t_FromULong(x) ((uint32_t)(uint32_t)(x))
#if WantDisasm
EXPORTPROC dbglog_StartLine(void);
#else
#define dbglog_StartLine()
#endif
#if dbglog_HAVE
EXPORTPROC dbglog_WriteMemArrow(bool WriteMem);
EXPORTPROC dbglog_WriteNote(char *s);
EXPORTPROC dbglog_WriteSetBool(char *s, bool v);
EXPORTPROC dbglog_AddrAccess(char *s,
uint32_t Data, bool WriteMem, uint32_t addr);
EXPORTPROC dbglog_Access(char *s, uint32_t Data, bool WriteMem);
#endif
#if ! WantAbnormalReports
#define ReportAbnormalID(id, s)
#else
#if dbglog_HAVE
#define ReportAbnormalID DoReportAbnormalID
#else
#define ReportAbnormalID(id, s) DoReportAbnormalID(id)
#endif
EXPORTPROC DoReportAbnormalID(uint16_t id
#if dbglog_HAVE
, char *s
#endif
);
#endif /* WantAbnormalReports */
EXPORTPROC VIAorSCCinterruptChngNtfy(void);
EXPORTVAR(bool, InterruptButton)
EXPORTPROC SetInterruptButton(bool 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, uint32_t n);
#define iCountt uint32_t
EXPORTFUNC iCountt GetCuriCount(void);
EXPORTPROC ICT_Zap(void);
EXPORTVAR(uimr, ICTactive)
EXPORTVAR(iCountt, ICTwhen[kNumICTs])
EXPORTVAR(iCountt, NextiCount)
EXPORTVAR(uint8_t, Wires[kNumWires])
#define kLn2CycleScale 6
#define kCycleScale (1 << kLn2CycleScale)
#if WantCycByPriOp
#define RdAvgXtraCyc /* 0 */ (kCycleScale + kCycleScale / 4)
#define WrAvgXtraCyc /* 0 */ (kCycleScale + kCycleScale / 4)
#endif
#define kNumSubTicks 16
#define HaveMasterEvtQLock EmClassicKbrd
#if HaveMasterEvtQLock
EXPORTVAR(uint16_t, MasterEvtQLock)
#endif
EXPORTFUNC bool FindKeyEvent(int *VirtualKey, bool *KeyDown);
/* minivmac extensions */
#define ExtnDat_checkval 0
#define ExtnDat_extension 2
#define ExtnDat_commnd 4
#define ExtnDat_result 6
#define ExtnDat_params 8
#define kCmndVersion 0
#define ExtnDat_version 8
enum {
kExtnFindExtn, /* must be first */
kExtnDisk,
kExtnSony,
#if EmVidCard
kExtnVideo,
#endif
#if IncludeExtnPbufs
kExtnParamBuffers,
#endif
#if IncludeExtnHostTextClipExchange
kExtnHostTextClipExchange,
#endif
kNumExtns
};
#define kcom_callcheck 0x5B17
EXPORTVAR(uint32_t, disk_icon_addr)
EXPORTPROC Memory_Reset(void);
EXPORTPROC Extn_Reset(void);
EXPORTPROC customreset(void);
struct ATTer {
struct ATTer *Next;
uint32_t cmpmask;
uint32_t cmpvalu;
uint32_t Access;
uint32_t usemask; /* Should be one less than a power of two. */
uint8_t * usebase;
uint8_t MMDV;
uint8_t Ntfy;
uint16_t Pad0;
uint32_t Pad1; /* make 32 byte structure, on 32 bit systems */
};
typedef struct ATTer ATTer;
typedef ATTer *ATTep;
#define kATTA_readreadybit 0
#define kATTA_writereadybit 1
#define kATTA_mmdvbit 2
#define kATTA_ntfybit 3
#define kATTA_readwritereadymask \
((1 << kATTA_readreadybit) | (1 << kATTA_writereadybit))
#define kATTA_readreadymask (1 << kATTA_readreadybit)
#define kATTA_writereadymask (1 << kATTA_writereadybit)
#define kATTA_mmdvmask (1 << kATTA_mmdvbit)
#define kATTA_ntfymask (1 << kATTA_ntfybit)
EXPORTFUNC uint32_t MMDV_Access(ATTep p, uint32_t Data,
bool WriteMem, bool ByteSize, CPTR addr);
EXPORTFUNC bool MemAccessNtfy(ATTep pT);
#endif