Developer CD Series 1992 June: ROMin Holiday

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Text File | 1992-01-29 | 42.2 KB | 1,083 lines | [TEXT/MPS ]

; Version: 1.5 ; Created: Tuesday, September 19, 1989 ; ; File: HardwareEqu.a ; ; Assembler Interface to the Macintosh Libraries ; Copyright Apple Computer, Inc. 1984-1991 ; All Rights Reserved ; ;-------------------------------------------------------------------- ; ; The following information was formerly in "private" files that were ; not released to the general developer community. ; ; The information in this file is not needed for normal application ; development. These equates and macros were necessary for development ; of the Macintosh ToolBox and Operating System, and are likely to be ; dependent on their current implementation. Use of any information ; in this file is likely to cause your software to fail on future ; versions of Macintosh system software or hardware. ; ; Apple Developer Support will not support any use of the following ; information. ; ; In order to prevent any "accidental" use of this information, it has ; been disabled using the conditional-assembly variable, HWNonPortable, ; defined below. If you change this to a non-zero value, you're on your ; own. Since this gives hardware specific equates, we must also define ; which type of Mac we are assembling for. Define the following variable: ; ; onMac 128K, 512K, 512Ke, or Mac Plus ; onMacPP Mac SE ; onNuMac Mac II,IIx,IIcx,SE/30 ; onHafMac Mac IIci ; onHcMac Portable ; onMac16 universal 68000 ROM ; onMac32 universal 68020/30/40/? ROM ; ; Hardware Equates -- This file defines the low-level equates for the ; Macintosh hardware interface. ;-------------------------------------------------------------------- IF &TYPE('__IncludingHardwareEqu__') = 'UNDEFINED' THEN __IncludingHardwareEqu__ SET 1 IF (&TYPE('onMac') = 'UNDEFINED') THEN onMac EQU 0 ENDIF IF (&TYPE('onMacPP') = 'UNDEFINED') THEN onMacPP EQU 0 ENDIF IF (&TYPE('onNuMac') = 'UNDEFINED') THEN onNuMac EQU 0 ENDIF IF (&TYPE('onHafMac') = 'UNDEFINED') THEN onHafMac EQU 0 ENDIF IF (&TYPE('onHcMac') = 'UNDEFINED') THEN onHcMac EQU 0 ENDIF IF (&TYPE('onMac16') = 'UNDEFINED') THEN onMac16 EQU 0 ENDIF IF (&TYPE('onMac32') = 'UNDEFINED') THEN onMac32 EQU 0 ENDIF onAnything EQU onMac|onMacPP|onHcMac|onHafMac|onNuMac ; *** If HWNonPortable is defined to be non-zero, Then a machine type must be specified! ; *** If a machine is specified, HWNonPortable must be non-zero, specified or not. IF (&TYPE('HWNonPortable') = 'UNDEFINED') THEN HWNonPortable EQU onAnything ENDIF IF HWNonPortable THEN ;---------- ; Hardware configuration bits. ;---------- ;the following goes with hwCfgFlags hwCbSCSI EQU 15 ; SCSI port present hwCbClock EQU 14 ; New clock chip present hwCbExPRAM EQU 13 ; Extra Parameter Ram valid. hwCbFPU EQU 12 ; FPU chip present. hwCbMMU EQU 11 ; Some kind of MMU present (see MMUType for what kind). hwCbADB EQU 10 ; Apple Desktop Bus present. hwCbAUX EQU 9 ; Running A/UX <2.8> hwCbPwrMgr EQU 8 ; Power Manager present <2.8> hwCmSCSI EQU (1 << hwCbSCSI) hwCmClock EQU (1 << hwCbClock) hwCmExPRAM EQU (1 << hwCbExPRAM) hwCmFPU EQU (1 << hwCbFPU) hwCmMMU EQU (1 << hwCbMMU) hwCmADB EQU (1 << hwCbADB) hwCmAUX EQU (1 << hwCbAUX) hwCmPwrMgr EQU (1 << hwCbPwrMgr) ;---------- ; 6522 VIA offsets ;---------- vBufB EQU 0 ; BUFFER B vBufAH EQU $200 ; buffer a (with handshake) [ Dont use! ] vDIRB EQU $400 ; DIRECTION B vDIRA EQU $600 ; DIRECTION A vT1C EQU $800 ; TIMER 1 COUNTER (L.O.) vT1CH EQU $A00 ; timer 1 counter (high order) vT1L EQU $C00 ; TIMER 1 LATCH (L.O.) vT1LH EQU $E00 ; timer 1 latch (high order) vT2C EQU $1000 ; TIMER 2 LATCH (L.O.) vT2CH EQU $1200 ; timer 2 counter (high order) vSR EQU $1400 ; SHIFT REGISTER vACR EQU $1600 ; AUX. CONTROL REG. vPCR EQU $1800 ; PERIPH. CONTROL REG. vIFR EQU $1A00 ; INT. FLAG REG. vIER EQU $1C00 ; INT. ENABLE REG. vBufA EQU $1E00 ; BUFFER A ; === VIA IFR/IER bits === ifCA2 EQU 0 ; CA2 interrupt ifCA1 EQU 1 ; CA1 interrupt ifSR EQU 2 ; SR shift register done ifCB2 EQU 3 ; CB2 interrupt ifCB1 EQU 4 ; CB1 interrupt ifT2 EQU 5 ; T2 timer2 interrupt ifT1 EQU 6 ; T1 timer1 interrupt ifIRQ EQU 7 ; any interrupt ;---------- ; IWM Offsets ;---------- ph0L EQU 0 ; disk address offsets from base ph0H EQU $200 ph1L EQU $400 ph1H EQU $600 ph2L EQU $800 ph2H EQU $A00 ph3L EQU $C00 ph3H EQU $E00 mtrOff EQU $1000 mtrOn EQU $1200 intDrive EQU $1400 ; enable internal drive address extDrive EQU $1600 ; enable external drive address q6L EQU $1800 q6H EQU $1A00 q7L EQU $1C00 q7H EQU $1E00 ;_______________________________________; <2.5> ; ; SWIM offsets ;_______________________________________; wData EQU $0000 ;Write a data byte wMark EQU $0200 ;Write a mark byte wCRC EQU $0400 ;Write a 2-byte CRC (1 access does both) wIWMConfig EQU wCRC ;Set IWM configuration wParams EQU $0600 ;Set the 16 parameter registers wPhase EQU $0800 ;Set phase lines states and directions wSetup EQU $0A00 ;Set the current configuration wZeroes EQU $0C00 ;Mode reg: 1's clr bits, 0's=don't care wOnes EQU $0E00 ;Mode reg: 1's set bits, 0's=don't care rData EQU $1000 ;Read a data byte rCorrection EQU rData ;Read the correction factor rMark EQU $1200 ;Read a mark byte rError EQU $1400 ;Error register rParams EQU $1600 ;Parameters (16 bytes deep at this addr) rPhase EQU $1800 ;Phase lines states and directions rSetup EQU $1A00 ;Read the current configuration rStatus EQU $1C00 ;Status (returns current mode reg value) rHandshake EQU $1E00 ;Handshake register ;---------- ; 8530 SCC Offsets ;---------- aData EQU 6 ; offset for A channel data aCtl EQU 2 ; offset for A channel control bData EQU 4 ; offset for B channel data bCtl EQU 0 ; offset for B channel control sccData EQU 4 ; general offset for data from control rxBF EQU 0 ; SCC receive buffer full txBE EQU 2 ; SCC transmit buffer empty RxCA EQU 0 ; Receive Character Available <5> ;---------- ; SCC Clock Rates, Baud Rate Constants ;---------- macClock EQU 36707 ; in Hz * 100 hcMacClock EQU 36720 ; SCC clock rates midMacClock EQU 39168 nuMacClock EQU 36864 lisaAClock EQU 40000 ; port A clock lisaBCLock EQU 36864 ; port B clock macConst EQU 114709 ; in Hz/32 hcMacConst EQU 114750 midMacConst EQU 122400 nuMacConst EQU 115200 lisaAConst EQU 125000 lisaBConst EQU 115200 ;---------- ; 53C80 SCSI Register Defs, Offsets ;---------- sCDR EQU $00 ; Current SCSI Read Data sODR EQU $00 ; Output data register sICR EQU $10 ; Initiator Command Register - READ/WRITE iRST EQU $80 ; *RST asserted iAIP EQU $40 ; arbitration in progress (read) bAIP EQU 6 ; bit test for arbitration in progress aTMD EQU $40 ; assert Test Mode (write) iLA EQU $20 ; Lost arbitration (read) bLA EQU 5 ; bit test for Lost Arbitration aDIFF EQU $20 ; assert Differential enable (write) iACK EQU $10 ; *ACK is asserted iBSY EQU $08 ; *BSY is asserted iSEL EQU $04 ; *SEL is asserted iATN EQU $02 ; *ATN is asserted iDB EQU $01 ; Data bus is asserted sMR EQU $20 ; Mode Register - READ/WRITE iBDMA EQU $80 ; Block Mode DMA iTGT EQU $40 ; Target Mode iPTY EQU $20 ; Enable Parity Checking iIPTY EQU $10 ; Enable Parity interrupt iIEOP EQU $08 ; Enable EOP interrupt iMBSY EQU $04 ; Monitor BSY iDMA EQU $02 ; DMA Mode iARB EQU $01 ; Arbitration sTCR EQU $30 ; Target Command Register - READ/WRITE iREQ EQU $08 ; Assert *REQ iMSG EQU $04 ; Assert *MSG iCD EQU $02 ; Assert C/*D iIO EQU $01 ; Assert I/*O sCSR EQU $40 ; Current SCSI Bus Status (READ) aRST EQU $80 ; *RST aBSY EQU $40 ; *BSY bBSY EQU 6 ; bit test for *BSY aREQ EQU $20 ; *REQ bREQ EQU 5 ; bit test for *REQ aMSG EQU $10 ; *MSG bMSG EQU 4 ; bit test for *MSG aCD EQU $08 ; C/*D bCD EQU 3 ; bit test for C/*D aIO EQU $04 ; I/*O bIO EQU 2 ; bit test for I/*O aSEL EQU $02 ; *SEL bSEL EQU 1 ; bit test for *SEL aDBP EQU $01 ; *DBP sSER EQU $40 ; Select Enable Register (WRITE) sBSR EQU $50 ; Bus & Status Register (READ) iEDMA EQU $80 ; End of DMA bEDMA EQU 7 ; bit test for end of DMA iDMAR EQU $40 ; DMA Request bDMAR EQU 6 ; bit test for DMA Req iPERR EQU $20 ; Parity Error iIREQ EQU $10 ; Interrupt Request bIREQ EQU 4 ; bit test for interrupt iPM EQU $08 ; Phase Match bPM EQU 3 ; bit test for Phase Match iBERR EQU $04 ; Bus Error ATN EQU $02 ; *ATN ACK EQU $01 ; *ACK bACK EQU 0 ; bit test for ACK sDMAtx EQU $50 ; DMA Transmit Start (WRITE) sIDR EQU $60 ; Data input register (READ) sTDMArx EQU $60 ; Start Target DMA receive (WRITE) sRESET EQU $70 ; Reset Parity/Interrupt (READ) sIDMArx EQU $70 ; Start Initiator DMA receive (WRITE) ;---------- ; VIA2 register definitions ;---------- ; === VIA2 BUFFER A === v2IRQ1 EQU 0 ; slot 1 interrupt v2IRQ2 EQU 1 ; slot 2 interrupt v2IRQ3 EQU 2 ; slot 3 interrupt v2IRQ4 EQU 3 ; slot 4 interrupt v2IRQ5 EQU 4 ; slot 5 interrupt v2IRQ6 EQU 5 ; slot 6 interrupt v2RAM0 EQU 6 ; RAM size bit 0 v2RAM1 EQU 7 ; RAM size bit 1 ; === VIA2 BUFFER B === v2CDis EQU 0 ; cache disable (when 1) <3.3> v2BusLk EQU 1 ; Bus lockout v2PowerOff EQU 2 ; soft power off signal (when 0) vFC3 EQU 3 ; PMMU FC3 indicator v2TM1A EQU 4 ; bit for NUBus v2TM0A EQU 5 ; and another v2SndExt EQU 6 ; 1 = internal speaker, 0 = ext. audio v2VBL EQU 7 ; pseudo VBL signal IF onMac THEN ;=======================================; ; Macintosh Plus Hardware Information ; ;=======================================; hwCfgBits EQU hwCmSCSI++hwCmClock machine EQU 0 rom85Bits EQU $7F ; New ROMs, No Power Off. ; === Interrupt Masks === hiIntMask EQU $0300 ; programmer switch only sccIntMask EQU $0200 ; SCC interrupt Level <1.5> sccEnblMask EQU $F9FF ; mask to enable SCC interrupts viaIntMask EQU $0100 ; mask for VIA (and VBL) interrupts loIntMask EQU $0100 ; === VIA1 BUFFER A === vSound EQU $7 ; sound volume bits (0..2) vSndPg2 EQU 3 ; select sound page 2 if 0 vOverlay EQU 4 ; overlay bit (overlay when 1) vHeadSel EQU 5 ; head select line for Sony vPage2 EQU 6 ; select video page 2 if 0 vSCCWrReq EQU 7 ; SCC write/request line vAOut EQU (vSound)|\ ; sound volume bits are outputs (1<<vSndPg2)|\ ; sound page 2 select is an output (1<<vOverlay)|\ ; overlay bit is an output (1<<vHeadSel)|\ ; head select line is an output (1<<vPage2)|\ ; video page 2 select is an output (0<<vSCCWrReq) ; SCC write/request line is an input vAInit EQU (1)|\ ; sound volume level initially 1 (1<<vSndPg2)|\ ; main sound buffer selected (0<<vOverlay)|\ ; overlay is turned off (1<<vHeadSel)|\ ; head select line is an output (1<<vPage2)|\ ; main screen buffer selected (0<<vSCCWrReq) ; SCC write/request line is an input vBufD EQU vBufA ; disk head select is buffer A ; === VIA1 BUFFER B === vRTCData EQU 0 ; real time clock data vRTCClk EQU 1 ; real time clock clock pulses vRTCEnb EQU 2 ; clock enable (0 for enable) vSW EQU 3 ; mouse switch (0 when down) vX2 EQU 4 ; mouse X level vY2 EQU 5 ; mouse Y level vH4 EQU 6 ; horizontal sync vSndEnb EQU 7 ; /sound enable (reset when 1) vBOut EQU (1<<vRTCData)|\ ; real time clock data initially an output (1<<vRTCClk)|\ ; real time clock clock is an output (1<<vRTCEnb)|\ ; clock enable is an output (0<<vSW)|\ ; mouse switch is an input (0<<vX2)|\ ; mouse X level is an input (0<<vY2)|\ ; mouse Y level is an input (0<<vH4)|\ ; horizontal sync is an input (1<<vSndEnb) ; sound enable is an output vBInit EQU (1<<vRTCData)|\ ; real time clock data is one (1<<vRTCClk)|\ ; real time clock clock is high (1<<vRTCEnb)|\ ; clock initially disabled (0<<vSW)|\ ; mouse switch is an input (0<<vX2)|\ ; mouse X level is an input (0<<vY2)|\ ; mouse Y level is an input (0<<vH4)|\ ; horizontal sync is an input (1<<vSndEnb) ; sound is disabled vBufM EQU vBufB ; mouse state is buffer B ; === Hardware Base Addresses === PhaseRead EQU $F00000 ; Phase read address VBase EQU $EFE1FE ; VIA base address AVBufA EQU VBase+vBufA ; VIA buffer A AVBufB EQU VBase+vBufB ; VIA buffer B AVBufM EQU VBase+vBufM ; VIA buffer with mouse button bit SCCRBase EQU $9FFFF8 ; SCC base read address SCCWBase EQU $BFFFF9 ; SCC base write address sccWrite EQU SCCWBase-SCCRBase ; general offset for write from read SCSIRd EQU $580000 ; base addr SCSI interface - READ SCSIWr EQU $580001 ; base addr SCSI interface - WRITE wrOffs EQU SCSIWr-SCSIRd ; write addrs are +1 to the read base SoundLow EQU $3FFD00 ; sound buffer start address snd2MemTop EQU $300 ; SoundLow to Memtop PWMBuffer EQU $3FFD01 ; PWM bytes are low bytes pwm2MemTop EQU $2FF ; PWMBuffer to MemTop ; === Video Parameters === ScreenLow EQU $3FA700 ; top of screen screen address scrn2MemTop EQU $5900 ; ScreenBase to Memtop ; === System Software Information === bufWorldSize EQU scrn2MemTop ; total size of the BufPtr world seRegs EQU $3FFC80 ; Sys Error Regs w/o Overlay ELSEIF onMacPP THEN ;=======================================; ; Macintosh SE Hardware Information ; ;=======================================; hwCfgBits EQU hwCmSCSI++hwCmClock++hwCmADB machine EQU 2 rom85Bits EQU $7F ; New ROMs, No Power Off. ; === Interrupt Masks === hiIntMask EQU $0300 ; programmer switch only sccIntMask EQU $0200 ; SCC interrupt Level <1.5> sccEnblMask EQU $F9FF ; mask to enable SCC interrupts viaIntMask EQU $0100 ; mask for VIA (and VBL) interrupts loIntMask EQU $0100 ; === VIA1 BUFFER A === vSound EQU $7 ; sound volume bits (0..2) vSync EQU 3 ; Synchronous modem vDriveSel EQU 4 ; int drive select (lower drive when 1) vHeadSel EQU 5 ; head select line for Sony vPage2 EQU 6 ; select video page 2 if 0 vSCCWrReq EQU 7 ; SCC write/request line vAOut EQU (vSound)|\ ; sound volume bits are outputs (1<<vSync)|\ ; Synchronous modem is an output (1<<vDriveSel)|\ ; int drive select is an output (1<<vHeadSel)|\ ; head select line is an output (1<<vPage2)|\ ; video page 2 select is an output (0<<vSCCWrReq) ; SCC write/request line is an input vAInit EQU (1)|\ ; sound volume level initially 1 (1<<vSync)|\ ; Synchronous modem disabled (active low) (0<<vDriveSel)|\ ; upper floppy drive selected (1<<vHeadSel)|\ ; head select line is an output (1<<vPage2)|\ ; main screen buffer selected (0<<vSCCWrReq) ; SCC write/request line is an input vBufD EQU vBufA ; disk head select is buffer A ; === VIA1 BUFFER B === vRTCData EQU 0 ; real time clock data vRTCClk EQU 1 ; real time clock clock pulses vRTCEnb EQU 2 ; clock enable (0 for enable) vFDBInt EQU 3 ; Front Desk bus interrupt vFDesk1 EQU 4 ; Front Desk bus state bit 0 vFDesk2 EQU 5 ; Front Desk bus state bit 1 vSCSIMask EQU 6 ; SCSI IRQ mask vH4 EQU vSCSIMask ; SCSI IRQ mask (was horiz. sync) vSndEnb EQU 7 ; /sound enable (reset when 1) vBOut EQU (1<<vRTCData)|\ ; real time clock data initially an output (1<<vRTCClk)|\ ; real time clock clock is an output (1<<vRTCEnb)|\ ; clock enable is an output (0<<vFDBInt)|\ ; Front Desk bus interrupt is an input (1<<vFDesk1)|\ ; FDB state bit 0 is an output (1<<vFDesk2)|\ ; FDB state bit 1 is an output (1<<vSCSIMask)|\ ; SCSI IRQ mask is an output (1<<vSndEnb) ; sound enable is an output vBInit EQU (1<<vRTCData)|\ ; real time clock data is one (1<<vRTCClk)|\ ; real time clock clock is high (1<<vRTCEnb)|\ ; clock initially disabled (0<<vFDBInt)|\ ; Front Desk bus interrupt is an input (1<<vFDesk1)|\ ; FDB state bit 0 is initially state 3 (1<<vFDesk2)|\ ; FDB state bit 1 is initially state 3 (1<<vSCSIMask)|\ ; SCSI IRQ mask is initially masked (1<<vSndEnb) ; sound is disabled ; === Hardware Base Addresses === VBase EQU $EFE1FE ; VIA base address AVBufA EQU VBase+vBufA ; VIA buffer A AVBufB EQU VBase+vBufB ; VIA buffer B SCCRBase EQU $9FFFF8 ; SCC base read address SCCWBase EQU $BFFFF9 ; SCC base write address sccWrite EQU SCCWBase-SCCRBase ; general offset for write from read SCSIRd EQU $5FF000 ; base addr SCSI interface - READ SCSIWr EQU $5FF001 ; base addr SCSI interface - WRITE MacSCSIBase EQU $5FF000 ; base addr SCSI READ interface MacSCSIDMA EQU $5FF200 ; base addr SCSI DMA MacSCSIHsk EQU $5FF200 ; base addr SCSI handshake wrOffs EQU SCSIWr-SCSIRd ; write addrs are +1 to the read base SoundLow EQU $3FFD00 ; sound buffer start address snd2MemTop EQU $300 ; SoundLow to Memtop PWMBuffer EQU $3FFD01 ; PWM bytes are low bytes pwm2MemTop EQU $2FF ; PWMBuffer to MemTop ; === Video Parameters === ScreenLow EQU $3FA700 ; top of screen screen address scrn2MemTop EQU $5900 ; ScreenBase to Memtop ; === System Software Information === bufWorldSize EQU scrn2MemTop ; total size of the BufPtr world seRegs EQU $3FFC80 ; Sys Error Regs w/o Overlay ELSEIF onHcMac THEN ;===========================================; ; Macintosh Portable Hardware Information ; ;===========================================; hwCfgBits EQU hwCmSCSI++hwCmClock++hwCmADB++hwCbPwrMgr ; <2.8> machine EQU 3 rom85Bits EQU $7F ; New ROMs, No Power Off. ; === Interrupt Masks === hiIntMask EQU $0300 ; programmer switch only sccIntMask EQU $0200 ; SCC interrupt Level <1.5> sccEnblMask EQU $F9FF ; mask to enable SCC interrupts viaIntMask EQU $0100 ; mask for VIA (and VBL) interrupts loIntMask EQU $0100 ; === VIA1 BUFFER A === ; 68000 <-> PowerMgr data bus vAIn EQU $00 ; VBufA output bits (all inputs) vAOut EQU $FF ; VBufA output bits (all outputs) vAInit EQU $00 ; VBufA initial values ; === VIA1 BUFFER B === vPMreq EQU 0 ; Power manager handshake request vPMack EQU 1 ; Power manager handshake acknowledge vTestJ EQU 2 ; Test jumper vSync EQU 3 ; Synchronous modem vDriveSel EQU 4 ; int drive select (lower drive when 1) vHeadSel EQU 5 ; head select line for Sony vStereo EQU 6 ; Stereo sound enable vSCCWrReq EQU 7 ; SCC write/request line (input) vSndEnb EQU 7 ; /sound enable (reset when 1) (output) vBOut EQU (1<<vPMreq)|\ ; Power mgr handshake request is an output (0<<vPMack)|\ ; Power mgr handshake acknowledge is an input (0<<vTestJ)|\ ; Test jumper is an input (1<<vSync)|\ ; Synchronous modem is an output (1<<vDriveSel)|\ ; int drive select is an output (1<<vHeadSel)|\ ; head select line is an output (0<<vStereo)|\ ; Stereo sound detect is an input (1<<vSndEnb) ; sound enable is an output vBInit EQU (1<<vPMreq)|\ ; Power mgr handshake not requesting (1<<vPMack)|\ ; Power mgr handshake acknowledge is an input (1<<vTestJ)|\ ; Test jumper is an input (1<<vSync)|\ ; Synchronous modem disabled (active low) (1<<vDriveSel)|\ ; lower floppy drive selected (0<<vHeadSel)|\ ; head select line is an output (1<<vStereo)|\ ; Stereo sound detect is an input (1<<vSndEnb) ; sound is disabled vBufD EQU vBufB ; disk head select is buffer B ; === Hardware Base Addresses === VBase EQU $F70000 ; VIA base address AVBufA EQU VBase+vBufA ; VIA buffer A AVBufB EQU VBase+vBufB ; VIA buffer B SCCRBase EQU $FD0000 ; SCC base read address SCCWBase EQU $FD8000 ; SCC base write address sccWrite EQU SCCWBase-SCCRBase ; general offset for write from read SCSIRd EQU $F90000 ; base address of SCSI interface - READ SCSIWr EQU $F90001 ; base address of SCSI interface - WRITE MacSCSIBase EQU $F90000 ; base address of SCSI READ interface MacSCSIDMA EQU $F90200 ; base address of SCSI DMA MacSCSIHsk EQU $F90200 ; base address of SCSI handshake wrOffs EQU SCSIWr-SCSIRd ; write addrs are +1 to the read base SndBase EQU $FB0000 ; sound chip's base address MapperBase EQU $FC0000 ; Mapper RAM base address RAMconfigBase EQU $FE0200 ; Internal/external RAM control register RAMconfigInit EQU $0006 ; Init test register <v2.6> ; === Video Parameters === ScreenLow EQU $FA8000 ; top of screen screen address hcVideoSize EQU $8000 ; 32k of video memory HcVideoStart EQU ScreenLow HcVideoEnd EQU HcVideoStart+hcVideoSize NTSCMaxX EQU 512 ; NTSC output is narrow NTSCOffset EQU 8 ; and centered LCDmode EQU 0 ; Normal built in screen Mac2mode EQU 1 ; Custom screen for Mac2 NTSCmode EQU 2 ; NTSC output ; === System Software Information === snd2MemTop EQU $300 ; SoundLow to Memtop pwm2MemTop EQU $2FF ; PWMBuffer to MemTop bufWorldSize EQU snd2MemTop ; total size of the BufPtr world seRegs EQU $0C30 ; offset to Sys Error Regs w/o Overlay ELSEIF onMac16 THEN ;===================================================; ; Universal 16 bit Macintosh Hardware Information ; ;===================================================; ; === Interrupt Masks === hiIntMask EQU $0300 ; programmer switch only sccIntMask EQU $0200 ; SCC interrupt Level <1.5> sccEnblMask EQU $F9FF ; mask to enable SCC interrupts viaIntMask EQU $0100 ; mask for VIA (and VBL) interrupts loIntMask EQU $0100 ; === VIA1 BUFFER A === vSound EQU $7 ; sound volume bits (0..2) vSndPg2 EQU 3 ; select sound page 2 if 0 ;vSync EQU 3 ; Synchronous modem vOverlay EQU 4 ; overlay bit (overlay when 1) ;vDriveSel EQU 4 ; int drive select (lower drive when 1) ;vHeadSel EQU 5 ; head select line for Sony vPage2 EQU 6 ; select video page 2 if 0 ;vSCCWrReq EQU 7 ; SCC write/request line ; === VIA1 BUFFER B === vRTCData EQU 0 ; real time clock data vRTCClk EQU 1 ; real time clock clock pulses vRTCEnb EQU 2 ; clock enable (0 for enable) vSW EQU 3 ; mouse switch (0 when down) vFDBInt EQU 3 ; Front Desk bus interrupt vX2 EQU 4 ; mouse X level vFDesk1 EQU 4 ; Front Desk bus state bit 0 vY2 EQU 5 ; mouse Y level vFDesk2 EQU 5 ; Front Desk bus state bit 1 vH4 EQU 6 ; horizontal sync vSCSIMask EQU 6 ; SCSI IRQ mask vSndEnb EQU 7 ; /sound enable (reset when 1) vPMreq EQU 0 ; Power manager handshake request vPMack EQU 1 ; Power manager handshake acknowledge vTestJ EQU 2 ; Test jumper ;vSync EQU 3 ; Synchronous modem ;vDriveSel EQU 4 ; int drive select (lower drive when 1) ;vHeadSel EQU 5 ; head select line for Sony vStereo EQU 6 ; Stereo sound enable ;vSCCWrReq EQU 7 ; SCC write/request line (input) ; === VIA1 BUFFER A/B === vSync EQU 3 ; Synchronous modem <3.1> vDriveSel EQU 4 ; int drive select (lower drive when 1) <3.1> vHeadSel EQU 5 ; head select line for Sony <3.1> vSCCWrReq EQU 7 ; SCC write/request line <3.1> ; === Hardware Base Addresses === wrOffs EQU 1 ; write addrs are +1 to the read base ; === System Software Information === seRegs EQU $0C30 ; offset to Sys Error Regs w/o Overlay ELSEIF onMac32 THEN ;===================================================; ; Universal 32 bit Macintosh Hardware Information ; ;===================================================; machine EQU 6 ; for patch file $067C <3.5> ; === Interrupt Masks === hiIntMask EQU $0700 ; programmer switch only pwrOffEnbl EQU $2500 ; mask to allow poweroff interrupts sccIntMask EQU $0400 ; SCC interrupt level sccEnblMask EQU $FBFF ; mask to enable SCC interrupts slotIntMask EQU $0200 ; slot's interrupt level <v1.4><1.9> viaIntMask EQU $0100 ; VIA1 interrupt level loIntMask EQU $0100 ; === VIA1 BUFFER A === vSound EQU $7 ; sound volume bits (0..2) (output) vTestJ EQU 0 ; Burn In Test jumper (input) vCpuId0 EQU 1 ; CPU Identification bit 0 (input) vCpuId1 EQU 2 ; CPU Identification bit 1 (input) vSync EQU 3 ; Synchronous modem vOverlay EQU 4 ; overlay bit (overlay when 1) vCpuId2 EQU 4 ; CPU Identification bit 2 vHeadSel EQU 5 ; head select line for Sony vRev8Bd EQU 6 ; =0 for rev 8 board vCpuId3 EQU 6 ; CPU Identification bit 3 vSCCWrReq EQU 7 ; SCC write/request line ; === VIA1 BUFFER B === vRTCData EQU 0 ; real time clock data v0reserved EQU 0 ; reserved bit in Erickson <6> vRTCClk EQU 1 ; real time clock clock pulses v1reserved EQU 1 ; reserved bit in Erickson <6> vRTCEnb EQU 2 ; clock enable (0 for enable) v2reserved EQU 2 ; reserved bit in Erickson <6> vFDBInt EQU 3 ; Front Desk bus interrupt xcvrsesbit EQU 3 ; Egret transceiver session bit <6> vFDesk1 EQU 4 ; Front Desk bus state bit 0 viafullbit EQU 4 ; Egret via full bit <6> vFDesk2 EQU 5 ; Front Desk bus state bit 1 syssesbit EQU 5 ; Egret system session bit <6> vPGCEnb EQU 6 ; Parity Generator/Checker enable (0 for enable) v6reserved EQU 6 ; reserved bit in Erickson <6> vPGCErr EQU 7 ; Parity Generator/Checker error (input) v7reserved EQU 7 ; reserved bit in Erickson <6> vSndEnb EQU 7 ; /sound enable (reset when 1) (output) ; === Hardware Base Addresses === WrOffs EQU 0 ; SCSI write addrs are same as read base MskIOP1 EQU 1 ; IOP 1 (SWIM) is level 1 interrupt MskVIA1 EQU 1 ; VIA 1 is level 1 MskADB EQU 1 ; ADB is level 1 Msk60Hz EQU 1 ; 60 Hz is level 1 MskSCSI EQU 2 ; SCSI is level 2 MskSound EQU 2 ; sound is level 2 <4.5> MskSlots EQU 2 ; slots are level 2 interrupts MskRTC EQU 3 ; RTC is level 3 MskIOP0 EQU 4 ; IOP 0 (& SCC chip) is level 4 MskPwrOff EQU 6 ; Poweroff button is level 6 MskNMI EQU 7 ; NMI switch is level 7 ; === System Software Information === snd2MemTop EQU $300 ; SoundLow to Memtop pwm2MemTop EQU $2FF ; PWMBuffer to MemTop bufWorldSize EQU snd2MemTop ; total size of the BufPtr world seRegs EQU $0C30 ; offset to Sys Error Regs w/o Overlay ELSEIF onHafMac THEN ;===================================; ; Mac IIci Hardware Information ; ;===================================; machine EQU 6 ; === Interrupt Masks === hiIntMask EQU $0700 ; programmer switch only pwrOffEnbl EQU $2500 ; mask to allow poweroff interrupts sccIntMask EQU $0400 ; SCC interrupt level sccEnblMask EQU $FBFF ; mask to enable SCC interrupts via2IntMask EQU $0200 ; VIA2 interrupt level <v1.4><1.9> slotIntMask EQU via2IntMask ; slot's interrupt level <v1.4><1.9> viaIntMask EQU $0100 ; VIA1 interrupt level loIntMask EQU $0100 ; === VIA1 BUFFER A === vSound EQU $7 ; sound volume bits (0..2) (output) vTestJ EQU 0 ; Burn In Test jumper (input) vCpuId0 EQU 1 ; CPU Identification bit 0 (input) vCpuId1 EQU 2 ; CPU Identification bit 1 (input) vSync EQU 3 ; Synchronous modem vCpuId2 EQU 4 ; CPU Identification bit 2 vHeadSel EQU 5 ; head select line for Sony vCpuId3 EQU 6 ; CPU Identification bit 3 vSCCWrReq EQU 7 ; SCC write/request line vAOut EQU (vSound)|\ ; sound volume bits are outputs (1<<vSync)|\ ; Synchronous modem is an output (0<<vCpuId2)|\ ; CPU Identification bit 2 is an input (1<<vHeadSel)|\ ; head select line is an output (0<<vCpuId3)|\ ; CPU Identification bit 3 is an input (0<<vSCCWrReq) ; SCC write/request line is an input vAInit EQU (1)|\ ; sound volume level initially 1 (0<<vSync)|\ ; Synchronous modem disabled (active high) (0<<vCpuId2)|\ ; CPU Identification bit 2 is an input (1<<vHeadSel)|\ ; head select line is an output (0<<vCpuId3)|\ ; CPU Identification bit 3 is an input (0<<vSCCWrReq) ; SCC write/request line is an input vBufD EQU vBufA ; disk head select is buffer A ; === VIA1 BUFFER B === vRTCData EQU 0 ; real time clock data vRTCClk EQU 1 ; real time clock clock pulses vRTCEnb EQU 2 ; clock enable (0 for enable) vFDBInt EQU 3 ; Front Desk bus interrupt vFDesk1 EQU 4 ; Front Desk bus state bit 0 vFDesk2 EQU 5 ; Front Desk bus state bit 1 vPGCEnb EQU 6 ; Parity Generator/Checker enable (0 for enable) vPGCErr EQU 7 ; Parity Generator/Checker error (input) vSndEnb EQU 7 ; /sound enable (reset when 1) (output) vBOut EQU (1<<vRTCData)|\ ; real time clock data initially an output (1<<vRTCClk)|\ ; real time clock clock is an output (1<<vRTCEnb)|\ ; clock enable is an output (0<<vFDBInt)|\ ; Front Desk bus interrupt is an input (1<<vFDesk1)|\ ; FDB state bit 0 is an output (1<<vFDesk2)|\ ; FDB state bit 1 is an output (1<<vPGCEnb)|\ ; PGC enable is an output (1<<vSndEnb) ; sound enable is an output vBInit EQU (1<<vRTCData)|\ ; real time clock data is one (1<<vRTCClk)|\ ; real time clock clock is high (1<<vRTCEnb)|\ ; clock initially disabled (0<<vFDBInt)|\ ; Front Desk bus interrupt is an input (1<<vFDesk1)|\ ; FDB state bit 0 is initially state 3 (1<<vFDesk2)|\ ; FDB state bit 1 is initially state 3 (1<<vPGCEnb)|\ ; Parity Checking is initially disabled (1<<vSndEnb) ; sound is disabled ; === RBV BUFFER B === RvBInit EQU (1<<RvCDis)|\ ; cache disabled <3.3> (1<<RvBusLk)|\ ; Bus unlocked (1<<RvPowerOff)|\ ; Power on (1<<RvCFlush)|\ ; don't flush cache (0<<RvTM1A)|\ ; NuBus timeout bits are inputs (0<<RvTM0A)|\ ; NuBus timeout bits are inputs (0<<RvSndExt)|\ ; sound/speaker mode is an input (1<<RvPGCTest) ; generate correct parity ; === Hardware Base Addresses === VBase EQU $50F00000 ; VIA base address AVBufA EQU VBase+vBufA ; VIA buffer A AVBufB EQU VBase+vBufB ; VIA buffer B SCCRBase EQU $50F04000 ; SCC base read address SCCWBase EQU $50F04000 ; SCC base write address sccWrite EQU SCCWBase-SCCRBase ; general offset for write from read NewSCSIBase EQU $50F10000 ; rev8 base addr SCSI interface NewSCSIDMA EQU $50F12000 ; rev8 base addr SCSI DMA (corrected) NewSCSIHsk EQU $50F06000 ; rev8 base addr SCSI handshake MacSCSIBase EQU $50F10000 ; base addr SCSI interface MacSCSIDMA EQU $50F12000 ; base addr SCSI DMA MacSCSIHsk EQU $50F06000 ; base addr SCSI handshake wrOffs EQU 0 ; write addrs are same as read base SndBase EQU $50F14000 ; sound chip's base address ; === Video Parameters === RBVBase EQU $50F26000 ; RBV base address <v1.4><1.4> vDACBase EQU $50F24000 ; base of clut ; === System Software Information === snd2MemTop EQU $300 ; SoundLow to Memtop pwm2MemTop EQU $2FF ; PWMBuffer to MemTop bufWorldSize EQU snd2MemTop ; total size of the BufPtr world seRegs EQU $0C30 ; offset to Sys Error Regs w/o Overlay ELSEIF onNuMac THEN ;=======================================================; ; Macintosh II, IIx, IIcx, SE30 Hardware Information ; ;=======================================================; hwCfgBits EQU hwCmSCSI++hwCmClock++hwCmFPU++hwCmMMU++hwCmADB machine EQU 1 rom85Bits EQU $3F ; New ROMs, Power Off ability. ; === Interrupt Masks === hiIntMask EQU $0700 ; programmer switch only pwrOffEnbl EQU $2500 ; mask to allow poweroff interrupts sccIntMask EQU $0400 ; SCC interrupt level sccEnblMask EQU $FBFF ; mask to enable SCC interrupts via2IntMask EQU $0200 ; VIA2 interrupt level <v1.4><1.9> slotIntMask EQU via2IntMask ; slot's interrupt level <v1.4><1.9> viaIntMask EQU $0100 ; VIA1 interrupt level loIntMask EQU $0100 ; === VIA1 BUFFER A === vSound EQU $7 ; sound volume bits (0..2) (output) vSync EQU 3 ; Synchronous modem vOverlay EQU 4 ; overlay bit (overlay when 1) vHeadSel EQU 5 ; head select line for Sony vRev8Bd EQU 6 ; =0 for rev 8 board vSCCWrReq EQU 7 ; SCC write/request line vAOut EQU (vSound)|\ ; sound volume bits are outputs (1<<vSync)|\ ; Synchronous modem is an output (1<<vOverlay)|\ ; overlay bit is an output (1<<vHeadSel)|\ ; head select line is an output (0<<vRev8Bd)|\ ; board ID is an input (0<<vSCCWrReq) ; SCC write/request line is an input vAInit EQU (1)|\ ; sound volume level initially 1 (0<<vSync)|\ ; Synchronous modem disabled (active high) (0<<vOverlay)|\ ; overlay is turned off (0<<vHeadSel)|\ ; head select line is an output (0<<vRev8Bd)|\ ; board ID is an input (0<<vSCCWrReq) ; SCC write/request line is an input vBufD EQU vBufA ; disk head select is buffer A ; === VIA1 BUFFER B === vRTCData EQU 0 ; real time clock data vRTCClk EQU 1 ; real time clock clock pulses vRTCEnb EQU 2 ; clock enable (0 for enable) vFDBInt EQU 3 ; Front Desk bus interrupt vFDesk1 EQU 4 ; Front Desk bus state bit 0 vFDesk2 EQU 5 ; Front Desk bus state bit 1 ; EQU 6 ; unused vSndEnb EQU 7 ; /sound enable (reset when 1) (output) vBOut EQU (1<<vRTCData)|\ ; real time clock data initially an output (1<<vRTCClk)|\ ; real time clock clock is an output (1<<vRTCEnb)|\ ; clock enable is an output (0<<vFDBInt)|\ ; Front Desk bus interrupt is an input (1<<vFDesk1)|\ ; FDB state bit 0 is an output (1<<vFDesk2)|\ ; FDB state bit 1 is an output (1<<vSndEnb) ; sound enable is an output vBInit EQU (1<<vRTCData)|\ ; real time clock data is one (1<<vRTCClk)|\ ; real time clock clock is high (1<<vRTCEnb)|\ ; clock initially disabled (0<<vFDBInt)|\ ; Front Desk bus interrupt is an input (1<<vFDesk1)|\ ; FDB state bit 0 is initially state 3 (1<<vFDesk2)|\ ; FDB state bit 1 is initially state 3 (0<<vSndEnb) ; sound is enabled ; === VIA2 BUFFER A === v2AOut EQU (0<<v2IRQ1)|\ ; slot 1 interrupt is an input (0<<v2IRQ2)|\ ; slot 2 interrupt is an input (0<<v2IRQ3)|\ ; slot 3 interrupt is an input (0<<v2IRQ4)|\ ; slot 4 interrupt is an input (0<<v2IRQ5)|\ ; slot 5 interrupt is an input (0<<v2IRQ6)|\ ; slot 6 interrupt is an input (1<<v2RAM0)|\ ; ram size bit 0 is an output (1<<v2RAM1) ; ram size bit 1 is an output v2AInit EQU (0<<v2IRQ1)|\ ; slot 1 interrupt is an input (0<<v2IRQ2)|\ ; slot 2 interrupt is an input (0<<v2IRQ3)|\ ; slot 3 interrupt is an input (0<<v2IRQ4)|\ ; slot 4 interrupt is an input (0<<v2IRQ5)|\ ; slot 5 interrupt is an input (0<<v2IRQ6)|\ ; slot 6 interrupt is an input (0<<v2RAM0)|\ ; or ram size bit 0 with 0 (0<<v2RAM1) ; or ram size bit 1 with 0 ; === VIA2 BUFFER B === v2BOut EQU (0<<v2CDis)|\ ; cache disabled <3.3> (0<<v2BusLk)|\ ; Bus unlocked (0<<v2PowerOff)|\ ; Power on (0<<vFC3)|\ ; don't flush cache (0<<v2TM1A)|\ ; NuBus timeout bits are inputs (0<<v2TM0A)|\ ; NuBus timeout bits are inputs (0<<v2SndExt)|\ ; sound/speaker mode is an input (1<<v2VBL) ; 60Hz pseudo VBL output v2BInit EQU (1<<v2CDis)|\ ; cache disabled (input when not in use) <3.3> (0<<v2BusLk)|\ ; Bus unlocked (input when not in use) (1<<v2PowerOff)|\ ; Power on (input when not in use) (0<<vFC3)|\ ; don't flush cache (input when not in use) (0<<v2TM1A)|\ ; NuBus timeout bits are inputs (0<<v2TM0A)|\ ; NuBus timeout bits are inputs (0<<v2SndExt)|\ ; sound/speaker mode is an input (0<<v2VBL) ; 60Hz pseudo VBL output ; === Hardware Base Addresses === VBase EQU $50F00000 ; VIA base address AVBufA EQU VBase+vBufA ; VIA buffer A AVBufB EQU VBase+vBufB ; VIA buffer B VBase2 EQU $50F02000 ; VIA2 base address <v1.4> SCCRBase EQU $50F04000 ; SCC base read address SCCWBase EQU $50F04000 ; SCC base write address sccWrite EQU SCCWBase-SCCRBase ; general offset for write from read NewSCSIBase EQU $50F10000 ; rev8 base addr SCSI interface NewSCSIDMA EQU $50F12000 ; rev8 base addr SCSI DMA (corrected) NewSCSIHsk EQU $50F06000 ; rev8 base addr SCSI handshake MacSCSIBase EQU $50F10000 ; base addr SCSI interface MacSCSIDMA EQU $50F12000 ; base addr SCSI DMA MacSCSIHsk EQU $50F06000 ; base addr SCSI handshake wrOffs EQU 0 ; write addrs are same as read base SndBase EQU $50F14000 ; sound chip's base address ; === System Software Information === snd2MemTop EQU $300 ; SoundLow to Memtop pwm2MemTop EQU $2FF ; PWMBuffer to MemTop bufWorldSize EQU snd2MemTop ; total size of the BufPtr world seRegs EQU $0C30 ; offset to Sys Error Regs w/o Overlay ENDIF ;---------- ; Deep Shit Rectangle info ;---------- dsRectTL EQU (64<<16)+32 ; top left = 64,32 dsRectBR EQU (190<<16)+480 ; bottom right = 190,480 dsRectHei EQU (dsRectBR**$FFFF0000)-(dsRectTL**$FFFF0000)>>16 dsRectLen EQU (dsRectBR**$FFFF)-(dsRectTL**$FFFF) IF onAnything THEN ;---------- ; System Error, ROM Based Debugger Nub, MicroBug Equates ;---------- seVars EQU seRegs ; start of system error data space (wrap city) seVSize EQU 128 ; # of bytes in space seD0 EQU seVars ; loc of saved reg D0 seA0 EQU seD0+32 ; loc of saved reg A0 seA7 EQU seA0+28 ; loc of saved reg A7 sePC EQU seA7+4 ; loc of saved PC seSR EQU sePC+4 ; loc of saved SR seAccess EQU seSR+2 ; PC address during bus/address error seCmdSize EQU seAccess+4 ; # of bytes of parameters passed in _debugger call se000BE EQU seCmdSize+2 ; 8 bytes of bus error info for 68000 seLastVar EQU se000BE+8 ; last var in System Error data space ;----- ; ROM based debugger nub ;----- rdPort EQU seLastVar ; Number of port currently in use (0 => no link, 1 => A, 2 => B) rdCode EQU rdPort+2 ; Ptr to code download buffer. rdAtrap EQU rdCode+4 ; Saved Rom Atrap handler rdLowTrap EQU rdAtrap+4 ; low value for trap handling rdHiTrap EQU rdLowTrap+2 ; high value for trap handling rdResult EQU rdHiTrap+2 ; result of executing down-loaded code, etc. (16 bytes) rdEnd EQU rdResult+16 ; end of vars ;----- ; Microbug ;----- ; NOTE: Keep mbDotAddr immediately before mBlocAddr mbBufSize EQU 34 mbBuffer EQU seLastVar ; buffer for input mbSign EQU mbBuffer+mbBufSize ; ST => negative sign during conversion mbDotAddr EQU mbSign+2 ; saved address mBlocAddr EQU mbDotAddr+4 ; saved location ;---------- ; Timing constants ;---------- VIAClockHz EQU 783360 ; VIA clock rate is 783360 Hz. <2.8> nTicks EQU VIAClockHz/1000 ; VIA timer ticks per msec oneSecTicks EQU 60 ; ticks, of course TimeSCSIDB EQU $0B24 ; DBRAs & SCSI access per millisecond <1.9> ramChk EQU 1024 ; Amount of memory tested for stack. ENDIF ENDIF ; {HWNonPortable} ENDIF ; ...already included