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  • This comparison shows the changes necessary to convert path 
    /System09/tags/pre_mkfiles_rev1_merge/src/upld
    from Rev 27 to Rev 66
    ↔ Reverse comparison
  •

Rev 27 → Rev 66

/upld_cf8.s19
0,0 → 1,35
S11701001702C36E9FF8000000000000000000000000000006
S1230300B6E0008501398603B7E0008611B7E000398610B7010F7F01107F0111B6E0008564
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S12303404F1A02393402B6E00085022608857827F58DB320F13502B7E001398DE7A68081E7
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S123044000B60108F601091701C51701718E0200B60108F601095CB70108F701091700BA36
S1230460102500B01701571700B0102500A68E0200B60108F601091701951701418E02009D
S1230480B60108F601095CB70108F7010917008A10250080170127170080102500768E0215
S12304A000A688264CB70112E688275CF70113B60108F60109170157170103B60108F601D3
S12304C0095C8E0200B70108F7010917004C102500421700E9170042102500388E0200B67C
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S1230560FA39861517FDDDCE05371CFA3943B1010B26EF7F010A8680B7010CCE05811CFA8C
S1230580393402BB010AB7010A35027A010C2603CE0598A7801CFA39B1010A260B7C010B23
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S12305C0860617FD7F35828D7A86E0B7E0468601B7E04186EFB7E04720695AF7E043B7E0B1
S12305E044F60107F7E045C601F7E0425F398DEA8620B7E0478D4C5F8D58B6E040A7805AB2
S123060026F65F8D4DB6E0405A26F88D365F398DC98630B7E0478D2B5F8D37A680B7E04016
S12306205A26F65F8D2C4FB7E0405A26F78D145F395F39A603810323014FB701075F39A61D
S11D0640035F39B6E047858026F9B6E047854027F239B6E047850827F93949
S123C000200B000000000000C00000000010CEC0FFFCC005FDC300108EC4008D3581022745
S123C02010811626F68D2BB7C0088D26B7C00920EA8D1FB7C00A8D1AB7C00B8D151F895DC8
S123C04027D9BEC00A34148D093514A7805A26F520C9108CC400260F8EC300EC84270B8D93
S123C06021269D108EC304A6A0396E9FC0085AF7E043B7E044F6C00CF7E045C601F7E04212
S123C0805F398DEA8620B7E0478D185F8D24B6E040A7805A26F65F8D19B6E0405A26F88D01
S11DC0A0025F39B6E047858026F9B6E047854027F239B6E047850827F93930
S9030000FC
/upld_ide.s19
0,0 → 1,39
S11701001703306E9FF8000000000000000000000000000098
S123030034308E03E8108E04E2B6E00047250A313F26F6301F26EE35B0B6E00135B03430B8
S123032034028E03E8108E04E2B6E0004747250C313F26F5301F26ED350235B03502B7E05A
S12303400135B034048D0E484848481F898D063404ABE03584BD037E29FB80302BF781094B
S12303602F0A81112BEF81162EEB800739B6E0008501398603B7E0008611B7E000398610B2
S1230380B7010F7F01107F0111B6E000850126088578270A8DDD20E6B6E0011CFD397A0125
S12303A01126E67A011026E17A010F26DC4F1A02393402B6E00085022608857827F58DB380
S12303C020F13502B7E001398DE7A680810426F8390D0A586D6F64656D20524F4D2044692E
S12303E0736B2055706C6F6164040D0A55706C6F616420436F6D706C657465040D0A5570DD
S12304006C6F6164204572726F72040D0A4472697665204E756D626572203A040D0A417248
S12304206520596F752053757265203F2028592F4E29048E03D117FF918E040B17FF8B172F
S1230440FF3C29FB17FF6A81301025012E8133102201288030B701078E040B17FF6CB60150
S1230460078B3017FF4B8E041C17FF5E17FF0F29FB17FF3D845F814E102700FF815926B3FC
S12304801701B1CE05A4FF010D8601B7010B8E02004FC601B70108F701091700EA10250024
S12304A0E01701871700E0102500D68E0200B60108F601091701D11701718E0200B60108A7
S12304C0F601095CB70108F701091700BA102500B01701571700B0102500A68E0200B601ED
S12304E008F601091701A11701418E0200B60108F601095CB70108F7010917008A1025009C
S123050080170127170080102500768E0200A688264CB70112E688275CF70113B60108F62B
S12305200109170163170103B60108F601095C8E0200B70108F7010917004C1025004217BA
S123054000E9170042102500388E0200B60108F601091701331700D3B60108F601095CF158
S1230560011326CBC6014CB1011226C38EC0004FC601B70108F7010917010D8E03EA7E036C
S1230580CA8E03FC16FE433440FE010D17FDEF280A861517FE1BCE05A420F1ADC426EDFF1E
S12305A0010D35C081012606CE05C41CFA3981042608860617FDFA1A0539811826031A051A
S12305C0391CFA39B1010B2606CE05DA1CFA39861517FDDDCE05A41CFA3943B1010B26EF43
S12305E07F010A8680B7010CCE05EE1CFA393402BB010AB7010A35027A010C2603CE060515
S1230600A7801CFA39B1010A260B7C010BCE05A41CFE1A043934041F105AC4801F013504A5
S1230620861517FD8CCE05A41CFA393402860617FD7F3582CC0006FDE11ECC0002FDE11E11
S1230640CC00E0FDE10C20748D624FC60134024F5AFDE106E6E4FDE108F60107FDE10AC648
S123066001FDE1045F35828DE4CC0020FDE10E8D4B3420108E01008D52FCE100E780313FD6
S123068026F535208D365F398DC3CC0030FDE10E8D2A3420108E01004F8D30E680FDE10059
S12306A0313F26F535208D145F395F39A603810323014FB701075F39A6035F39FCE10EC59D
S11606C08026F9FCE10EC54027F239FCE10EC50827F93931
S123C000200B000000000000C00000000010CEC0FFFCC005FDC300108EC4008D3581022745
S123C02010811626F68D2BB7C0088D26B7C00920EA8D1FB7C00A8D1AB7C00B8D151F895DC8
S123C04027D9BEC00A34148D093514A7805A26F520C9108CC400260F8EC300EC84270B8D93
S123C06027269D108EC304A6A0396E9FC00834024F5AFDE106E6E4FDE108F6C00CFDE10AFC
S123C080C601FDE1045F35828DE4CC0020FDE10E8D173420108E01008D1EFCE100E78031DD
S123C0A03F26F535208D025F39FCE10EC58026F9FCE10EC54027F239FCE10EC50827F93904
S9030000FC
/upld_cf8.txt
0,0 → 1,797
*
** FLEX 9 DISK DRIVERS
*
* FOR SYS09BUG ON THE DIGILENT SPARTAN 3 STARTER BOARD
* WITH I/O MAPPED AT $XE000
* AND ROM MAPPED AT $XF000
* THE DIGILENT SPARTAN 3 STARTER BOARD HAS 1MBYTE OF SRAM
* THE FIRST 64K IS USED BY FLEX,
* THE SECOND 128K IS USED AS A ROM DISK
* THE REMAINING RAM IS USED FOR A RAM DISK
*
*
CFLAG EQU $01 CARRY FLAG
VFLAG EQU $02 OVERFLOW FLAG
ZFLAG EQU $04 ZERO FLAG
NFLAG EQU $08 NEGATIVE FLAG
IFLAG EQU $10 IRQ MASK CC
HFLAG EQU $20 HALF CARRY
FFLAG EQU $40 FIRQ MASK CC
EFLAG EQU $80 ENTIRE FLAG
*
MAPPAG EQU $00 PAGE $0000 DAT ADDRESS
*
* Serial Port
*
ACIAS EQU $E000
ACIAC1 EQU ACIAS
ACIAD1 EQU ACIAS+1
DELCON EQU 1250 Delay (Processor clock in MHz * 50)
*
* XMODEM Control characters
*
SOH EQU $01
EOT EQU $04
ACK EQU $06
NAK EQU $15
CAN EQU $18
*
* Some dummy Constants
*
RMAXTRK EQU 48
RMAXSEC EQU 14
RTOTSEC EQU RMAXTRK*RMAXSEC-RMAXSEC
*
* Start
*
ORG $0100
START LBSR UXSUB
JMP [$F800] Jump to monitor on Completion.
*
*
* RAM SPACE
*
DRVNUM FCB 0
TRACK FCB 0
SECTOR FCB 0
CHKSUM FCB 0
BLKNUM FCB 0 Xmodem block number
BYTCNT FCB 0 Xmodem byte count
XSTATE FDB 0 Xmodem State Vector
DELCNT FCB $00,$00,$00 Xmodem Poll timer
MAXTRK FCB 0
MAXSEC FCB 0
ORG $0200
*
* SECTOR BUFFER
*
BUFFER RMB 256
*
* ACIA INPUT TEST
*
INTEST LDA ACIAC1
BITA #$01
RTS
*
* RESET ACIA
*
ACIRST LDA #$03 master reset
STA ACIAC1
LDA #$11
STA ACIAC1
RTS
*
* ACIA INPUT
*
INTER LDA #16
STA DELCNT+0
CLR DELCNT+1
CLR DELCNT+2
INTER0 LDA ACIAC1
BITA #$01
BNE INTER1
BITA #$78
BEQ INTER2
BSR ACIRST
BRA INTER
*
INTER1 LDA ACIAD1
ANDCC #$FF-VFLAG
RTS
*
INTER2 DEC DELCNT+2
BNE INTER0
DEC DELCNT+1
BNE INTER0
DEC DELCNT+0
BNE INTER0
CLRA
ORCC #VFLAG
RTS
*
* ACIA OUTPUT
*
OUTTER PSHS A
*
OUTTE1 LDA ACIAC1
BITA #$02
BNE OUTTE2
BITA #$78
BEQ OUTTE1
BSR ACIRST
BRA OUTTE1
*
OUTTE2 PULS A
STA ACIAD1
RTS
*
* Print Data
*
PDATA0 BSR OUTTER
PDATA1 LDA ,X+
CMPA #$04
BNE PDATA0
RTS
*
** 'UX' Xmodem ROM Disk upload
*
UXMES0 FCB $0D,$0A
FCC 'Xmodem ROM Disk Upload'
FCB 4
UXMES1 FCB $0D,$0A
FCC 'Upload Complete'
FCB 4
UXMES2 FCB $0D,$0A
FCC 'Upload Error'
FCB 4
UXMSG3 FCB $0D,$0A
FCC 'Drive Number :'
FCB 4
UXMSG4 FCB $0D,$0A
FCC 'Are You Sure ? (Y/N)'
FCB 4
*
* Print Banner
*
UXSUB LDX #UXMES0
LBSR PDATA1
*
* Prompt for Disk drive number (0 to 3)
*
LDX #UXMSG3
LBSR PDATA1
UXSUB1 LBSR INTER
BVS UXSUB1
LBSR OUTTER
CMPA #'0
LBLO UXEXIT
CMPA #'3
LBHI UXEXIT
SUBA #'0
STA DRVNUM
*
* Report selected drive
*
LDX #UXMSG3
LBSR PDATA1
LDA DRVNUM
ADDA #'0
LBSR OUTTER
*
* Ask for confirmation (Y/N)
*
LDX #UXMSG4
LBSR PDATA1
UXSUB2 LBSR INTER
BVS UXSUB2
LBSR OUTTER
ANDA #$5F
CMPA #'N
LBEQ UXEXIT
CMPA #'Y
BNE UXSUB
*
* We have confirmation ... now load the disk image
*
LBSR INITDR
LDU #XSTST
STU XSTATE
LDA #1
STA BLKNUM
*
* Sector1
*
LDX #BUFFER
*
CLRA TRACK 0
LDB #$01 SECTOR 1
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA TRACK
LDB SECTOR
LBSR WRITSC
LBSR XACK
*
* Sector 2
*
LDX #BUFFER
*
LDA TRACK
LDB SECTOR
INCB
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA TRACK
LDB SECTOR
LBSR WRITSC
*
LBSR XACK
*
* Sector 3 - SIR
*
LDX #BUFFER
*
LDA TRACK
LDB SECTOR
INCB
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA 38,X
INCA
STA MAXTRK
LDB 39,X
INCB
STB MAXSEC
LDA TRACK
LDB SECTOR
LBSR WRITSC
*
LBSR XACK
*
* Sector 4 to Last Track & Sector
*
*
LDA TRACK
LDB SECTOR
INCB
*
UXLOOP LDX #BUFFER
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA TRACK
LDB SECTOR
LBSR WRITSC
LBSR XACK
*
LDA TRACK
LDB SECTOR
INCB
CMPB MAXSEC
BNE UXLOOP
LDB #1
INCA
CMPA MAXTRK
BNE UXLOOP
*
*
* Write Boot sector
*
LDX #$C000
CLRA TRACK 0
LDB #$01 SECTOR 1
STA TRACK
STB SECTOR
LBSR WRITSC
*
UXEXIT LDX #UXMES1
JMP PDATA1
*
UXERR LDX #UXMES2
LBRA PDATA1
*
* Get a Byte using XModem protocol
* Carry clear => no errors
* Carry set => errors
*
XREAD PSHS U
LDU XSTATE
*
XBYTE0 LBSR INTER
BVC XBYTE1
LDA #NAK
LBSR OUTTER
LDU #XSTST
BRA XBYTE0
*
XBYTE1 JSR ,U
BNE XBYTE0
STU XSTATE
PULS U,PC
*
* START - LOOK FOR SOH (START OF HEADER) = $01
*
XSTST CMPA #SOH
BNE XSTST1
LDU #XSTBL
ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
RTS
*
XSTST1 CMPA #EOT
BNE XSTST2
LDA #ACK
LBSR OUTTER
ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
RTS
*
XSTST2 CMPA #CAN
BNE XSTST3
ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
RTS
*
XSTST3 ANDCC #$FF-CFLAG-ZFLAG
RTS
*
* Got SOH
* Now get block number
*
XSTBL CMPA BLKNUM
BNE XSTBLE
LDU #XSTCOM
ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
RTS
*
* Error in block number
*
XSTBLE LDA #NAK
LBSR OUTTER
LDU #XSTST
ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
RTS
*
* Get complement of block number
*
XSTCOM COMA
CMPA BLKNUM
BNE XSTBLE
CLR CHKSUM
LDA #128
STA BYTCNT
LDU #XSTDA
ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
RTS
*
* Get data bytes
*
XSTDA PSHS A
ADDA CHKSUM
STA CHKSUM
PULS A
DEC BYTCNT
BNE XSTDA1
LDU #XSTCK
XSTDA1 STA ,X+
ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
RTS
*
* Byte count reached zero
* Check checksum byte
*
XSTCK CMPA CHKSUM
BNE XSTCK1 retry if wrong checksum
*
* Checksum OK ...
* increment block number
* Don't send ACK until data written to CF
*
INC BLKNUM
LDU #XSTST
ANDCC #$FF-CFLAG No abort
ORCC #ZFLAG Valid data (exit)
RTS
*
* Checksum Error detected ...
* Reset Sector counter in ACCB to last 128 byte boundary
* and send NAK
*
XSTCK1 PSHS B
TFR X,D
DECB
ANDB #128
TFR D,X
PULS B
LDA #NAK
XSTCK2 LBSR OUTTER
LDU #XSTST
ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
RTS
*
* Acknowledge Data Received
*
XACK PSHS A
LDA #ACK
LBSR OUTTER
PULS A,PC
*
*
** FLEX 9 COMPACT FLASH DISK DRIVERS
*
* FOR SYS09BUG 1.2 ON THE BURCHED B5-X300
* WITH I/O MAPPED AT $XE000
* AND ROM MAPPED AT $XF000
* THE BURCHED B5-X300 HAS 256KBYTES OF SRAM
* THE FIRST 64K IS USED BY FLEX,
* THE SECOND 192K MAY BE USED AS A RAM DISK
*
*
IMASK EQU $10 IRQ MASK CC
FMASK EQU $40 FIRQ MASK CC
DATREG EQU $FFF0 DAT REGISTERS
*
CF_BASE EQU $E040
CF_DATA EQU CF_BASE+0
CF_ERROR EQU CF_BASE+1 ; read error
CF_FEATURE EQU CF_BASE+1 ; write feature
CF_SCNT EQU CF_BASE+2
CF_SNUM EQU CF_BASE+3
CF_CLO EQU CF_BASE+4
CF_CHI EQU CF_BASE+5
CF_HEAD EQU CF_BASE+6
CF_STATUS EQU CF_BASE+7 ; read status
CF_COMAND EQU CF_BASE+7 ; write command
*
* Command Equates
*
CMDREAD EQU $20 ; Read Single sector
CMDWRITE EQU $30 ; Write Single sector
CMDFEATURE EQU $EF
FEAT8BIT EQU $01 ; enable 8 bit transfers
HEADLBA EQU $E0
*
* Status bit equates
*
BSY EQU $80
DRDY EQU $40
DRQ EQU $08
ERR EQU $01
*
*
* INITIALIZE CF CARD FOR 8 BIT LBA MODE
*
INITDR BSR WAITRDY
LDA #HEADLBA
STA CF_HEAD
LDA #FEAT8BIT
STA CF_FEATURE
LDA #CMDFEATURE
STA CF_COMAND
BRA WAITRDY
*
* Seek track and sector
* A holds track number (0 - ??)
* B holds sector number (1 - ??)
* Sector numbers starts from 1
* subtract 1 to start from sector 0 on CF
*
SEEKTS DECB
STB CF_SNUM
STA CF_CLO
LDB DRVNUM
STB CF_CHI
LDB #$01
STB CF_SCNT
CLRB
RTS
*
* READ SECTORS FROM CF
*
*
READSC BSR SEEKTS
LDA #CMDREAD ; IDE READ MULTIPLE
STA CF_COMAND
BSR WAITRDY
*
* READ LOOP
*
CLRB
RDLP1 BSR WAITDRQ
LDA CF_DATA
STA ,X+
DECB
BNE RDLP1
*
CLRB
RDLP2 BSR WAITDRQ
LDA CF_DATA
DECB
BNE RDLP2
*
BSR WAITRDY
CLRB
RTS
*
* WRITE SECTOR TO CF
*
WRITSC BSR SEEKTS ; SEEK TRACK & SECTOR
LDA #CMDWRITE ; IDE WRITE MULTIPLE
STA CF_COMAND
BSR WAITRDY
*
* WRITE LOOP
*
CLRB
WRTLP1 BSR WAITDRQ
LDA ,X+
STA CF_DATA
DECB
BNE WRTLP1
*
CLRB
WRTLP2 BSR WAITDRQ
CLRA
STA CF_DATA
DECB
BNE WRTLP2
*
BSR WAITRDY
CLRB
RTS
*
* CHECK FOR BUSY
* Doubles as VERIFY
*
BUSY CLRB Never busy
RTS
*
* DRIVE SELECT DISK DRIVER
*
DRVSEL LDA 3,X GET DRIVE # FROM FCB
CMPA #3
BLS DRVS2 IF > 3, SET IT TO 0
CLRA
DRVS2 STA DRVNUM
CLRB ; SET Z, CLEAR C
RTS
*
* CHECK DRIVE READY DISK DRIVER
*
CHKDRV LDA 3,X
CLRB ; CLEAR C, SET Z
RTS
*
* WAIT UNTIL READY
*
WAITRDY LDA CF_STATUS
BITA #BSY
BNE WAITRDY
LDA CF_STATUS
BITA #DRDY
BEQ WAITRDY
RTS
*
* WAIT FOR DATA REQUEST
*
WAITDRQ LDA CF_STATUS
BITA #DRQ
BEQ WAITDRQ
RTS
*
*******************************************************
*
* Bootstrap FLEX Loader
*
* SBUG1.8 loads the bootstap loader at $C000
* however the Flex adaption manual has the
* bootstrap loader residing at $C100
*
******************************************************
*
* Equates
*
STACK EQU $C0FF
SCTBUF EQU $C300
*
* Start of Utility
*
ORG $C000
BOOT BRA LOAD0
FCB 0,0,0
TRK FCB 0 File start track
SCT FCB 0 File start sector
DNS FCB 0 Density Flag (not used)
TADR FDB $C000 Transfer address
LADR FDB 0 Load Address
DRNUM FCB 0 Drive number 0
*
LOAD0 LDS #STACK Set up stack
LDD TRK Set up start track and sector
STD SCTBUF
LDY #SCTBUF+256
*
* Perform actual file load
*
LOAD1 BSR GETCH Get acharcater
CMPA #$02 Data record hearder ?
BEQ LOAD2 Skip, is so
CMPA #$16 Xfr address hearder ?
BNE LOAD1 Loop if neither
*
* Get transfer address
*
BSR GETCH
STA TADR
BSR GETCH
STA TADR+1
BRA LOAD1
*
* Load data record
*
LOAD2 BSR GETCH Get load address
STA LADR
BSR GETCH
STA LADR+1
BSR GETCH Get Bytes count
TFR A,B
TSTB
BEQ LOAD1 Loop if count = 0
LDX LADR Get load address
LOAD3 PSHS B,X
BSR GETCH Get data character
PULS B,X
STA ,X+ Store at load address
DECB
BNE LOAD3 Loop until count = 0
BRA LOAD1
*
* Get Character routine
* Reads a sector if needed
*
GETCH CMPY #SCTBUF+256 out of data ?
BNE GETCH4 Go read Character if not
GETCH2 LDX #SCTBUF Point to buffer
LDD 0,X Get forward Link
BEQ GO if zero, file is loaded
BSR READ Read next sector
BNE BOOT start over if error
LDY #SCTBUF+4 Point past link
GETCH4 LDA ,Y+ Else, get a character
RTS
*
* File is loaded, Jump to it
*
GO JMP [TADR] Jump to transfer address
 
*
** FLEX 9 COMPACT FLASH DISK DRIVERS
*
* FOR SYS09BUG 1.2 ON THE BURCHED B5-X300
* WITH I/O MAPPED AT $XE000
* AND ROM MAPPED AT $XF000
* THE BURCHED B5-X300 HAS 256KBYTES OF SRAM
* THE FIRST 64K IS USED BY FLEX,
* THE SECOND 192K MAY BE USED AS A RAM DISK
*
*
*IMASK EQU $10 IRQ MASK CC
*FMASK EQU $40 FIRQ MASK CC
*DATREG EQU $FFF0 DAT REGISTERS
*
*CF_BASE EQU $E040
*CF_DATA EQU CF_BASE+0
*CF_ERROR EQU CF_BASE+1 ; read error
*CF_FEATURE EQU CF_BASE+1 ; write feature
*CF_SCNT EQU CF_BASE+2
*CF_SNUM EQU CF_BASE+3
*CF_CLO EQU CF_BASE+4
*CF_CHI EQU CF_BASE+5
*CF_HEAD EQU CF_BASE+6
*CF_STATUS EQU CF_BASE+7 ; read status
*CF_COMAND EQU CF_BASE+7 ; write command
*
* Command Equates
*
*CMDREAD EQU $20 ; Read Single sector
*CMDWRITE EQU $30 ; Write Single sector
*CMDFEATURE EQU $EF
*FEAT8BIT EQU $01 ; enable 8 bit transfers
*HEADLBA EQU $E0
*
* Status bit equates
*
*BSY EQU $80
*DRDY EQU $40
*DRQ EQU $08
*ERR EQU $01
*
* Seek track and sector
* A holds track number (0 - ??)
* B holds sector number (1 - ??)
* Sector numbers starts from 1
* subtract 1 to start from sector 0 on CF
*
SEEK DECB
STB CF_SNUM
STA CF_CLO
LDB DRNUM
STB CF_CHI
LDB #$01
STB CF_SCNT
CLRB
RTS
*
* READ SECTORS FROM CF
*
*
READ BSR SEEK
LDA #CMDREAD ; IDE READ MULTIPLE
STA CF_COMAND
BSR WTRDY
*
* READ LOOP
*
CLRB
READ1 BSR WTDRQ
LDA CF_DATA
STA ,X+
DECB
BNE READ1
*
CLRB
READ2 BSR WTDRQ
LDA CF_DATA
DECB
BNE READ2
*
BSR WTRDY
CLRB
RTS
*
* WAIT UNTIL READY
*
WTRDY LDA CF_STATUS
BITA #BSY
BNE WTRDY
LDA CF_STATUS
BITA #DRDY
BEQ WTRDY
RTS
*
* WAIT FOR DATA REQUEST
*
WTDRQ LDA CF_STATUS
BITA #DRQ
BEQ WTDRQ
RTS
*
END START
/upld_ide.txt
0,0 → 1,865
*
** FLEX 9 DISK DRIVERS
*
* FOR SYS09BUG ON THE DIGILENT SPARTAN 3 STARTER BOARD
* WITH I/O MAPPED AT $XE000
* AND ROM MAPPED AT $XF000
* THE DIGILENT SPARTAN 3 STARTER BOARD HAS 1MBYTE OF SRAM
* THE FIRST 64K IS USED BY FLEX,
* THE SECOND 128K IS USED AS A ROM DISK
* THE REMAINING RAM IS USED FOR A RAM DISK
*
*
CFLAG EQU $01 CARRY FLAG
VFLAG EQU $02 OVERFLOW FLAG
ZFLAG EQU $04 ZERO FLAG
NFLAG EQU $08 NEGATIVE FLAG
IFLAG EQU $10 IRQ MASK CC
HFLAG EQU $20 HALF CARRY
FFLAG EQU $40 FIRQ MASK CC
EFLAG EQU $80 ENTIRE FLAG
*
MAPPAG EQU $00 PAGE $0000 DAT ADDRESS
*
* Serial Port
*
ACIAS EQU $E000
ACIAC1 EQU ACIAS
ACIAD1 EQU ACIAS+1
DELCON EQU 1250 Delay (Processor clock in MHz * 50)
*
* XMODEM Control characters
*
SOH EQU $01
EOT EQU $04
ACK EQU $06
NAK EQU $15
CAN EQU $18
*
* Some dummy Constants
*
RMAXTRK EQU 64
RMAXSEC EQU 255
RTOTSEC EQU RMAXTRK*RMAXSEC-RMAXSEC
*
* Start
*
ORG $0100
START LBSR UXSUB
JMP [$F800] Jump to monitor on Completion.
*
*
* RAM SPACE
*
DRVNUM FCB 0
TRACK FCB 0
SECTOR FCB 0
CHKSUM FCB 0
BLKNUM FCB 0 Xmodem block number
BYTCNT FCB 0 Xmodem byte count
XSTATE FDB 0 Xmodem State Vector
DELCNT FCB $00,$00,$00 Xmodem Poll timer
MAXTRK FCB 0
MAXSEC FCB 0
ORG $0200
*
* SECTOR BUFFER
*
BUFFER RMB 256
*
*
* recieve char from remote drive.
* timeout if no response for approx 1s.
* Entry: no parameters
* Exit: (A) = recieved char, (C)=1 if valid char, (C)=0 if timeout.
*
RCHAR PSHS X,Y
*
LDX #1000 1000x inner loop
RCHAR1 LDY #DELCON delay constant for inner loop (approx 1ms).
RCHAR2 LDA ACIAC1 test for recieved char
ASRA
BCS RCHAR3 get character
LEAY -1,Y else, continue to count delay
BNE RCHAR2
LEAX -1,X
BNE RCHAR1
PULS X,Y,PC return with error if timed out
*
RCHAR3 LDA ACIAD1 return data (carry bit still set)
PULS X,Y,PC
*
*
* transmit char to remote drive.
* timeout if no response for approx 1s. (allows for use of hardware flow control)
* Entry: (A) = char to transmit
* Exit: (A) = recieved char, (C)=1 if valid char, (C)=0 if timeout.
*
SCHAR PSHS X,Y
PSHS A
*
LDX #1000 1000x inner loop
SCHAR1 LDY #DELCON delay constant for inner loop (approx 1ms).
SCHAR2 LDA ACIAC1 test for space in transmit FIFO
ASRA
ASRA
BCS SCHAR3 send character
LEAY -1,Y else, continue to count delay
BNE SCHAR2
LEAX -1,X
BNE SCHAR1
PULS A
PULS X,Y,PC return with error if timed out
*
SCHAR3 PULS A
STA ACIAD1 send data (carry bit still set)
PULS X,Y,PC
*
* Read a byte from the serial port
*
LRBYTE PSHS B
BSR LRHEX Get hex digit.
ASLA
ASLA Shift to msb.
ASLA
ASLA
TFR A,B Save in B.
BSR LRHEX Get next digit.
PSHS B
ADDA 0,S+ Add together bytes.
PULS B,PC
*
LRHEX JSR INTER
BVS LRHEX
SUBA #$30 Remove ascii bias.
BMI LRHEX
CMPA #$09 Number?
BLE LRHEX1 Yes.
CMPA #$11 Keep testing.
BMI LRHEX
CMPA #$16
BGT LRHEX
SUBA #$07
LRHEX1 RTS
*
* ACIA INPUT TEST
*
INTEST LDA ACIAC1
BITA #$01
RTS
*
* RESET ACIA
*
ACIRST LDA #$03 master reset
STA ACIAC1
LDA #$11
STA ACIAC1
RTS
*
* ACIA INPUT
*
INTER LDA #16
STA DELCNT+0
CLR DELCNT+1
CLR DELCNT+2
INTER0 LDA ACIAC1
BITA #$01
BNE INTER1
BITA #$78
BEQ INTER2
BSR ACIRST
BRA INTER
*
INTER1 LDA ACIAD1
ANDCC #$FF-VFLAG
RTS
*
INTER2 DEC DELCNT+2
BNE INTER0
DEC DELCNT+1
BNE INTER0
DEC DELCNT+0
BNE INTER0
CLRA
ORCC #VFLAG
RTS
*
* ACIA OUTPUT
*
OUTTER PSHS A
*
OUTTE1 LDA ACIAC1
BITA #$02
BNE OUTTE2
BITA #$78
BEQ OUTTE1
BSR ACIRST
BRA OUTTE1
*
OUTTE2 PULS A
STA ACIAD1
RTS
*
* Print Data
*
PDATA0 BSR OUTTER
PDATA1 LDA ,X+
CMPA #$04
BNE PDATA0
RTS
*
*
** 'UX' Xmodem ROM Disk upload
*
UXMES0 FCB $0D,$0A
FCC 'Xmodem ROM Disk Upload'
FCB 4
UXMES1 FCB $0D,$0A
FCC 'Upload Complete'
FCB 4
UXMES2 FCB $0D,$0A
FCC 'Upload Error'
FCB 4
UXMSG3 FCB $0D,$0A
FCC 'Drive Number :'
FCB 4
UXMSG4 FCB $0D,$0A
FCC 'Are You Sure ? (Y/N)'
FCB 4
*
* Print Banner
*
UXSUB LDX #UXMES0
LBSR PDATA1
*
* Prompt for Disk drive number (0 to 3)
*
LDX #UXMSG3
LBSR PDATA1
UXSUB1 LBSR INTER
BVS UXSUB1
LBSR OUTTER
CMPA #'0
LBLO UXEXIT
CMPA #'3
LBHI UXEXIT
SUBA #'0
STA DRVNUM
*
* Report selected drive
*
LDX #UXMSG3
LBSR PDATA1
LDA DRVNUM
ADDA #'0
LBSR OUTTER
*
* Ask for confirmation (Y/N)
*
LDX #UXMSG4
LBSR PDATA1
UXSUB2 LBSR INTER
BVS UXSUB2
LBSR OUTTER
ANDA #$5F
CMPA #'N
LBEQ UXEXIT
CMPA #'Y
BNE UXSUB
*
* We have confirmation ... now load the disk image
*
LBSR INITDR
LDU #XSTST
STU XSTATE
LDA #1
STA BLKNUM
*
* Sector1
*
LDX #BUFFER
*
CLRA TRACK 0
LDB #$01 SECTOR 1
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA TRACK
LDB SECTOR
LBSR WRITSC
LBSR XACK
*
* Sector 2
*
LDX #BUFFER
*
LDA TRACK
LDB SECTOR
INCB
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA TRACK
LDB SECTOR
LBSR WRITSC
*
LBSR XACK
*
* Sector 3 - SIR
*
LDX #BUFFER
*
LDA TRACK
LDB SECTOR
INCB
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA 38,X
INCA
STA MAXTRK
LDB 39,X
INCB
STB MAXSEC
LDA TRACK
LDB SECTOR
LBSR WRITSC
*
LBSR XACK
*
* Sector 4 to Last Track & Sector
*
*
LDA TRACK
LDB SECTOR
INCB
*
UXLOOP LDX #BUFFER
STA TRACK
STB SECTOR
*
LBSR XREAD
LBCS UXERR
LBSR XACK
LBSR XREAD
LBCS UXERR
*
LDX #BUFFER
LDA TRACK
LDB SECTOR
LBSR WRITSC
LBSR XACK
*
LDA TRACK
LDB SECTOR
INCB
CMPB MAXSEC
BNE UXLOOP
LDB #1
INCA
CMPA MAXTRK
BNE UXLOOP
*
*
* Write Boot sector
*
LDX #$C000
CLRA TRACK 0
LDB #$01 SECTOR 1
STA TRACK
STB SECTOR
LBSR WRITSC
*
UXEXIT LDX #UXMES1
JMP PDATA1
*
UXERR LDX #UXMES2
LBRA PDATA1
*
* Get a Byte using XModem protocol
* Carry clear => no errors
* Carry set => errors
*
XREAD PSHS U
LDU XSTATE
*
XBYTE0 LBSR INTER
BVC XBYTE1
LDA #NAK
LBSR OUTTER
LDU #XSTST
BRA XBYTE0
*
XBYTE1 JSR ,U
BNE XBYTE0
STU XSTATE
PULS U,PC
*
* START - LOOK FOR SOH (START OF HEADER) = $01
*
XSTST CMPA #SOH
BNE XSTST1
LDU #XSTBL
ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
RTS
*
XSTST1 CMPA #EOT
BNE XSTST2
LDA #ACK
LBSR OUTTER
ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
RTS
*
XSTST2 CMPA #CAN
BNE XSTST3
ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
RTS
*
XSTST3 ANDCC #$FF-CFLAG-ZFLAG
RTS
*
* Got SOH
* Now get block number
*
XSTBL CMPA BLKNUM
BNE XSTBLE
LDU #XSTCOM
ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
RTS
*
* Error in block number
*
XSTBLE LDA #NAK
LBSR OUTTER
LDU #XSTST
ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
RTS
*
* Get complement of block number
*
XSTCOM COMA
CMPA BLKNUM
BNE XSTBLE
CLR CHKSUM
LDA #128
STA BYTCNT
LDU #XSTDA
ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
RTS
*
* Get data bytes
*
XSTDA PSHS A
ADDA CHKSUM
STA CHKSUM
PULS A
DEC BYTCNT
BNE XSTDA1
LDU #XSTCK
XSTDA1 STA ,X+
ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
RTS
*
* Byte count reached zero
* Check checksum byte
*
XSTCK CMPA CHKSUM
BNE XSTCK1 retry if wrong checksum
*
* Checksum OK ...
* increment block number
* Don't send ACK until data written to CF
*
INC BLKNUM
LDU #XSTST
ANDCC #$FF-CFLAG No abort
ORCC #ZFLAG Valid data (exit)
RTS
*
* Checksum Error detected ...
* Reset Sector counter in ACCB to last 128 byte boundary
* and send NAK
*
XSTCK1 PSHS B
TFR X,D
DECB
ANDB #128
TFR D,X
PULS B
LDA #NAK
XSTCK2 LBSR OUTTER
LDU #XSTST
ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
RTS
*
* Acknowledge Data Received
*
XACK PSHS A
LDA #ACK
LBSR OUTTER
PULS A,PC
*
*
** FLEX 9 IDE DISK DRIVERS
*
* FOR SYS09BUG 1.2 ON THE XSA-3S1000
* WITH I/O MAPPED AT $XE000
* AND ROM MAPPED AT $XF000
*
*
IMASK EQU $10 IRQ MASK CC
FMASK EQU $40 FIRQ MASK CC
*
CF_BASE EQU $E100
CF_DATA EQU CF_BASE+0
CF_ERROR EQU CF_BASE+2 ; read error
CF_FEATURE EQU CF_BASE+2 ; write feature
CF_SCNT EQU CF_BASE+4
CF_SNUM EQU CF_BASE+6
CF_CLO EQU CF_BASE+8
CF_CHI EQU CF_BASE+10
CF_HEAD EQU CF_BASE+12
CF_STATUS EQU CF_BASE+14 ; read status
CF_COMAND EQU CF_BASE+14 ; write command
CF_AUX EQU CF_BASE+30
*
* Command Equates
*
CMDREAD EQU $20 ; Read Single sector
CMDWRITE EQU $30 ; Write Single sector
AUXRESET EQU $06
AUXRSTREL EQU $02
HEADLBA EQU $E0
*
* Status bit equates
*
BSY EQU $80
DRDY EQU $40
DRQ EQU $08
ERR EQU $01
*
*
* INITIALIZE CF CARD FOR 8 BIT LBA MODE
*
INITDR LDD #AUXRESET
STD CF_AUX
LDD #AUXRSTREL
STD CF_AUX
LDD #HEADLBA
STD CF_HEAD
BRA WAITRDY
*
* RESTORE DISK DRIVER (SEEK TRACK 00)
*
RESTR1 BSR DRVSEL
CLRA ; Track 0
LDB #$01 ; Sector 1
*
* Seek track and sector
* A holds track number (0 - ??)
* B holds sector number (1 - ??)
* Sector numbers starts from 1
* subtract 1 to start from sector 0 on CF
*
SEEKTS PSHS A
CLRA
DECB
STD CF_SNUM
LDB ,S
STD CF_CLO
LDB DRVNUM
STD CF_CHI
LDB #$01
STD CF_SCNT
CLRB
PULS A,PC
*
* READ SECTORS FROM CF
*
*
READSC BSR SEEKTS
LDD #CMDREAD ; IDE READ MULTIPLE
STD CF_COMAND
BSR WAITRDY
*
* READ LOOP
*
PSHS Y
LDY #256
RDLP1 BSR WAITDRQ
LDD CF_DATA
STB ,X+
LEAY -1,Y
BNE RDLP1
PULS Y
*
BSR WAITRDY
CLRB
RTS
*
* WRITE SECTOR TO CF
*
WRITSC BSR SEEKTS ; SEEK TRACK & SECTOR
LDD #CMDWRITE ; IDE WRITE MULTIPLE
STD CF_COMAND
BSR WAITRDY
*
* WRITE LOOP
*
PSHS Y
LDY #256
CLRA
WRTLP1 BSR WAITDRQ
LDB ,X+
STD CF_DATA
LEAY -1,Y
BNE WRTLP1
PULS Y
*
BSR WAITRDY
CLRB
RTS
*
* CHECK FOR BUSY
* Doubles as VERIFY
*
BUSY CLRB Never busy
RTS
*
* DRIVE SELECT DISK DRIVER
*
DRVSEL LDA 3,X GET DRIVE # FROM FCB
CMPA #3
BLS DRVS2 IF > 3, SET IT TO 0
CLRA
DRVS2 STA DRVNUM
CLRB ; SET Z, CLEAR C
RTS
*
* CHECK DRIVE READY DISK DRIVER
*
CHKDRV LDA 3,X
CLRB ; CLEAR C, SET Z
RTS
*
* WAIT UNTIL READY
*
WAITRDY LDD CF_STATUS
BITB #BSY
BNE WAITRDY
LDD CF_STATUS
BITB #DRDY
BEQ WAITRDY
RTS
*
* WAIT FOR DATA REQUEST
*
WAITDRQ LDD CF_STATUS
BITB #DRQ
BEQ WAITDRQ
RTS
*
*******************************************************
*
* Bootstrap FLEX Loader
*
* SBUG1.8 loads the bootstap loader at $C000
* however the Flex adaption manual has the
* bootstrap loader residing at $C100
*
******************************************************
*
* Equates
*
STACK EQU $C0FF
SCTBUF EQU $C300
*
* Start of Utility
*
ORG $C000
BOOT BRA LOAD0
FCB 0,0,0
TRK FCB 0 File start track
SCT FCB 0 File start sector
DNS FCB 0 Density Flag (not used)
TADR FDB $C000 Transfer address
LADR FDB 0 Load Address
DRNUM FCB 0 Drive number 0
*
LOAD0 LDS #STACK Set up stack
LDD TRK Set up start track and sector
STD SCTBUF
LDY #SCTBUF+256
*
* Perform actual file load
*
LOAD1 BSR GETCH Get acharcater
CMPA #$02 Data record hearder ?
BEQ LOAD2 Skip, is so
CMPA #$16 Xfr address hearder ?
BNE LOAD1 Loop if neither
*
* Get transfer address
*
BSR GETCH
STA TADR
BSR GETCH
STA TADR+1
BRA LOAD1
*
* Load data record
*
LOAD2 BSR GETCH Get load address
STA LADR
BSR GETCH
STA LADR+1
BSR GETCH Get Bytes count
TFR A,B
TSTB
BEQ LOAD1 Loop if count = 0
LDX LADR Get load address
LOAD3 PSHS B,X
BSR GETCH Get data character
PULS B,X
STA ,X+ Store at load address
DECB
BNE LOAD3 Loop until count = 0
BRA LOAD1
*
* Get Character routine
* Reads a sector if needed
*
GETCH CMPY #SCTBUF+256 out of data ?
BNE GETCH4 Go read Character if not
GETCH2 LDX #SCTBUF Point to buffer
LDD 0,X Get forward Link
BEQ GO if zero, file is loaded
BSR READ Read next sector
BNE BOOT start over if error
LDY #SCTBUF+4 Point past link
GETCH4 LDA ,Y+ Else, get a character
RTS
*
* File is loaded, Jump to it
*
GO JMP [TADR] Jump to transfer address
 
*
** FLEX 9 IDE DISK DRIVERS
*
* FOR SYS09BUG 1.2 ON THE XSA-3S1000
* WITH I/O MAPPED AT $XE000
* AND ROM MAPPED AT $XF000
*
*IMASK EQU $10 IRQ MASK CC
*FMASK EQU $40 FIRQ MASK CC
*
*CF_BASE EQU $E100
*CF_DATA EQU CF_BASE+0
*CF_ERROR EQU CF_BASE+2 ; read error
*CF_FEATURE EQU CF_BASE+2 ; write feature
*CF_SCNT EQU CF_BASE+4
*CF_SNUM EQU CF_BASE+6
*CF_CLO EQU CF_BASE+8
*CF_CHI EQU CF_BASE+10
*CF_HEAD EQU CF_BASE+12
*CF_STATUS EQU CF_BASE+14 ; read status
*CF_COMAND EQU CF_BASE+14 ; write command
*CF_AUX EQU CF_BASE+30
*
* Command Equates
*
*CMDREAD EQU $20 ; Read Single sector
*CMDWRITE EQU $30 ; Write Single sector
*HEADLBA EQU $E0
*AUXRESET EQU $06
*AUXRSTREL EQU $02
*
* Status bit equates
*
*BSY EQU $80
*DRDY EQU $40
*DRQ EQU $08
*ERR EQU $01
*
* Seek track and sector
* A holds track number (0 - ??)
* B holds sector number (1 - ??)
* Sector numbers starts from 1
* subtract 1 to start from sector 0 on CF
*
SEEK PSHS A
CLRA
DECB
STD CF_SNUM
LDB ,S
STD CF_CLO
LDB DRNUM
STD CF_CHI
LDB #$01
STD CF_SCNT
CLRB
PULS A,PC
*
* READ SECTORS FROM CF
*
*
READ BSR SEEK
LDD #CMDREAD ; IDE READ MULTIPLE
STD CF_COMAND
BSR WTRDY
*
* READ LOOP
*
PSHS Y
LDY #256
READ1 BSR WTDRQ
LDD CF_DATA
STB ,X+
LEAY -1,Y
BNE READ1
PULS Y
*
BSR WTRDY
CLRB
RTS
*
* WAIT UNTIL READY
*
WTRDY LDD CF_STATUS
BITB #BSY
BNE WTRDY
LDD CF_STATUS
BITB #DRDY
BEQ WTRDY
RTS
*
* WAIT FOR DATA REQUEST
*
WTDRQ LDD CF_STATUS
BITB #DRQ
BEQ WTDRQ
RTS
*
END START
/upld_cf8.lst
0,0 → 1,812
Assembler release DWC_2.0 version 2.11
May 6, 2004 (c) Motorola (free ware)
0001 *
0002 ** FLEX 9 DISK DRIVERS
0003 *
0004 * FOR SYS09BUG ON THE DIGILENT SPARTAN 3 STARTER BOARD
0005 * WITH I/O MAPPED AT $XE000
0006 * AND ROM MAPPED AT $XF000
0007 * THE DIGILENT SPARTAN 3 STARTER BOARD HAS 1MBYTE OF SRAM
0008 * THE FIRST 64K IS USED BY FLEX,
0009 * THE SECOND 128K IS USED AS A ROM DISK
0010 * THE REMAINING RAM IS USED FOR A RAM DISK
0011 *
0012 *
0013 0001 CFLAG EQU $01 CARRY FLAG
0014 0002 VFLAG EQU $02 OVERFLOW FLAG
0015 0004 ZFLAG EQU $04 ZERO FLAG
0016 0008 NFLAG EQU $08 NEGATIVE FLAG
0017 0010 IFLAG EQU $10 IRQ MASK CC
0018 0020 HFLAG EQU $20 HALF CARRY
0019 0040 FFLAG EQU $40 FIRQ MASK CC
0020 0080 EFLAG EQU $80 ENTIRE FLAG
0021 *
0022 0000 MAPPAG EQU $00 PAGE $0000 DAT ADDRESS
0023 *
0024 * Serial Port
0025 *
0026 E000 ACIAS EQU $E000
0027 E000 ACIAC1 EQU ACIAS
0028 E001 ACIAD1 EQU ACIAS+1
0029 04E2 DELCON EQU 1250 Delay (Processor clock in MHz * 50)
0030 *
0031 * XMODEM Control characters
0032 *
0033 0001 SOH EQU $01
0034 0004 EOT EQU $04
0035 0006 ACK EQU $06
0036 0015 NAK EQU $15
0037 0018 CAN EQU $18
0038 *
0039 * Some dummy Constants
0040 *
0041 0030 RMAXTRK EQU 48
0042 000E RMAXSEC EQU 14
0043 0292 RTOTSEC EQU RMAXTRK*RMAXSEC-RMAXSEC
0044 *
0045 * Start
0046 *
0047 0100 ORG $0100
0048 0100 17 02 C3 START LBSR UXSUB
0049 0103 6E 9F F8 00 JMP [$F800] Jump to monitor on Completion.
0050 *
0051 *
0052 * RAM SPACE
0053 *
0054 0107 00 DRVNUM FCB 0
0055 0108 00 TRACK FCB 0
0056 0109 00 SECTOR FCB 0
0057 010A 00 CHKSUM FCB 0
0058 010B 00 BLKNUM FCB 0 Xmodem block number
0059 010C 00 BYTCNT FCB 0 Xmodem byte count
0060 010D 00 00 XSTATE FDB 0 Xmodem State Vector
0061 010F 00 00 00 DELCNT FCB $00,$00,$00 Xmodem Poll timer
0062 0112 00 MAXTRK FCB 0
0063 0113 00 MAXSEC FCB 0
0064 0200 ORG $0200
0065 *
0066 * SECTOR BUFFER
0067 *
0068 0200 BUFFER RMB 256
0069 *
0070 * ACIA INPUT TEST
0071 *
0072 0300 B6 E0 00 INTEST LDA ACIAC1
0073 0303 85 01 BITA #$01
0074 0305 39 RTS
0075 *
0076 * RESET ACIA
0077 *
0078 0306 86 03 ACIRST LDA #$03 master reset
0079 0308 B7 E0 00 STA ACIAC1
0080 030B 86 11 LDA #$11
0081 030D B7 E0 00 STA ACIAC1
0082 0310 39 RTS
0083 *
0084 * ACIA INPUT
0085 *
0086 0311 86 10 INTER LDA #16
0087 0313 B7 01 0F STA DELCNT+0
0088 0316 7F 01 10 CLR DELCNT+1
0089 0319 7F 01 11 CLR DELCNT+2
0090 031C B6 E0 00 INTER0 LDA ACIAC1
0091 031F 85 01 BITA #$01
0092 0321 26 08 BNE INTER1
0093 0323 85 78 BITA #$78
0094 0325 27 0A BEQ INTER2
0095 0327 8D DD BSR ACIRST
0096 0329 20 E6 BRA INTER
0097 *
0098 032B B6 E0 01 INTER1 LDA ACIAD1
0099 032E 1C FD ANDCC #$FF-VFLAG
0100 0330 39 RTS
0101 *
0102 0331 7A 01 11 INTER2 DEC DELCNT+2
0103 0334 26 E6 BNE INTER0
0104 0336 7A 01 10 DEC DELCNT+1
0105 0339 26 E1 BNE INTER0
0106 033B 7A 01 0F DEC DELCNT+0
0107 033E 26 DC BNE INTER0
0108 0340 4F CLRA
0109 0341 1A 02 ORCC #VFLAG
0110 0343 39 RTS
0111 *
0112 * ACIA OUTPUT
0113 *
0114 0344 34 02 OUTTER PSHS A
0115 *
0116 0346 B6 E0 00 OUTTE1 LDA ACIAC1
0117 0349 85 02 BITA #$02
0118 034B 26 08 BNE OUTTE2
0119 034D 85 78 BITA #$78
0120 034F 27 F5 BEQ OUTTE1
0121 0351 8D B3 BSR ACIRST
0122 0353 20 F1 BRA OUTTE1
0123 *
0124 0355 35 02 OUTTE2 PULS A
0125 0357 B7 E0 01 STA ACIAD1
0126 035A 39 RTS
0127 *
0128 * Print Data
0129 *
0130 035B 8D E7 PDATA0 BSR OUTTER
0131 035D A6 80 PDATA1 LDA ,X+
0132 035F 81 04 CMPA #$04
0133 0361 26 F8 BNE PDATA0
0134 0363 39 RTS
0135 *
0136 ** 'UX' Xmodem ROM Disk upload
0137 *
0138 0364 0D 0A UXMES0 FCB $0D,$0A
0139 0366 58 6D 6F 64 65 6D FCC 'Xmodem ROM Disk Upload'
20 52 4F 4D 20 44
69 73 6B 20 55 70
6C 6F 61 64
0140 037C 04 FCB 4
0141 037D 0D 0A UXMES1 FCB $0D,$0A
0142 037F 55 70 6C 6F 61 64 FCC 'Upload Complete'
20 43 6F 6D 70 6C
65 74 65
0143 038E 04 FCB 4
0144 038F 0D 0A UXMES2 FCB $0D,$0A
0145 0391 55 70 6C 6F 61 64 FCC 'Upload Error'
20 45 72 72 6F 72
0146 039D 04 FCB 4
0147 039E 0D 0A UXMSG3 FCB $0D,$0A
0148 03A0 44 72 69 76 65 20 FCC 'Drive Number :'
4E 75 6D 62 65 72
20 3A
0149 03AE 04 FCB 4
0150 03AF 0D 0A UXMSG4 FCB $0D,$0A
0151 03B1 41 72 65 20 59 6F FCC 'Are You Sure ? (Y/N)'
75 20 53 75 72 65
20 3F 20 28 59 2F
4E 29
0152 03C5 04 FCB 4
0153 *
0154 * Print Banner
0155 *
0156 03C6 8E 03 64 UXSUB LDX #UXMES0
0157 03C9 17 FF 91 LBSR PDATA1
0158 *
0159 * Prompt for Disk drive number (0 to 3)
0160 *
0161 03CC 8E 03 9E LDX #UXMSG3
0162 03CF 17 FF 8B LBSR PDATA1
0163 03D2 17 FF 3C UXSUB1 LBSR INTER
0164 03D5 29 FB BVS UXSUB1
0165 03D7 17 FF 6A LBSR OUTTER
0166 03DA 81 30 CMPA #'0
0167 03DC 10 25 01 2E LBLO UXEXIT
0168 03E0 81 33 CMPA #'3
0169 03E2 10 22 01 28 LBHI UXEXIT
0170 03E6 80 30 SUBA #'0
0171 03E8 B7 01 07 STA DRVNUM
0172 *
0173 * Report selected drive
0174 *
0175 03EB 8E 03 9E LDX #UXMSG3
0176 03EE 17 FF 6C LBSR PDATA1
0177 03F1 B6 01 07 LDA DRVNUM
0178 03F4 8B 30 ADDA #'0
0179 03F6 17 FF 4B LBSR OUTTER
0180 *
0181 * Ask for confirmation (Y/N)
0182 *
0183 03F9 8E 03 AF LDX #UXMSG4
0184 03FC 17 FF 5E LBSR PDATA1
0185 03FF 17 FF 0F UXSUB2 LBSR INTER
0186 0402 29 FB BVS UXSUB2
0187 0404 17 FF 3D LBSR OUTTER
0188 0407 84 5F ANDA #$5F
0189 0409 81 4E CMPA #'N
0190 040B 10 27 00 FF LBEQ UXEXIT
0191 040F 81 59 CMPA #'Y
0192 0411 26 B3 BNE UXSUB
0193 *
0194 * We have confirmation ... now load the disk image
0195 *
0196 0413 17 01 B1 LBSR INITDR
0197 0416 CE 05 37 LDU #XSTST
0198 0419 FF 01 0D STU XSTATE
0199 041C 86 01 LDA #1
0200 041E B7 01 0B STA BLKNUM
0201 *
0202 * Sector1
0203 *
0204 0421 8E 02 00 LDX #BUFFER
0205 *
0206 0424 4F CLRA TRACK 0
0207 0425 C6 01 LDB #$01 SECTOR 1
0208 0427 B7 01 08 STA TRACK
0209 042A F7 01 09 STB SECTOR
0210 *
0211 042D 17 00 EA LBSR XREAD
0212 0430 10 25 00 E0 LBCS UXERR
0213 0434 17 01 87 LBSR XACK
0214 0437 17 00 E0 LBSR XREAD
0215 043A 10 25 00 D6 LBCS UXERR
0216 *
0217 043E 8E 02 00 LDX #BUFFER
0218 0441 B6 01 08 LDA TRACK
0219 0444 F6 01 09 LDB SECTOR
0220 0447 17 01 C5 LBSR WRITSC
0221 044A 17 01 71 LBSR XACK
0222 *
0223 * Sector 2
0224 *
0225 044D 8E 02 00 LDX #BUFFER
0226 *
0227 0450 B6 01 08 LDA TRACK
0228 0453 F6 01 09 LDB SECTOR
0229 0456 5C INCB
0230 0457 B7 01 08 STA TRACK
0231 045A F7 01 09 STB SECTOR
0232 *
0233 045D 17 00 BA LBSR XREAD
0234 0460 10 25 00 B0 LBCS UXERR
0235 0464 17 01 57 LBSR XACK
0236 0467 17 00 B0 LBSR XREAD
0237 046A 10 25 00 A6 LBCS UXERR
0238 *
0239 046E 8E 02 00 LDX #BUFFER
0240 0471 B6 01 08 LDA TRACK
0241 0474 F6 01 09 LDB SECTOR
0242 0477 17 01 95 LBSR WRITSC
0243 *
0244 047A 17 01 41 LBSR XACK
0245 *
0246 * Sector 3 - SIR
0247 *
0248 047D 8E 02 00 LDX #BUFFER
0249 *
0250 0480 B6 01 08 LDA TRACK
0251 0483 F6 01 09 LDB SECTOR
0252 0486 5C INCB
0253 0487 B7 01 08 STA TRACK
0254 048A F7 01 09 STB SECTOR
0255 *
0256 048D 17 00 8A LBSR XREAD
0257 0490 10 25 00 80 LBCS UXERR
0258 0494 17 01 27 LBSR XACK
0259 0497 17 00 80 LBSR XREAD
0260 049A 10 25 00 76 LBCS UXERR
0261 *
0262 049E 8E 02 00 LDX #BUFFER
0263 04A1 A6 88 26 LDA 38,X
0264 04A4 4C INCA
0265 04A5 B7 01 12 STA MAXTRK
0266 04A8 E6 88 27 LDB 39,X
0267 04AB 5C INCB
0268 04AC F7 01 13 STB MAXSEC
0269 04AF B6 01 08 LDA TRACK
0270 04B2 F6 01 09 LDB SECTOR
0271 04B5 17 01 57 LBSR WRITSC
0272 *
0273 04B8 17 01 03 LBSR XACK
0274 *
0275 * Sector 4 to Last Track & Sector
0276 *
0277 *
0278 04BB B6 01 08 LDA TRACK
0279 04BE F6 01 09 LDB SECTOR
0280 04C1 5C INCB
0281 *
0282 04C2 8E 02 00 UXLOOP LDX #BUFFER
0283 04C5 B7 01 08 STA TRACK
0284 04C8 F7 01 09 STB SECTOR
0285 *
0286 04CB 17 00 4C LBSR XREAD
0287 04CE 10 25 00 42 LBCS UXERR
0288 04D2 17 00 E9 LBSR XACK
0289 04D5 17 00 42 LBSR XREAD
0290 04D8 10 25 00 38 LBCS UXERR
0291 *
0292 04DC 8E 02 00 LDX #BUFFER
0293 04DF B6 01 08 LDA TRACK
0294 04E2 F6 01 09 LDB SECTOR
0295 04E5 17 01 27 LBSR WRITSC
0296 04E8 17 00 D3 LBSR XACK
0297 *
0298 04EB B6 01 08 LDA TRACK
0299 04EE F6 01 09 LDB SECTOR
0300 04F1 5C INCB
0301 04F2 F1 01 13 CMPB MAXSEC
0302 04F5 26 CB BNE UXLOOP
0303 04F7 C6 01 LDB #1
0304 04F9 4C INCA
0305 04FA B1 01 12 CMPA MAXTRK
0306 04FD 26 C3 BNE UXLOOP
0307 *
0308 *
0309 * Write Boot sector
0310 *
0311 04FF 8E C0 00 LDX #$C000
0312 0502 4F CLRA TRACK 0
0313 0503 C6 01 LDB #$01 SECTOR 1
0314 0505 B7 01 08 STA TRACK
0315 0508 F7 01 09 STB SECTOR
0316 050B 17 01 01 LBSR WRITSC
0317 *
0318 050E 8E 03 7D UXEXIT LDX #UXMES1
0319 0511 7E 03 5D JMP PDATA1
0320 *
0321 0514 8E 03 8F UXERR LDX #UXMES2
0322 0517 16 FE 43 LBRA PDATA1
0323 *
0324 * Get a Byte using XModem protocol
0325 * Carry clear => no errors
0326 * Carry set => errors
0327 *
0328 051A 34 40 XREAD PSHS U
0329 051C FE 01 0D LDU XSTATE
0330 *
0331 051F 17 FD EF XBYTE0 LBSR INTER
0332 0522 28 0A BVC XBYTE1
0333 0524 86 15 LDA #NAK
0334 0526 17 FE 1B LBSR OUTTER
0335 0529 CE 05 37 LDU #XSTST
0336 052C 20 F1 BRA XBYTE0
0337 *
0338 052E AD C4 XBYTE1 JSR ,U
0339 0530 26 ED BNE XBYTE0
0340 0532 FF 01 0D STU XSTATE
0341 0535 35 C0 PULS U,PC
0342 *
0343 * START - LOOK FOR SOH (START OF HEADER) = $01
0344 *
0345 0537 81 01 XSTST CMPA #SOH
0346 0539 26 06 BNE XSTST1
0347 053B CE 05 57 LDU #XSTBL
0348 053E 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0349 0540 39 RTS
0350 *
0351 0541 81 04 XSTST1 CMPA #EOT
0352 0543 26 08 BNE XSTST2
0353 0545 86 06 LDA #ACK
0354 0547 17 FD FA LBSR OUTTER
0355 054A 1A 05 ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
0356 054C 39 RTS
0357 *
0358 054D 81 18 XSTST2 CMPA #CAN
0359 054F 26 03 BNE XSTST3
0360 0551 1A 05 ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
0361 0553 39 RTS
0362 *
0363 0554 1C FA XSTST3 ANDCC #$FF-CFLAG-ZFLAG
0364 0556 39 RTS
0365 *
0366 * Got SOH
0367 * Now get block number
0368 *
0369 0557 B1 01 0B XSTBL CMPA BLKNUM
0370 055A 26 06 BNE XSTBLE
0371 055C CE 05 6D LDU #XSTCOM
0372 055F 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0373 0561 39 RTS
0374 *
0375 * Error in block number
0376 *
0377 0562 86 15 XSTBLE LDA #NAK
0378 0564 17 FD DD LBSR OUTTER
0379 0567 CE 05 37 LDU #XSTST
0380 056A 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0381 056C 39 RTS
0382 *
0383 * Get complement of block number
0384 *
0385 056D 43 XSTCOM COMA
0386 056E B1 01 0B CMPA BLKNUM
0387 0571 26 EF BNE XSTBLE
0388 0573 7F 01 0A CLR CHKSUM
0389 0576 86 80 LDA #128
0390 0578 B7 01 0C STA BYTCNT
0391 057B CE 05 81 LDU #XSTDA
0392 057E 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0393 0580 39 RTS
0394 *
0395 * Get data bytes
0396 *
0397 0581 34 02 XSTDA PSHS A
0398 0583 BB 01 0A ADDA CHKSUM
0399 0586 B7 01 0A STA CHKSUM
0400 0589 35 02 PULS A
0401 058B 7A 01 0C DEC BYTCNT
0402 058E 26 03 BNE XSTDA1
0403 0590 CE 05 98 LDU #XSTCK
0404 0593 A7 80 XSTDA1 STA ,X+
0405 0595 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0406 0597 39 RTS
0407 *
0408 * Byte count reached zero
0409 * Check checksum byte
0410 *
0411 0598 B1 01 0A XSTCK CMPA CHKSUM
0412 059B 26 0B BNE XSTCK1 retry if wrong checksum
0413 *
0414 * Checksum OK ...
0415 * increment block number
0416 * Don't send ACK until data written to CF
0417 *
0418 059D 7C 01 0B INC BLKNUM
0419 05A0 CE 05 37 LDU #XSTST
0420 05A3 1C FE ANDCC #$FF-CFLAG No abort
0421 05A5 1A 04 ORCC #ZFLAG Valid data (exit)
0422 05A7 39 RTS
0423 *
0424 * Checksum Error detected ...
0425 * Reset Sector counter in ACCB to last 128 byte boundary
0426 * and send NAK
0427 *
0428 05A8 34 04 XSTCK1 PSHS B
0429 05AA 1F 10 TFR X,D
0430 05AC 5A DECB
0431 05AD C4 80 ANDB #128
0432 05AF 1F 01 TFR D,X
0433 05B1 35 04 PULS B
0434 05B3 86 15 LDA #NAK
0435 05B5 17 FD 8C XSTCK2 LBSR OUTTER
0436 05B8 CE 05 37 LDU #XSTST
0437 05BB 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0438 05BD 39 RTS
0439 *
0440 * Acknowledge Data Received
0441 *
0442 05BE 34 02 XACK PSHS A
0443 05C0 86 06 LDA #ACK
0444 05C2 17 FD 7F LBSR OUTTER
0445 05C5 35 82 PULS A,PC
0446 *
0447 *
0448 ** FLEX 9 COMPACT FLASH DISK DRIVERS
0449 *
0450 * FOR SYS09BUG 1.2 ON THE BURCHED B5-X300
0451 * WITH I/O MAPPED AT $XE000
0452 * AND ROM MAPPED AT $XF000
0453 * THE BURCHED B5-X300 HAS 256KBYTES OF SRAM
0454 * THE FIRST 64K IS USED BY FLEX,
0455 * THE SECOND 192K MAY BE USED AS A RAM DISK
0456 *
0457 *
0458 0010 IMASK EQU $10 IRQ MASK CC
0459 0040 FMASK EQU $40 FIRQ MASK CC
0460 FFF0 DATREG EQU $FFF0 DAT REGISTERS
0461 *
0462 E040 CF_BASE EQU $E040
0463 E040 CF_DATA EQU CF_BASE+0
0464 E041 CF_ERROR EQU CF_BASE+1 ; read error
0465 E041 CF_FEATURE EQU CF_BASE+1 ; write feature
0466 E042 CF_SCNT EQU CF_BASE+2
0467 E043 CF_SNUM EQU CF_BASE+3
0468 E044 CF_CLO EQU CF_BASE+4
0469 E045 CF_CHI EQU CF_BASE+5
0470 E046 CF_HEAD EQU CF_BASE+6
0471 E047 CF_STATUS EQU CF_BASE+7 ; read status
0472 E047 CF_COMAND EQU CF_BASE+7 ; write command
0473 *
0474 * Command Equates
0475 *
0476 0020 CMDREAD EQU $20 ; Read Single sector
0477 0030 CMDWRITE EQU $30 ; Write Single sector
0478 00EF CMDFEATURE EQU $EF
0479 0001 FEAT8BIT EQU $01 ; enable 8 bit transfers
0480 00E0 HEADLBA EQU $E0
0481 *
0482 * Status bit equates
0483 *
0484 0080 BSY EQU $80
0485 0040 DRDY EQU $40
0486 0008 DRQ EQU $08
0487 0001 ERR EQU $01
0488 *
0489 *
0490 * INITIALIZE CF CARD FOR 8 BIT LBA MODE
0491 *
0492 05C7 8D 7A INITDR BSR WAITRDY
0493 05C9 86 E0 LDA #HEADLBA
0494 05CB B7 E0 46 STA CF_HEAD
0495 05CE 86 01 LDA #FEAT8BIT
0496 05D0 B7 E0 41 STA CF_FEATURE
0497 05D3 86 EF LDA #CMDFEATURE
0498 05D5 B7 E0 47 STA CF_COMAND
0499 05D8 20 69 BRA WAITRDY
0500 *
0501 * Seek track and sector
0502 * A holds track number (0 - ??)
0503 * B holds sector number (1 - ??)
0504 * Sector numbers starts from 1
0505 * subtract 1 to start from sector 0 on CF
0506 *
0507 05DA 5A SEEKTS DECB
0508 05DB F7 E0 43 STB CF_SNUM
0509 05DE B7 E0 44 STA CF_CLO
0510 05E1 F6 01 07 LDB DRVNUM
0511 05E4 F7 E0 45 STB CF_CHI
0512 05E7 C6 01 LDB #$01
0513 05E9 F7 E0 42 STB CF_SCNT
0514 05EC 5F CLRB
0515 05ED 39 RTS
0516 *
0517 * READ SECTORS FROM CF
0518 *
0519 *
0520 05EE 8D EA READSC BSR SEEKTS
0521 05F0 86 20 LDA #CMDREAD ; IDE READ MULTIPLE
0522 05F2 B7 E0 47 STA CF_COMAND
0523 05F5 8D 4C BSR WAITRDY
0524 *
0525 * READ LOOP
0526 *
0527 05F7 5F CLRB
0528 05F8 8D 58 RDLP1 BSR WAITDRQ
0529 05FA B6 E0 40 LDA CF_DATA
0530 05FD A7 80 STA ,X+
0531 05FF 5A DECB
0532 0600 26 F6 BNE RDLP1
0533 *
0534 0602 5F CLRB
0535 0603 8D 4D RDLP2 BSR WAITDRQ
0536 0605 B6 E0 40 LDA CF_DATA
0537 0608 5A DECB
0538 0609 26 F8 BNE RDLP2
0539 *
0540 060B 8D 36 BSR WAITRDY
0541 060D 5F CLRB
0542 060E 39 RTS
0543 *
0544 * WRITE SECTOR TO CF
0545 *
0546 060F 8D C9 WRITSC BSR SEEKTS ; SEEK TRACK & SECTOR
0547 0611 86 30 LDA #CMDWRITE ; IDE WRITE MULTIPLE
0548 0613 B7 E0 47 STA CF_COMAND
0549 0616 8D 2B BSR WAITRDY
0550 *
0551 * WRITE LOOP
0552 *
0553 0618 5F CLRB
0554 0619 8D 37 WRTLP1 BSR WAITDRQ
0555 061B A6 80 LDA ,X+
0556 061D B7 E0 40 STA CF_DATA
0557 0620 5A DECB
0558 0621 26 F6 BNE WRTLP1
0559 *
0560 0623 5F CLRB
0561 0624 8D 2C WRTLP2 BSR WAITDRQ
0562 0626 4F CLRA
0563 0627 B7 E0 40 STA CF_DATA
0564 062A 5A DECB
0565 062B 26 F7 BNE WRTLP2
0566 *
0567 062D 8D 14 BSR WAITRDY
0568 062F 5F CLRB
0569 0630 39 RTS
0570 *
0571 * CHECK FOR BUSY
0572 * Doubles as VERIFY
0573 *
0574 0631 5F BUSY CLRB Never busy
0575 0632 39 RTS
0576 *
0577 * DRIVE SELECT DISK DRIVER
0578 *
0579 0633 A6 03 DRVSEL LDA 3,X GET DRIVE # FROM FCB
0580 0635 81 03 CMPA #3
0581 0637 23 01 BLS DRVS2 IF > 3, SET IT TO 0
0582 0639 4F CLRA
0583 063A B7 01 07 DRVS2 STA DRVNUM
0584 063D 5F CLRB ; SET Z, CLEAR C
0585 063E 39 RTS
0586 *
0587 * CHECK DRIVE READY DISK DRIVER
0588 *
0589 063F A6 03 CHKDRV LDA 3,X
0590 0641 5F CLRB ; CLEAR C, SET Z
0591 0642 39 RTS
0592 *
0593 * WAIT UNTIL READY
0594 *
0595 0643 B6 E0 47 WAITRDY LDA CF_STATUS
0596 0646 85 80 BITA #BSY
0597 0648 26 F9 BNE WAITRDY
0598 064A B6 E0 47 LDA CF_STATUS
0599 064D 85 40 BITA #DRDY
0600 064F 27 F2 BEQ WAITRDY
0601 0651 39 RTS
0602 *
0603 * WAIT FOR DATA REQUEST
0604 *
0605 0652 B6 E0 47 WAITDRQ LDA CF_STATUS
0606 0655 85 08 BITA #DRQ
0607 0657 27 F9 BEQ WAITDRQ
0608 0659 39 RTS
0609 *
0610 *******************************************************
0611 *
0612 * Bootstrap FLEX Loader
0613 *
0614 * SBUG1.8 loads the bootstap loader at $C000
0615 * however the Flex adaption manual has the
0616 * bootstrap loader residing at $C100
0617 *
0618 ******************************************************
0619 *
0620 * Equates
0621 *
0622 C0FF STACK EQU $C0FF
0623 C300 SCTBUF EQU $C300
0624 *
0625 * Start of Utility
0626 *
0627 C000 ORG $C000
0628 C000 20 0B BOOT BRA LOAD0
0629 C002 00 00 00 FCB 0,0,0
0630 C005 00 TRK FCB 0 File start track
0631 C006 00 SCT FCB 0 File start sector
0632 C007 00 DNS FCB 0 Density Flag (not used)
0633 C008 C0 00 TADR FDB $C000 Transfer address
0634 C00A 00 00 LADR FDB 0 Load Address
0635 C00C 00 DRNUM FCB 0 Drive number 0
0636 *
0637 C00D 10 CE C0 FF LOAD0 LDS #STACK Set up stack
0638 C011 FC C0 05 LDD TRK Set up start track and sector
0639 C014 FD C3 00 STD SCTBUF
0640 C017 10 8E C4 00 LDY #SCTBUF+256
0641 *
0642 * Perform actual file load
0643 *
0644 C01B 8D 35 LOAD1 BSR GETCH Get acharcater
0645 C01D 81 02 CMPA #$02 Data record hearder ?
0646 C01F 27 10 BEQ LOAD2 Skip, is so
0647 C021 81 16 CMPA #$16 Xfr address hearder ?
0648 C023 26 F6 BNE LOAD1 Loop if neither
0649 *
0650 * Get transfer address
0651 *
0652 C025 8D 2B BSR GETCH
0653 C027 B7 C0 08 STA TADR
0654 C02A 8D 26 BSR GETCH
0655 C02C B7 C0 09 STA TADR+1
0656 C02F 20 EA BRA LOAD1
0657 *
0658 * Load data record
0659 *
0660 C031 8D 1F LOAD2 BSR GETCH Get load address
0661 C033 B7 C0 0A STA LADR
0662 C036 8D 1A BSR GETCH
0663 C038 B7 C0 0B STA LADR+1
0664 C03B 8D 15 BSR GETCH Get Bytes count
0665 C03D 1F 89 TFR A,B
0666 C03F 5D TSTB
0667 C040 27 D9 BEQ LOAD1 Loop if count = 0
0668 C042 BE C0 0A LDX LADR Get load address
0669 C045 34 14 LOAD3 PSHS B,X
0670 C047 8D 09 BSR GETCH Get data character
0671 C049 35 14 PULS B,X
0672 C04B A7 80 STA ,X+ Store at load address
0673 C04D 5A DECB
0674 C04E 26 F5 BNE LOAD3 Loop until count = 0
0675 C050 20 C9 BRA LOAD1
0676 *
0677 * Get Character routine
0678 * Reads a sector if needed
0679 *
0680 C052 10 8C C4 00 GETCH CMPY #SCTBUF+256 out of data ?
0681 C056 26 0F BNE GETCH4 Go read Character if not
0682 C058 8E C3 00 GETCH2 LDX #SCTBUF Point to buffer
0683 C05B EC 84 LDD 0,X Get forward Link
0684 C05D 27 0B BEQ GO if zero, file is loaded
0685 C05F 8D 21 BSR READ Read next sector
0686 C061 26 9D BNE BOOT start over if error
0687 C063 10 8E C3 04 LDY #SCTBUF+4 Point past link
0688 C067 A6 A0 GETCH4 LDA ,Y+ Else, get a character
0689 C069 39 RTS
0690 *
0691 * File is loaded, Jump to it
0692 *
0693 C06A 6E 9F C0 08 GO JMP [TADR] Jump to transfer address
0694
0695 *
0696 ** FLEX 9 COMPACT FLASH DISK DRIVERS
0697 *
0698 * FOR SYS09BUG 1.2 ON THE BURCHED B5-X300
0699 * WITH I/O MAPPED AT $XE000
0700 * AND ROM MAPPED AT $XF000
0701 * THE BURCHED B5-X300 HAS 256KBYTES OF SRAM
0702 * THE FIRST 64K IS USED BY FLEX,
0703 * THE SECOND 192K MAY BE USED AS A RAM DISK
0704 *
0705 *
0706 *IMASK EQU $10 IRQ MASK CC
0707 *FMASK EQU $40 FIRQ MASK CC
0708 *DATREG EQU $FFF0 DAT REGISTERS
0709 *
0710 *CF_BASE EQU $E040
0711 *CF_DATA EQU CF_BASE+0
0712 *CF_ERROR EQU CF_BASE+1 ; read error
0713 *CF_FEATURE EQU CF_BASE+1 ; write feature
0714 *CF_SCNT EQU CF_BASE+2
0715 *CF_SNUM EQU CF_BASE+3
0716 *CF_CLO EQU CF_BASE+4
0717 *CF_CHI EQU CF_BASE+5
0718 *CF_HEAD EQU CF_BASE+6
0719 *CF_STATUS EQU CF_BASE+7 ; read status
0720 *CF_COMAND EQU CF_BASE+7 ; write command
0721 *
0722 * Command Equates
0723 *
0724 *CMDREAD EQU $20 ; Read Single sector
0725 *CMDWRITE EQU $30 ; Write Single sector
0726 *CMDFEATURE EQU $EF
0727 *FEAT8BIT EQU $01 ; enable 8 bit transfers
0728 *HEADLBA EQU $E0
0729 *
0730 * Status bit equates
0731 *
0732 *BSY EQU $80
0733 *DRDY EQU $40
0734 *DRQ EQU $08
0735 *ERR EQU $01
0736 *
0737 * Seek track and sector
0738 * A holds track number (0 - ??)
0739 * B holds sector number (1 - ??)
0740 * Sector numbers starts from 1
0741 * subtract 1 to start from sector 0 on CF
0742 *
0743 C06E 5A SEEK DECB
0744 C06F F7 E0 43 STB CF_SNUM
0745 C072 B7 E0 44 STA CF_CLO
0746 C075 F6 C0 0C LDB DRNUM
0747 C078 F7 E0 45 STB CF_CHI
0748 C07B C6 01 LDB #$01
0749 C07D F7 E0 42 STB CF_SCNT
0750 C080 5F CLRB
0751 C081 39 RTS
0752 *
0753 * READ SECTORS FROM CF
0754 *
0755 *
0756 C082 8D EA READ BSR SEEK
0757 C084 86 20 LDA #CMDREAD ; IDE READ MULTIPLE
0758 C086 B7 E0 47 STA CF_COMAND
0759 C089 8D 18 BSR WTRDY
0760 *
0761 * READ LOOP
0762 *
0763 C08B 5F CLRB
0764 C08C 8D 24 READ1 BSR WTDRQ
0765 C08E B6 E0 40 LDA CF_DATA
0766 C091 A7 80 STA ,X+
0767 C093 5A DECB
0768 C094 26 F6 BNE READ1
0769 *
0770 C096 5F CLRB
0771 C097 8D 19 READ2 BSR WTDRQ
0772 C099 B6 E0 40 LDA CF_DATA
0773 C09C 5A DECB
0774 C09D 26 F8 BNE READ2
0775 *
0776 C09F 8D 02 BSR WTRDY
0777 C0A1 5F CLRB
0778 C0A2 39 RTS
0779 *
0780 * WAIT UNTIL READY
0781 *
0782 C0A3 B6 E0 47 WTRDY LDA CF_STATUS
0783 C0A6 85 80 BITA #BSY
0784 C0A8 26 F9 BNE WTRDY
0785 C0AA B6 E0 47 LDA CF_STATUS
0786 C0AD 85 40 BITA #DRDY
0787 C0AF 27 F2 BEQ WTRDY
0788 C0B1 39 RTS
0789 *
0790 * WAIT FOR DATA REQUEST
0791 *
0792 C0B2 B6 E0 47 WTDRQ LDA CF_STATUS
0793 C0B5 85 08 BITA #DRQ
0794 C0B7 27 F9 BEQ WTDRQ
0795 C0B9 39 RTS
0796 *
0797 END START
Program + Init Data = 1064 bytes
Error count = 0
/upld_ide.lst
0,0 → 1,880
Assembler release DWC_2.0 version 2.11
May 6, 2004 (c) Motorola (free ware)
0001 *
0002 ** FLEX 9 DISK DRIVERS
0003 *
0004 * FOR SYS09BUG ON THE DIGILENT SPARTAN 3 STARTER BOARD
0005 * WITH I/O MAPPED AT $XE000
0006 * AND ROM MAPPED AT $XF000
0007 * THE DIGILENT SPARTAN 3 STARTER BOARD HAS 1MBYTE OF SRAM
0008 * THE FIRST 64K IS USED BY FLEX,
0009 * THE SECOND 128K IS USED AS A ROM DISK
0010 * THE REMAINING RAM IS USED FOR A RAM DISK
0011 *
0012 *
0013 0001 CFLAG EQU $01 CARRY FLAG
0014 0002 VFLAG EQU $02 OVERFLOW FLAG
0015 0004 ZFLAG EQU $04 ZERO FLAG
0016 0008 NFLAG EQU $08 NEGATIVE FLAG
0017 0010 IFLAG EQU $10 IRQ MASK CC
0018 0020 HFLAG EQU $20 HALF CARRY
0019 0040 FFLAG EQU $40 FIRQ MASK CC
0020 0080 EFLAG EQU $80 ENTIRE FLAG
0021 *
0022 0000 MAPPAG EQU $00 PAGE $0000 DAT ADDRESS
0023 *
0024 * Serial Port
0025 *
0026 E000 ACIAS EQU $E000
0027 E000 ACIAC1 EQU ACIAS
0028 E001 ACIAD1 EQU ACIAS+1
0029 04E2 DELCON EQU 1250 Delay (Processor clock in MHz * 50)
0030 *
0031 * XMODEM Control characters
0032 *
0033 0001 SOH EQU $01
0034 0004 EOT EQU $04
0035 0006 ACK EQU $06
0036 0015 NAK EQU $15
0037 0018 CAN EQU $18
0038 *
0039 * Some dummy Constants
0040 *
0041 0040 RMAXTRK EQU 64
0042 00FF RMAXSEC EQU 255
0043 3EC1 RTOTSEC EQU RMAXTRK*RMAXSEC-RMAXSEC
0044 *
0045 * Start
0046 *
0047 0100 ORG $0100
0048 0100 17 03 30 START LBSR UXSUB
0049 0103 6E 9F F8 00 JMP [$F800] Jump to monitor on Completion.
0050 *
0051 *
0052 * RAM SPACE
0053 *
0054 0107 00 DRVNUM FCB 0
0055 0108 00 TRACK FCB 0
0056 0109 00 SECTOR FCB 0
0057 010A 00 CHKSUM FCB 0
0058 010B 00 BLKNUM FCB 0 Xmodem block number
0059 010C 00 BYTCNT FCB 0 Xmodem byte count
0060 010D 00 00 XSTATE FDB 0 Xmodem State Vector
0061 010F 00 00 00 DELCNT FCB $00,$00,$00 Xmodem Poll timer
0062 0112 00 MAXTRK FCB 0
0063 0113 00 MAXSEC FCB 0
0064 0200 ORG $0200
0065 *
0066 * SECTOR BUFFER
0067 *
0068 0200 BUFFER RMB 256
0069 *
0070 *
0071 * recieve char from remote drive.
0072 * timeout if no response for approx 1s.
0073 * Entry: no parameters
0074 * Exit: (A) = recieved char, (C)=1 if valid char, (C)=0 if timeout.
0075 *
0076 0300 34 30 RCHAR PSHS X,Y
0077 *
0078 0302 8E 03 E8 LDX #1000 1000x inner loop
0079 0305 10 8E 04 E2 RCHAR1 LDY #DELCON delay constant for inner loop (approx 1ms).
0080 0309 B6 E0 00 RCHAR2 LDA ACIAC1 test for recieved char
0081 030C 47 ASRA
0082 030D 25 0A BCS RCHAR3 get character
0083 030F 31 3F LEAY -1,Y else, continue to count delay
0084 0311 26 F6 BNE RCHAR2
0085 0313 30 1F LEAX -1,X
0086 0315 26 EE BNE RCHAR1
0087 0317 35 B0 PULS X,Y,PC return with error if timed out
0088 *
0089 0319 B6 E0 01 RCHAR3 LDA ACIAD1 return data (carry bit still set)
0090 031C 35 B0 PULS X,Y,PC
0091 *
0092 *
0093 * transmit char to remote drive.
0094 * timeout if no response for approx 1s. (allows for use of hardware flow control)
0095 * Entry: (A) = char to transmit
0096 * Exit: (A) = recieved char, (C)=1 if valid char, (C)=0 if timeout.
0097 *
0098 031E 34 30 SCHAR PSHS X,Y
0099 0320 34 02 PSHS A
0100 *
0101 0322 8E 03 E8 LDX #1000 1000x inner loop
0102 0325 10 8E 04 E2 SCHAR1 LDY #DELCON delay constant for inner loop (approx 1ms).
0103 0329 B6 E0 00 SCHAR2 LDA ACIAC1 test for space in transmit FIFO
0104 032C 47 ASRA
0105 032D 47 ASRA
0106 032E 25 0C BCS SCHAR3 send character
0107 0330 31 3F LEAY -1,Y else, continue to count delay
0108 0332 26 F5 BNE SCHAR2
0109 0334 30 1F LEAX -1,X
0110 0336 26 ED BNE SCHAR1
0111 0338 35 02 PULS A
0112 033A 35 B0 PULS X,Y,PC return with error if timed out
0113 *
0114 033C 35 02 SCHAR3 PULS A
0115 033E B7 E0 01 STA ACIAD1 send data (carry bit still set)
0116 0341 35 B0 PULS X,Y,PC
0117 *
0118 * Read a byte from the serial port
0119 *
0120 0343 34 04 LRBYTE PSHS B
0121 0345 8D 0E BSR LRHEX Get hex digit.
0122 0347 48 ASLA
0123 0348 48 ASLA Shift to msb.
0124 0349 48 ASLA
0125 034A 48 ASLA
0126 034B 1F 89 TFR A,B Save in B.
0127 034D 8D 06 BSR LRHEX Get next digit.
0128 034F 34 04 PSHS B
0129 0351 AB E0 ADDA 0,S+ Add together bytes.
0130 0353 35 84 PULS B,PC
0131 *
0132 0355 BD 03 7E LRHEX JSR INTER
0133 0358 29 FB BVS LRHEX
0134 035A 80 30 SUBA #$30 Remove ascii bias.
0135 035C 2B F7 BMI LRHEX
0136 035E 81 09 CMPA #$09 Number?
0137 0360 2F 0A BLE LRHEX1 Yes.
0138 0362 81 11 CMPA #$11 Keep testing.
0139 0364 2B EF BMI LRHEX
0140 0366 81 16 CMPA #$16
0141 0368 2E EB BGT LRHEX
0142 036A 80 07 SUBA #$07
0143 036C 39 LRHEX1 RTS
0144 *
0145 * ACIA INPUT TEST
0146 *
0147 036D B6 E0 00 INTEST LDA ACIAC1
0148 0370 85 01 BITA #$01
0149 0372 39 RTS
0150 *
0151 * RESET ACIA
0152 *
0153 0373 86 03 ACIRST LDA #$03 master reset
0154 0375 B7 E0 00 STA ACIAC1
0155 0378 86 11 LDA #$11
0156 037A B7 E0 00 STA ACIAC1
0157 037D 39 RTS
0158 *
0159 * ACIA INPUT
0160 *
0161 037E 86 10 INTER LDA #16
0162 0380 B7 01 0F STA DELCNT+0
0163 0383 7F 01 10 CLR DELCNT+1
0164 0386 7F 01 11 CLR DELCNT+2
0165 0389 B6 E0 00 INTER0 LDA ACIAC1
0166 038C 85 01 BITA #$01
0167 038E 26 08 BNE INTER1
0168 0390 85 78 BITA #$78
0169 0392 27 0A BEQ INTER2
0170 0394 8D DD BSR ACIRST
0171 0396 20 E6 BRA INTER
0172 *
0173 0398 B6 E0 01 INTER1 LDA ACIAD1
0174 039B 1C FD ANDCC #$FF-VFLAG
0175 039D 39 RTS
0176 *
0177 039E 7A 01 11 INTER2 DEC DELCNT+2
0178 03A1 26 E6 BNE INTER0
0179 03A3 7A 01 10 DEC DELCNT+1
0180 03A6 26 E1 BNE INTER0
0181 03A8 7A 01 0F DEC DELCNT+0
0182 03AB 26 DC BNE INTER0
0183 03AD 4F CLRA
0184 03AE 1A 02 ORCC #VFLAG
0185 03B0 39 RTS
0186 *
0187 * ACIA OUTPUT
0188 *
0189 03B1 34 02 OUTTER PSHS A
0190 *
0191 03B3 B6 E0 00 OUTTE1 LDA ACIAC1
0192 03B6 85 02 BITA #$02
0193 03B8 26 08 BNE OUTTE2
0194 03BA 85 78 BITA #$78
0195 03BC 27 F5 BEQ OUTTE1
0196 03BE 8D B3 BSR ACIRST
0197 03C0 20 F1 BRA OUTTE1
0198 *
0199 03C2 35 02 OUTTE2 PULS A
0200 03C4 B7 E0 01 STA ACIAD1
0201 03C7 39 RTS
0202 *
0203 * Print Data
0204 *
0205 03C8 8D E7 PDATA0 BSR OUTTER
0206 03CA A6 80 PDATA1 LDA ,X+
0207 03CC 81 04 CMPA #$04
0208 03CE 26 F8 BNE PDATA0
0209 03D0 39 RTS
0210 *
0211 *
0212 ** 'UX' Xmodem ROM Disk upload
0213 *
0214 03D1 0D 0A UXMES0 FCB $0D,$0A
0215 03D3 58 6D 6F 64 65 6D FCC 'Xmodem ROM Disk Upload'
20 52 4F 4D 20 44
69 73 6B 20 55 70
6C 6F 61 64
0216 03E9 04 FCB 4
0217 03EA 0D 0A UXMES1 FCB $0D,$0A
0218 03EC 55 70 6C 6F 61 64 FCC 'Upload Complete'
20 43 6F 6D 70 6C
65 74 65
0219 03FB 04 FCB 4
0220 03FC 0D 0A UXMES2 FCB $0D,$0A
0221 03FE 55 70 6C 6F 61 64 FCC 'Upload Error'
20 45 72 72 6F 72
0222 040A 04 FCB 4
0223 040B 0D 0A UXMSG3 FCB $0D,$0A
0224 040D 44 72 69 76 65 20 FCC 'Drive Number :'
4E 75 6D 62 65 72
20 3A
0225 041B 04 FCB 4
0226 041C 0D 0A UXMSG4 FCB $0D,$0A
0227 041E 41 72 65 20 59 6F FCC 'Are You Sure ? (Y/N)'
75 20 53 75 72 65
20 3F 20 28 59 2F
4E 29
0228 0432 04 FCB 4
0229 *
0230 * Print Banner
0231 *
0232 0433 8E 03 D1 UXSUB LDX #UXMES0
0233 0436 17 FF 91 LBSR PDATA1
0234 *
0235 * Prompt for Disk drive number (0 to 3)
0236 *
0237 0439 8E 04 0B LDX #UXMSG3
0238 043C 17 FF 8B LBSR PDATA1
0239 043F 17 FF 3C UXSUB1 LBSR INTER
0240 0442 29 FB BVS UXSUB1
0241 0444 17 FF 6A LBSR OUTTER
0242 0447 81 30 CMPA #'0
0243 0449 10 25 01 2E LBLO UXEXIT
0244 044D 81 33 CMPA #'3
0245 044F 10 22 01 28 LBHI UXEXIT
0246 0453 80 30 SUBA #'0
0247 0455 B7 01 07 STA DRVNUM
0248 *
0249 * Report selected drive
0250 *
0251 0458 8E 04 0B LDX #UXMSG3
0252 045B 17 FF 6C LBSR PDATA1
0253 045E B6 01 07 LDA DRVNUM
0254 0461 8B 30 ADDA #'0
0255 0463 17 FF 4B LBSR OUTTER
0256 *
0257 * Ask for confirmation (Y/N)
0258 *
0259 0466 8E 04 1C LDX #UXMSG4
0260 0469 17 FF 5E LBSR PDATA1
0261 046C 17 FF 0F UXSUB2 LBSR INTER
0262 046F 29 FB BVS UXSUB2
0263 0471 17 FF 3D LBSR OUTTER
0264 0474 84 5F ANDA #$5F
0265 0476 81 4E CMPA #'N
0266 0478 10 27 00 FF LBEQ UXEXIT
0267 047C 81 59 CMPA #'Y
0268 047E 26 B3 BNE UXSUB
0269 *
0270 * We have confirmation ... now load the disk image
0271 *
0272 0480 17 01 B1 LBSR INITDR
0273 0483 CE 05 A4 LDU #XSTST
0274 0486 FF 01 0D STU XSTATE
0275 0489 86 01 LDA #1
0276 048B B7 01 0B STA BLKNUM
0277 *
0278 * Sector1
0279 *
0280 048E 8E 02 00 LDX #BUFFER
0281 *
0282 0491 4F CLRA TRACK 0
0283 0492 C6 01 LDB #$01 SECTOR 1
0284 0494 B7 01 08 STA TRACK
0285 0497 F7 01 09 STB SECTOR
0286 *
0287 049A 17 00 EA LBSR XREAD
0288 049D 10 25 00 E0 LBCS UXERR
0289 04A1 17 01 87 LBSR XACK
0290 04A4 17 00 E0 LBSR XREAD
0291 04A7 10 25 00 D6 LBCS UXERR
0292 *
0293 04AB 8E 02 00 LDX #BUFFER
0294 04AE B6 01 08 LDA TRACK
0295 04B1 F6 01 09 LDB SECTOR
0296 04B4 17 01 D1 LBSR WRITSC
0297 04B7 17 01 71 LBSR XACK
0298 *
0299 * Sector 2
0300 *
0301 04BA 8E 02 00 LDX #BUFFER
0302 *
0303 04BD B6 01 08 LDA TRACK
0304 04C0 F6 01 09 LDB SECTOR
0305 04C3 5C INCB
0306 04C4 B7 01 08 STA TRACK
0307 04C7 F7 01 09 STB SECTOR
0308 *
0309 04CA 17 00 BA LBSR XREAD
0310 04CD 10 25 00 B0 LBCS UXERR
0311 04D1 17 01 57 LBSR XACK
0312 04D4 17 00 B0 LBSR XREAD
0313 04D7 10 25 00 A6 LBCS UXERR
0314 *
0315 04DB 8E 02 00 LDX #BUFFER
0316 04DE B6 01 08 LDA TRACK
0317 04E1 F6 01 09 LDB SECTOR
0318 04E4 17 01 A1 LBSR WRITSC
0319 *
0320 04E7 17 01 41 LBSR XACK
0321 *
0322 * Sector 3 - SIR
0323 *
0324 04EA 8E 02 00 LDX #BUFFER
0325 *
0326 04ED B6 01 08 LDA TRACK
0327 04F0 F6 01 09 LDB SECTOR
0328 04F3 5C INCB
0329 04F4 B7 01 08 STA TRACK
0330 04F7 F7 01 09 STB SECTOR
0331 *
0332 04FA 17 00 8A LBSR XREAD
0333 04FD 10 25 00 80 LBCS UXERR
0334 0501 17 01 27 LBSR XACK
0335 0504 17 00 80 LBSR XREAD
0336 0507 10 25 00 76 LBCS UXERR
0337 *
0338 050B 8E 02 00 LDX #BUFFER
0339 050E A6 88 26 LDA 38,X
0340 0511 4C INCA
0341 0512 B7 01 12 STA MAXTRK
0342 0515 E6 88 27 LDB 39,X
0343 0518 5C INCB
0344 0519 F7 01 13 STB MAXSEC
0345 051C B6 01 08 LDA TRACK
0346 051F F6 01 09 LDB SECTOR
0347 0522 17 01 63 LBSR WRITSC
0348 *
0349 0525 17 01 03 LBSR XACK
0350 *
0351 * Sector 4 to Last Track & Sector
0352 *
0353 *
0354 0528 B6 01 08 LDA TRACK
0355 052B F6 01 09 LDB SECTOR
0356 052E 5C INCB
0357 *
0358 052F 8E 02 00 UXLOOP LDX #BUFFER
0359 0532 B7 01 08 STA TRACK
0360 0535 F7 01 09 STB SECTOR
0361 *
0362 0538 17 00 4C LBSR XREAD
0363 053B 10 25 00 42 LBCS UXERR
0364 053F 17 00 E9 LBSR XACK
0365 0542 17 00 42 LBSR XREAD
0366 0545 10 25 00 38 LBCS UXERR
0367 *
0368 0549 8E 02 00 LDX #BUFFER
0369 054C B6 01 08 LDA TRACK
0370 054F F6 01 09 LDB SECTOR
0371 0552 17 01 33 LBSR WRITSC
0372 0555 17 00 D3 LBSR XACK
0373 *
0374 0558 B6 01 08 LDA TRACK
0375 055B F6 01 09 LDB SECTOR
0376 055E 5C INCB
0377 055F F1 01 13 CMPB MAXSEC
0378 0562 26 CB BNE UXLOOP
0379 0564 C6 01 LDB #1
0380 0566 4C INCA
0381 0567 B1 01 12 CMPA MAXTRK
0382 056A 26 C3 BNE UXLOOP
0383 *
0384 *
0385 * Write Boot sector
0386 *
0387 056C 8E C0 00 LDX #$C000
0388 056F 4F CLRA TRACK 0
0389 0570 C6 01 LDB #$01 SECTOR 1
0390 0572 B7 01 08 STA TRACK
0391 0575 F7 01 09 STB SECTOR
0392 0578 17 01 0D LBSR WRITSC
0393 *
0394 057B 8E 03 EA UXEXIT LDX #UXMES1
0395 057E 7E 03 CA JMP PDATA1
0396 *
0397 0581 8E 03 FC UXERR LDX #UXMES2
0398 0584 16 FE 43 LBRA PDATA1
0399 *
0400 * Get a Byte using XModem protocol
0401 * Carry clear => no errors
0402 * Carry set => errors
0403 *
0404 0587 34 40 XREAD PSHS U
0405 0589 FE 01 0D LDU XSTATE
0406 *
0407 058C 17 FD EF XBYTE0 LBSR INTER
0408 058F 28 0A BVC XBYTE1
0409 0591 86 15 LDA #NAK
0410 0593 17 FE 1B LBSR OUTTER
0411 0596 CE 05 A4 LDU #XSTST
0412 0599 20 F1 BRA XBYTE0
0413 *
0414 059B AD C4 XBYTE1 JSR ,U
0415 059D 26 ED BNE XBYTE0
0416 059F FF 01 0D STU XSTATE
0417 05A2 35 C0 PULS U,PC
0418 *
0419 * START - LOOK FOR SOH (START OF HEADER) = $01
0420 *
0421 05A4 81 01 XSTST CMPA #SOH
0422 05A6 26 06 BNE XSTST1
0423 05A8 CE 05 C4 LDU #XSTBL
0424 05AB 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0425 05AD 39 RTS
0426 *
0427 05AE 81 04 XSTST1 CMPA #EOT
0428 05B0 26 08 BNE XSTST2
0429 05B2 86 06 LDA #ACK
0430 05B4 17 FD FA LBSR OUTTER
0431 05B7 1A 05 ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
0432 05B9 39 RTS
0433 *
0434 05BA 81 18 XSTST2 CMPA #CAN
0435 05BC 26 03 BNE XSTST3
0436 05BE 1A 05 ORCC #CFLAG+ZFLAG Set (c)=1 abort & exit
0437 05C0 39 RTS
0438 *
0439 05C1 1C FA XSTST3 ANDCC #$FF-CFLAG-ZFLAG
0440 05C3 39 RTS
0441 *
0442 * Got SOH
0443 * Now get block number
0444 *
0445 05C4 B1 01 0B XSTBL CMPA BLKNUM
0446 05C7 26 06 BNE XSTBLE
0447 05C9 CE 05 DA LDU #XSTCOM
0448 05CC 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0449 05CE 39 RTS
0450 *
0451 * Error in block number
0452 *
0453 05CF 86 15 XSTBLE LDA #NAK
0454 05D1 17 FD DD LBSR OUTTER
0455 05D4 CE 05 A4 LDU #XSTST
0456 05D7 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0457 05D9 39 RTS
0458 *
0459 * Get complement of block number
0460 *
0461 05DA 43 XSTCOM COMA
0462 05DB B1 01 0B CMPA BLKNUM
0463 05DE 26 EF BNE XSTBLE
0464 05E0 7F 01 0A CLR CHKSUM
0465 05E3 86 80 LDA #128
0466 05E5 B7 01 0C STA BYTCNT
0467 05E8 CE 05 EE LDU #XSTDA
0468 05EB 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, No valid data (no exit)
0469 05ED 39 RTS
0470 *
0471 * Get data bytes
0472 *
0473 05EE 34 02 XSTDA PSHS A
0474 05F0 BB 01 0A ADDA CHKSUM
0475 05F3 B7 01 0A STA CHKSUM
0476 05F6 35 02 PULS A
0477 05F8 7A 01 0C DEC BYTCNT
0478 05FB 26 03 BNE XSTDA1
0479 05FD CE 06 05 LDU #XSTCK
0480 0600 A7 80 XSTDA1 STA ,X+
0481 0602 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0482 0604 39 RTS
0483 *
0484 * Byte count reached zero
0485 * Check checksum byte
0486 *
0487 0605 B1 01 0A XSTCK CMPA CHKSUM
0488 0608 26 0B BNE XSTCK1 retry if wrong checksum
0489 *
0490 * Checksum OK ...
0491 * increment block number
0492 * Don't send ACK until data written to CF
0493 *
0494 060A 7C 01 0B INC BLKNUM
0495 060D CE 05 A4 LDU #XSTST
0496 0610 1C FE ANDCC #$FF-CFLAG No abort
0497 0612 1A 04 ORCC #ZFLAG Valid data (exit)
0498 0614 39 RTS
0499 *
0500 * Checksum Error detected ...
0501 * Reset Sector counter in ACCB to last 128 byte boundary
0502 * and send NAK
0503 *
0504 0615 34 04 XSTCK1 PSHS B
0505 0617 1F 10 TFR X,D
0506 0619 5A DECB
0507 061A C4 80 ANDB #128
0508 061C 1F 01 TFR D,X
0509 061E 35 04 PULS B
0510 0620 86 15 LDA #NAK
0511 0622 17 FD 8C XSTCK2 LBSR OUTTER
0512 0625 CE 05 A4 LDU #XSTST
0513 0628 1C FA ANDCC #$FF-CFLAG-ZFLAG No abort, no valid data (no exit)
0514 062A 39 RTS
0515 *
0516 * Acknowledge Data Received
0517 *
0518 062B 34 02 XACK PSHS A
0519 062D 86 06 LDA #ACK
0520 062F 17 FD 7F LBSR OUTTER
0521 0632 35 82 PULS A,PC
0522 *
0523 *
0524 ** FLEX 9 IDE DISK DRIVERS
0525 *
0526 * FOR SYS09BUG 1.2 ON THE XSA-3S1000
0527 * WITH I/O MAPPED AT $XE000
0528 * AND ROM MAPPED AT $XF000
0529 *
0530 *
0531 0010 IMASK EQU $10 IRQ MASK CC
0532 0040 FMASK EQU $40 FIRQ MASK CC
0533 *
0534 E100 CF_BASE EQU $E100
0535 E100 CF_DATA EQU CF_BASE+0
0536 E102 CF_ERROR EQU CF_BASE+2 ; read error
0537 E102 CF_FEATURE EQU CF_BASE+2 ; write feature
0538 E104 CF_SCNT EQU CF_BASE+4
0539 E106 CF_SNUM EQU CF_BASE+6
0540 E108 CF_CLO EQU CF_BASE+8
0541 E10A CF_CHI EQU CF_BASE+10
0542 E10C CF_HEAD EQU CF_BASE+12
0543 E10E CF_STATUS EQU CF_BASE+14 ; read status
0544 E10E CF_COMAND EQU CF_BASE+14 ; write command
0545 E11E CF_AUX EQU CF_BASE+30
0546 *
0547 * Command Equates
0548 *
0549 0020 CMDREAD EQU $20 ; Read Single sector
0550 0030 CMDWRITE EQU $30 ; Write Single sector
0551 0006 AUXRESET EQU $06
0552 0002 AUXRSTREL EQU $02
0553 00E0 HEADLBA EQU $E0
0554 *
0555 * Status bit equates
0556 *
0557 0080 BSY EQU $80
0558 0040 DRDY EQU $40
0559 0008 DRQ EQU $08
0560 0001 ERR EQU $01
0561 *
0562 *
0563 * INITIALIZE CF CARD FOR 8 BIT LBA MODE
0564 *
0565 0634 CC 00 06 INITDR LDD #AUXRESET
0566 0637 FD E1 1E STD CF_AUX
0567 063A CC 00 02 LDD #AUXRSTREL
0568 063D FD E1 1E STD CF_AUX
0569 0640 CC 00 E0 LDD #HEADLBA
0570 0643 FD E1 0C STD CF_HEAD
0571 0646 20 74 BRA WAITRDY
0572 *
0573 * RESTORE DISK DRIVER (SEEK TRACK 00)
0574 *
0575 0648 8D 62 RESTR1 BSR DRVSEL
0576 064A 4F CLRA ; Track 0
0577 064B C6 01 LDB #$01 ; Sector 1
0578 *
0579 * Seek track and sector
0580 * A holds track number (0 - ??)
0581 * B holds sector number (1 - ??)
0582 * Sector numbers starts from 1
0583 * subtract 1 to start from sector 0 on CF
0584 *
0585 064D 34 02 SEEKTS PSHS A
0586 064F 4F CLRA
0587 0650 5A DECB
0588 0651 FD E1 06 STD CF_SNUM
0589 0654 E6 E4 LDB ,S
0590 0656 FD E1 08 STD CF_CLO
0591 0659 F6 01 07 LDB DRVNUM
0592 065C FD E1 0A STD CF_CHI
0593 065F C6 01 LDB #$01
0594 0661 FD E1 04 STD CF_SCNT
0595 0664 5F CLRB
0596 0665 35 82 PULS A,PC
0597 *
0598 * READ SECTORS FROM CF
0599 *
0600 *
0601 0667 8D E4 READSC BSR SEEKTS
0602 0669 CC 00 20 LDD #CMDREAD ; IDE READ MULTIPLE
0603 066C FD E1 0E STD CF_COMAND
0604 066F 8D 4B BSR WAITRDY
0605 *
0606 * READ LOOP
0607 *
0608 0671 34 20 PSHS Y
0609 0673 10 8E 01 00 LDY #256
0610 0677 8D 52 RDLP1 BSR WAITDRQ
0611 0679 FC E1 00 LDD CF_DATA
0612 067C E7 80 STB ,X+
0613 067E 31 3F LEAY -1,Y
0614 0680 26 F5 BNE RDLP1
0615 0682 35 20 PULS Y
0616 *
0617 0684 8D 36 BSR WAITRDY
0618 0686 5F CLRB
0619 0687 39 RTS
0620 *
0621 * WRITE SECTOR TO CF
0622 *
0623 0688 8D C3 WRITSC BSR SEEKTS ; SEEK TRACK & SECTOR
0624 068A CC 00 30 LDD #CMDWRITE ; IDE WRITE MULTIPLE
0625 068D FD E1 0E STD CF_COMAND
0626 0690 8D 2A BSR WAITRDY
0627 *
0628 * WRITE LOOP
0629 *
0630 0692 34 20 PSHS Y
0631 0694 10 8E 01 00 LDY #256
0632 0698 4F CLRA
0633 0699 8D 30 WRTLP1 BSR WAITDRQ
0634 069B E6 80 LDB ,X+
0635 069D FD E1 00 STD CF_DATA
0636 06A0 31 3F LEAY -1,Y
0637 06A2 26 F5 BNE WRTLP1
0638 06A4 35 20 PULS Y
0639 *
0640 06A6 8D 14 BSR WAITRDY
0641 06A8 5F CLRB
0642 06A9 39 RTS
0643 *
0644 * CHECK FOR BUSY
0645 * Doubles as VERIFY
0646 *
0647 06AA 5F BUSY CLRB Never busy
0648 06AB 39 RTS
0649 *
0650 * DRIVE SELECT DISK DRIVER
0651 *
0652 06AC A6 03 DRVSEL LDA 3,X GET DRIVE # FROM FCB
0653 06AE 81 03 CMPA #3
0654 06B0 23 01 BLS DRVS2 IF > 3, SET IT TO 0
0655 06B2 4F CLRA
0656 06B3 B7 01 07 DRVS2 STA DRVNUM
0657 06B6 5F CLRB ; SET Z, CLEAR C
0658 06B7 39 RTS
0659 *
0660 * CHECK DRIVE READY DISK DRIVER
0661 *
0662 06B8 A6 03 CHKDRV LDA 3,X
0663 06BA 5F CLRB ; CLEAR C, SET Z
0664 06BB 39 RTS
0665 *
0666 * WAIT UNTIL READY
0667 *
0668 06BC FC E1 0E WAITRDY LDD CF_STATUS
0669 06BF C5 80 BITB #BSY
0670 06C1 26 F9 BNE WAITRDY
0671 06C3 FC E1 0E LDD CF_STATUS
0672 06C6 C5 40 BITB #DRDY
0673 06C8 27 F2 BEQ WAITRDY
0674 06CA 39 RTS
0675 *
0676 * WAIT FOR DATA REQUEST
0677 *
0678 06CB FC E1 0E WAITDRQ LDD CF_STATUS
0679 06CE C5 08 BITB #DRQ
0680 06D0 27 F9 BEQ WAITDRQ
0681 06D2 39 RTS
0682 *
0683 *******************************************************
0684 *
0685 * Bootstrap FLEX Loader
0686 *
0687 * SBUG1.8 loads the bootstap loader at $C000
0688 * however the Flex adaption manual has the
0689 * bootstrap loader residing at $C100
0690 *
0691 ******************************************************
0692 *
0693 * Equates
0694 *
0695 C0FF STACK EQU $C0FF
0696 C300 SCTBUF EQU $C300
0697 *
0698 * Start of Utility
0699 *
0700 C000 ORG $C000
0701 C000 20 0B BOOT BRA LOAD0
0702 C002 00 00 00 FCB 0,0,0
0703 C005 00 TRK FCB 0 File start track
0704 C006 00 SCT FCB 0 File start sector
0705 C007 00 DNS FCB 0 Density Flag (not used)
0706 C008 C0 00 TADR FDB $C000 Transfer address
0707 C00A 00 00 LADR FDB 0 Load Address
0708 C00C 00 DRNUM FCB 0 Drive number 0
0709 *
0710 C00D 10 CE C0 FF LOAD0 LDS #STACK Set up stack
0711 C011 FC C0 05 LDD TRK Set up start track and sector
0712 C014 FD C3 00 STD SCTBUF
0713 C017 10 8E C4 00 LDY #SCTBUF+256
0714 *
0715 * Perform actual file load
0716 *
0717 C01B 8D 35 LOAD1 BSR GETCH Get acharcater
0718 C01D 81 02 CMPA #$02 Data record hearder ?
0719 C01F 27 10 BEQ LOAD2 Skip, is so
0720 C021 81 16 CMPA #$16 Xfr address hearder ?
0721 C023 26 F6 BNE LOAD1 Loop if neither
0722 *
0723 * Get transfer address
0724 *
0725 C025 8D 2B BSR GETCH
0726 C027 B7 C0 08 STA TADR
0727 C02A 8D 26 BSR GETCH
0728 C02C B7 C0 09 STA TADR+1
0729 C02F 20 EA BRA LOAD1
0730 *
0731 * Load data record
0732 *
0733 C031 8D 1F LOAD2 BSR GETCH Get load address
0734 C033 B7 C0 0A STA LADR
0735 C036 8D 1A BSR GETCH
0736 C038 B7 C0 0B STA LADR+1
0737 C03B 8D 15 BSR GETCH Get Bytes count
0738 C03D 1F 89 TFR A,B
0739 C03F 5D TSTB
0740 C040 27 D9 BEQ LOAD1 Loop if count = 0
0741 C042 BE C0 0A LDX LADR Get load address
0742 C045 34 14 LOAD3 PSHS B,X
0743 C047 8D 09 BSR GETCH Get data character
0744 C049 35 14 PULS B,X
0745 C04B A7 80 STA ,X+ Store at load address
0746 C04D 5A DECB
0747 C04E 26 F5 BNE LOAD3 Loop until count = 0
0748 C050 20 C9 BRA LOAD1
0749 *
0750 * Get Character routine
0751 * Reads a sector if needed
0752 *
0753 C052 10 8C C4 00 GETCH CMPY #SCTBUF+256 out of data ?
0754 C056 26 0F BNE GETCH4 Go read Character if not
0755 C058 8E C3 00 GETCH2 LDX #SCTBUF Point to buffer
0756 C05B EC 84 LDD 0,X Get forward Link
0757 C05D 27 0B BEQ GO if zero, file is loaded
0758 C05F 8D 27 BSR READ Read next sector
0759 C061 26 9D BNE BOOT start over if error
0760 C063 10 8E C3 04 LDY #SCTBUF+4 Point past link
0761 C067 A6 A0 GETCH4 LDA ,Y+ Else, get a character
0762 C069 39 RTS
0763 *
0764 * File is loaded, Jump to it
0765 *
0766 C06A 6E 9F C0 08 GO JMP [TADR] Jump to transfer address
0767
0768 *
0769 ** FLEX 9 IDE DISK DRIVERS
0770 *
0771 * FOR SYS09BUG 1.2 ON THE XSA-3S1000
0772 * WITH I/O MAPPED AT $XE000
0773 * AND ROM MAPPED AT $XF000
0774 *
0775 *IMASK EQU $10 IRQ MASK CC
0776 *FMASK EQU $40 FIRQ MASK CC
0777 *
0778 *CF_BASE EQU $E100
0779 *CF_DATA EQU CF_BASE+0
0780 *CF_ERROR EQU CF_BASE+2 ; read error
0781 *CF_FEATURE EQU CF_BASE+2 ; write feature
0782 *CF_SCNT EQU CF_BASE+4
0783 *CF_SNUM EQU CF_BASE+6
0784 *CF_CLO EQU CF_BASE+8
0785 *CF_CHI EQU CF_BASE+10
0786 *CF_HEAD EQU CF_BASE+12
0787 *CF_STATUS EQU CF_BASE+14 ; read status
0788 *CF_COMAND EQU CF_BASE+14 ; write command
0789 *CF_AUX EQU CF_BASE+30
0790 *
0791 * Command Equates
0792 *
0793 *CMDREAD EQU $20 ; Read Single sector
0794 *CMDWRITE EQU $30 ; Write Single sector
0795 *HEADLBA EQU $E0
0796 *AUXRESET EQU $06
0797 *AUXRSTREL EQU $02
0798 *
0799 * Status bit equates
0800 *
0801 *BSY EQU $80
0802 *DRDY EQU $40
0803 *DRQ EQU $08
0804 *ERR EQU $01
0805 *
0806 * Seek track and sector
0807 * A holds track number (0 - ??)
0808 * B holds sector number (1 - ??)
0809 * Sector numbers starts from 1
0810 * subtract 1 to start from sector 0 on CF
0811 *
0812 C06E 34 02 SEEK PSHS A
0813 C070 4F CLRA
0814 C071 5A DECB
0815 C072 FD E1 06 STD CF_SNUM
0816 C075 E6 E4 LDB ,S
0817 C077 FD E1 08 STD CF_CLO
0818 C07A F6 C0 0C LDB DRNUM
0819 C07D FD E1 0A STD CF_CHI
0820 C080 C6 01 LDB #$01
0821 C082 FD E1 04 STD CF_SCNT
0822 C085 5F CLRB
0823 C086 35 82 PULS A,PC
0824 *
0825 * READ SECTORS FROM CF
0826 *
0827 *
0828 C088 8D E4 READ BSR SEEK
0829 C08A CC 00 20 LDD #CMDREAD ; IDE READ MULTIPLE
0830 C08D FD E1 0E STD CF_COMAND
0831 C090 8D 17 BSR WTRDY
0832 *
0833 * READ LOOP
0834 *
0835 C092 34 20 PSHS Y
0836 C094 10 8E 01 00 LDY #256
0837 C098 8D 1E READ1 BSR WTDRQ
0838 C09A FC E1 00 LDD CF_DATA
0839 C09D E7 80 STB ,X+
0840 C09F 31 3F LEAY -1,Y
0841 C0A1 26 F5 BNE READ1
0842 C0A3 35 20 PULS Y
0843 *
0844 C0A5 8D 02 BSR WTRDY
0845 C0A7 5F CLRB
0846 C0A8 39 RTS
0847 *
0848 * WAIT UNTIL READY
0849 *
0850 C0A9 FC E1 0E WTRDY LDD CF_STATUS
0851 C0AC C5 80 BITB #BSY
0852 C0AE 26 F9 BNE WTRDY
0853 C0B0 FC E1 0E LDD CF_STATUS
0854 C0B3 C5 40 BITB #DRDY
0855 C0B5 27 F2 BEQ WTRDY
0856 C0B7 39 RTS
0857 *
0858 * WAIT FOR DATA REQUEST
0859 *
0860 C0B8 FC E1 0E WTDRQ LDD CF_STATUS
0861 C0BB C5 08 BITB #DRQ
0862 C0BD 27 F9 BEQ WTDRQ
0863 C0BF 39 RTS
0864 *
0865 END START
Program + Init Data = 1191 bytes
Error count = 0
/upld_cf8.sh
0,0 → 1,880
../../Tools/as09/as09.exe cf8load.txt -l > cf8load.lst

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