mirror of
https://github.com/antoinevignau/source.git
synced 2025-02-02 09:32:53 +00:00
120 lines
2.9 KiB
ArmAsm
120 lines
2.9 KiB
ArmAsm
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* AppleSqueezer - Equates
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*
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* (c) 2023, Niek Van Suchtelen
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* (c) 2023, Brutal Deluxe Software
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*
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*-----------------------------------
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* APPLESQUEEZER EQUATES
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*-----------------------------------
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* data
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* bit 0: 1 if Acceralation is enabled
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* bit 1: 1 if Built-RAM is enabled
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* bit 2: 1 if Extra RAM is enabled
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* bit 3-7: values unknown
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FL_WRITE = $e20000
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FL_READ_REQUEST = $e20002
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FL_READ = $e20004
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FL_CS = $e20006
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FL_READY = $e20008
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FL_IDLE = $e2000a
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FL_VERSION = $e2000c
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CMD_WRITE_ENABLE = $06
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CMD_WRITE_DISABLE = $04
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CMD_PAGE_PROGRAM = $02
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CMD_SECTOR_ERASE = $d8
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CMD_BULK_ERASE = $c7
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CMD_READ_DATA_BYTES = $03
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CMD_READ_STATUS_REGISTER = $05
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exdram_address_set_main_bank = $e30000 ; 00..0E
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exdram_address_set_addr_low = $e30002 ; 00/00xx
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exdram_address_set_addr_high = $e30004 ; 00/xx00
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exdram_address_set_addr_bank = $e30006 ; xx/0000
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exdram_address_access = $e30008 ; R/W auto-increment to end of main bank
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SD_ADDRESS_SET_MSB = $e40000
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SD_ADDRESS_SET_MSB_1 = $e40002
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SD_ADDRESS_SET_MSB_2 = $e40004
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SD_ADDRESS_SET_MSB_3 = $e40006
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SD_START_READ = $e40008 ; starts reading the sector (if it was idle)
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SD_ACCESS = $e4000a
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SD_START_WRITE = $e4000c ; starts writing the sector (if it was idle)
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STA_NOINIT = 1 ; Drive not initialized
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STA_NODISK = 2 ; No medium in the drive
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TRUE = 1
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FALSE = 0
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minVERSION = 7 ; minimum core version to handle the driver
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*--- Speed settings
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* From 233 (3 MHz) to 255 (full speed)
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* Setting is not preserved
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AS_SPEED = $e50000 ; just write a speed byte
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*-----------------------------------
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* GS/OS EQUATES
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*-----------------------------------
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GSOS2 = $E100B0
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MOVE_INFO = $01FC70
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SET_DISKSW = $01FC90
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uncertainBlockCountBit = $8000
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diskSwitchedBit = $0001
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diskInDriveBit = $0010
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diskModifyBit = $0100
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dftHDD = $0013 ; device ID for HDD (generic)
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dchar = $08
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dblockcount = $0a
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ddeviceid = $34
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ddevnumber = $3e
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*-----------------------------------
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* AS DRIVER EQUATES
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*-----------------------------------
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maxIMAGES = 1 ; no more than N images
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blockSIZE = 512 ; ProDOS 8 block size
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maxBLOCKS = $ffffffff ; that is a huge number of blocks
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* 0 0000 => 0 0000
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* B 1011 => B 1011 restartable + not speed dependent
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* A 1010 => E 1110 block device | write allowed | read allowed
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* 0 0000 => 8 1000 format allowed
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dftCHAR = $0BA8 ; default characteristics 0BA8
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dftVERSION = $1000 ; v1
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*-----------------------------------
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* GS/OS DIRECT PAGE
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*-----------------------------------
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deviceNum = $00
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callNum = $02
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bufferPtr = $04
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statusListPtr = $04
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controlListPtr = $04
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requestCount = $08
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transferCount = $0C
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blockNum = $10
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blockSize = $14
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FSTNum = $16 ; *
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statusCode = $16 ; *
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controlCode = $16 ; *
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volumeID = $18
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cachePriority = $1A
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cachePointer = $1C
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dibPointer = $20
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