antoine-source/applesqueezer/ramdisk/AS.EQUATES.S

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2023-06-19 13:45:09 +00:00
*
* MountIt: equates
*
* (c) 2009, Brutal Deluxe Software
*
*-----------------------------------
* APPLESQUEEZER EQUATES
*-----------------------------------
* data
* bit 0: 1 if Acceralation is enabled
* bit 1: 1 if Built-RAM is enabled
* bit 2: 1 if Extra RAM is enabled
* bit 3-7: values unknown
FL_WRITE = $e20000
FL_READ_REQUEST = $e20002
FL_READ = $e20004
FL_CS = $e20006
FL_READY = $e20008
FL_IDLE = $e2000a
FL_VERSION = $e2000c
CMD_WRITE_ENABLE = $06
CMD_WRITE_DISABLE = $04
CMD_PAGE_PROGRAM = $02
CMD_SECTOR_ERASE = $d8
CMD_BULK_ERASE = $c7
CMD_READ_DATA_BYTES = $03
CMD_READ_STATUS_REGISTER = $05
exdram_address_set_main_bank = $e30000 ; 00..0E
exdram_address_set_addr_low = $e30002 ; 00/00xx
exdram_address_set_addr_high = $e30004 ; 00/xx00
exdram_address_set_addr_bank = $e30006 ; xx/0000
exdram_address_access = $e30008 ; R/W auto-increment to end of main bank
TRUE = 1
FALSE = 0
minVERSION = 7 ; minimum core version to handle the driver
*-----------------------------------
* GS/OS EQUATES
*-----------------------------------
GSOS2 = $E100B0
MOVE_INFO = $01FC70
SET_DISKSW = $01FC90
uncertainBlockCountBit = $8000
diskSwitchedBit = $0001
diskInDriveBit = $0010
diskModifyBit = $0100
dftRAMDISK = $000e ; device ID for RAM/ROM disks
dchar = $08
dblockcount = $0a
ddeviceid = $34
ddevnumber = $3e
*-----------------------------------
* AS DRIVER EQUATES
*-----------------------------------
maxIMAGES = 1 ; no more than N images
blockSIZE = 512 ; ProDOS 8 block size
maxBLOCKP = 65536 ; 65536 blocks for ProDOS 8
maxBLOCKH = 491520 ; 491520 blocks for HFS
* 8 1000 => 8 1000 RAM or ROM disk
* B 1011 => B 1011 restartable + not speed dependent
* E 1110 => E 1110 block device | write allowed | read allowed
* 8 1000 => 8 1000 format allowed
dftCHAR = $8BE8 ; default characteristics 8FE8
dftVERSION = $1000 ; v1
*-----------------------------------
* GS/OS DIRECT PAGE
*-----------------------------------
deviceNum = $00
callNum = $02
bufferPtr = $04
statusListPtr = $04
controlListPtr = $04
requestCount = $08
transferCount = $0C
blockNum = $10
blockSize = $14
FSTNum = $16 ; *
statusCode = $16 ; *
controlCode = $16 ; *
volumeID = $18
cachePriority = $1A
cachePointer = $1C
dibPointer = $20