49 lines
2.0 KiB
Plaintext
49 lines
2.0 KiB
Plaintext
;license:MIT
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;(c) 2018 by 4am
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;
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; YE OLDE GRAND UNIFIED MEMORY MAP
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;
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; 0800..1BFF - game description file (read)
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; 1C00..1FFF - ProDOS 1K file buffer
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; 2000..3FFF - DHGR artwork (read)
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; ONBEYOND.SYSTEM (read + execute)
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; ZINFO.SYSTEM (read + execute)
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; global preferences file (read + write)
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; 3F00..3FFF - gPathname
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; kNullTerminatedBuffer
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; gKey/gVal
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; 4000.~5BFF - WeeGUI (approximate)
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;~5C00.~73FF - program code (approximate)
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;~7400...... - program data (approximate)
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;
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kPitchDarkBinaryAddress = $3F24
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kGameInfoBuffer = $0800 ; used by LoadGameInfo
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kProDOSFileBuffer = $1C00 ; 1K buffer for ProDOS MLI calls
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kSystemAddress = $2000 ; used by LaunchInterpreter
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kGlobalPrefsBuffer = $2000 ; used by LoadGlobalPreferences/SaveGlobalPreferences
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kCreditsBuffer = $2000 ; used by CreditsDialog
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gPathname = $3F00 ; used by ResetPath/AddToPath
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kNullTerminatedBuffer = $3F00 ; used by paintInfoView
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gKeyLen = $3F00 ; used by ParseKeyValueText
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gKey = $3F01
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gValLen = $3F80
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gVal = $3F81
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WGInit = $4000 ; WeeGUI file load address and initialization function
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NODEV = $BF10 ; means 'no device connected'
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RAM32 = $BF26 ; S3,D2 /RAM device
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DEVCNT = $BF31 ; ProDOS device count
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DEVLST = $BF32 ; ProDOS device list
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SPEAKER = $C030 ; used by SoftBell
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WAIT = $FCA8
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MAGICRTS = $FF58 ; used to set overflow bit
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; zero page
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PARAM = $00 ; used by PARAMS_ON_STACK macro, so basically everywhere
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PTR = $02
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SRC = $04
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DEST = $06
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ZPTR = $06 ; used by glue.zinfo because it's unused by okvs_append
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SAVE = $08
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