mirror of https://github.com/a2-4am/4cade.git
34 lines
955 B
Plaintext
34 lines
955 B
Plaintext
;license:MIT
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;(c) 2018 by 4am
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;
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; soft switches
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STOREOFF = $C000 ; write to use following 4 flags:
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READMAINMEM = $C002 ; write to R main mem
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READAUXMEM = $C003 ; write to R aux mem
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WRITEMAINMEM = $C004 ; write to W main mem
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WRITEAUXMEM = $C005 ; write to W aux mem
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;
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SLOT3STATUS = $C017 ; read high bit only
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; ROM
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MACHINEID = $FBB3
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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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SAVE = $08
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MachineStatus =$F0 ; bit 7 = 1 if machine has joystick
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; bit 6 = 1 if machine has 128K
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; $FE ; used by ParseGamesList
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; $FF ; used by ParseGamesList
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; main memory
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gPathname = $1F00 ; used by ResetPath/AddToPath
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gKeyLen = $1F00 ; used by ParseGamesList
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gKey = $1F01
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gValLen = $1F80
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gVal = $1F81
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