39 lines
1.4 KiB
PHP
39 lines
1.4 KiB
PHP
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;-----------------------------------------------------------------------------
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; Zero page stuff
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WNDLFT := $20 ; Text window left
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WNDWDTH := $21 ; Text window width
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WNDTOP := $22 ; Text window top
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WNDBTM := $23 ; Text window bottom+1
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CH := $24 ; Cursor horizontal position
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CV := $25 ; Cursor vertical position
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BASL := $28 ; Text base address low
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BASH := $29 ; Text base address high
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CURSOR := $2D ; Cursor character
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TATTR := $32 ; Text attributes
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PROMPT := $33 ; Used by GETLN
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VCOUT := $36 ; COUT Subroutine Vector
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VCIN := $38 ; CIN Subroutine Vector
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RNDL := $4E ; Random counter low
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RNDH := $4F ; Random counter high
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HIMEM := $73 ; Highest available memory address+1
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;-----------------------------------------------------------------------------
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; Vectors
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BRKVec := $03F0 ; Break vector
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SOFTEV := $03F2 ; Vector for warm start
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PWREDUP := $03F4 ; This must be = EOR #$A5 of SOFTEV+1
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;-----------------------------------------------------------------------------
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; Hardware
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; Keyboard input
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KBD := $C000 ; Read keyboard
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KBDSTRB := $C010 ; Clear keyboard strobe
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; Game controller
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BUTN0 := $C061 ; Open-Apple Key
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BUTN1 := $C062 ; Closed-Apple Key
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