166 lines
3.3 KiB
ArmAsm
166 lines
3.3 KiB
ArmAsm
;
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; memory.s
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; Memory mapping information
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;
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; Created by Quinn Dunki on 8/15/14.
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; Copyright (c) 2014 One Girl, One Laptop Productions. All rights reserved.
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;
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; Constants
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CHAR_NORMAL = $ff
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CHAR_INVERSE = $3f
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CHAR_FLASH = $7f
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VIEW_STYLE_PLAIN = $00
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VIEW_STYLE_FANCY = $01
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VIEW_STYLE_CHECK = $02
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VIEW_STYLE_BUTTON = $03
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VIEW_STYLE_TAKESFOCUS = $02 ; Styles >= this one are selectable
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VIEW_STYLE_APPLESOFT = $80 ; High nybble flag bit for views created from Applesoft
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IRQVECTORL = $03fe
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IRQVECTORH = $03ff
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; ROM entry points
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COUT = $fded
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BASCALC = $fbc1
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PRBYTE = $fdda
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RDKEY = $fd0c
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BELL = $fbdd
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; System state
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;
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WG_CURSORX: ; In screenspace
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.byte 0
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WG_CURSORY:
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.byte 0
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WG_LOCALCURSORX: ; In current viewspace
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.byte 0
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WG_LOCALCURSORY:
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.byte 0
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WG_ACTIVEVIEW:
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.byte 0
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WG_FOCUSVIEW:
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.byte 0
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WG_PENDINGACTIONVIEW:
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.byte 0
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WG_GOSUB: ; Set if an Applesoft gosub was generated by a view action
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.byte 0
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WG_VIEWCLIP:
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; X0,Y0,X1,Y1. Edges of current window, in view space, right span
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.byte 0,0,0,0,0
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WG_VIEWRECORDS:
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; 0 1 2 3 4 5 6 7 8 9 10 11 12 13
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; X, Y, Screen Width, Screen Height, Style, X Offset, Y Offset, View Width, View Height, State, CallbackL, CallbackH, TitleL, TitleH
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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WG_STRINGS: ; Fixed-size block allocator for strings (view titles, mainly)
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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WG_SCRATCHA:
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.byte 0
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Lookup tables
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;
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; Video memory
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TEXTLINES_H:
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.byte $04 ;0
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.byte $04 ;1
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.byte $05 ;2
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.byte $05 ;3
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.byte $06 ;4
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.byte $06 ;5
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.byte $07 ;6
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.byte $07 ;7
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.byte $04 ;8
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.byte $04 ;9
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.byte $05 ;10
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.byte $05 ;11
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.byte $06 ;12
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.byte $06 ;13
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.byte $07 ;14
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.byte $07 ;15
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.byte $04 ;16
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.byte $04 ;17
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.byte $05 ;18
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.byte $05 ;19
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.byte $06 ;20
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.byte $06 ;21
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.byte $07 ;22
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.byte $07 ;23
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TEXTLINES_L:
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.byte $00 ;0
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.byte $80 ;1
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.byte $00 ;2
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.byte $80 ;3
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.byte $00 ;4
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.byte $80 ;5
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.byte $00 ;6
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.byte $80 ;7
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.byte $28 ;8
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.byte $a8 ;9
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.byte $28 ;10
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.byte $a8 ;11
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.byte $28 ;12
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.byte $a8 ;13
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.byte $28 ;14
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.byte $a8 ;15
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.byte $50 ;16
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.byte $d0 ;17
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.byte $50 ;18
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.byte $d0 ;19
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.byte $50 ;20
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.byte $d0 ;21
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.byte $50 ;22
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.byte $d0 ;23
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