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42 lines
671 B
ArmAsm
42 lines
671 B
ArmAsm
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; Ullrich von Bassewitz, 06.08.1998
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; Low level stuff for screen output/console input
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;
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.export initconio, doneconio
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.exportzp CURS_X, CURS_Y
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.import xsize, ysize
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.include "plus4.inc"
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.include "../cbm/cbm.inc"
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.code
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initconio:
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jsr SCREEN
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stx xsize
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sty ysize
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ldy #15
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L1: lda fnkeys,y
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sta FKEY_SPACE,y
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dey
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bpl L1
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rts
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doneconio:
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ldx #$39 ; Copy the original function keys
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L2: lda FKEY_ORIG,x
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sta FKEY_SPACE,x
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dex
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bpl L2
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rts
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; Function key table, readonly
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.rodata
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fnkeys: .byte $01, $01, $01, $01, $01, $01, $01, $01
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.byte 133, 137, 134, 138, 135, 139, 136, 140
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