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30 lines
778 B
ArmAsm
30 lines
778 B
ArmAsm
;
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; unsigned char __fastcall__ kbrepeat (unsigned char mode);
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;
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; 2017-06-16, Groepaz
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; 2017-09-05, Greg King
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;
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.export _kbrepeat
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.include "pet.inc"
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_kbrepeat:
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ldx #>$0000
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ldy SCR_LINELEN
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cpy #40 + 1
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bcc L1 ; branch if screen is 40 columns wide
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ldy KBDREPEAT80 ; get old value
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sta KBDREPEAT80 ; store new value
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tya ; return old value
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rts
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L1: tay
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lda KBDREPEAT40B ; get REPEAT-key flag (used by some editor ROMs)
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lsr a ; move bit 0 into bit 7
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ror a
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ora KBDREPEAT40 ; combine with old key-REPEAT flags
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sty KBDREPEAT40
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rts
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