mirror of
https://github.com/cc65/cc65.git
synced 2024-12-23 04:30:10 +00:00
46 lines
573 B
ArmAsm
46 lines
573 B
ArmAsm
|
;
|
||
|
|
; Ullrich von Bassewitz, 06.08.1998
|
||
|
|
;
|
||
|
|
; Low level stuff for screen output/console input
|
||
|
|
;
|
||
|
|
|
||
|
|
.export initconio, doneconio
|
||
|
|
.exportzp CURS_X, CURS_Y
|
||
|
|
.import xsize, ysize
|
||
|
|
|
||
|
|
.include "c128.inc"
|
||
|
|
.include "../cbm/cbm.inc"
|
||
|
|
|
||
|
|
.bss
|
||
|
|
keyvec: .res 2
|
||
|
|
|
||
|
|
|
||
|
|
.code
|
||
|
|
|
||
|
|
initconio:
|
||
|
|
|
||
|
|
; Save the old vector
|
||
|
|
|
||
|
|
lda KeyStoreVec
|
||
|
|
sta keyvec
|
||
|
|
lda KeyStoreVec+1
|
||
|
|
sta keyvec+1
|
||
|
|
|
||
|
|
; Set the new vector. I can only hope that this works for other C128
|
||
|
|
; versions...
|
||
|
|
|
||
|
|
lda #<$C6B7
|
||
|
|
ldx #>$C6B7
|
||
|
|
|
||
|
|
SetVec: sei
|
||
|
|
sta KeyStoreVec
|
||
|
|
stx KeyStoreVec+1
|
||
|
|
cli
|
||
|
|
rts
|
||
|
|
|
||
|
|
doneconio:
|
||
|
|
lda keyvec
|
||
|
|
ldx keyvec+1
|
||
|
|
bne SetVec
|
||
|
|
|