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cc65/libsrc/apple2/cclear.s

20 lines
609 B
ArmAsm

;
; Ullrich von Bassewitz, 08.08.1998
;
; void __fastcall__ cclearxy (unsigned char x, unsigned char y, unsigned char length);
; void __fastcall__ cclear (unsigned char length);
;
.export _cclearxy, _cclear
.import popa, _gotoxy, chlinedirect
_cclearxy:
pha ; Save the length
jsr popa ; Get y
jsr _gotoxy ; Call this one, will pop params
pla ; Restore the length and run into _cclear
_cclear:
ldx #' ' | $80 ; Blank, screen code
jmp chlinedirect