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cc65/libsrc/conio/scrsize.s
2018-05-22 16:00:05 +02:00

37 lines
767 B
ArmAsm

;
; Ullrich von Bassewitz, 08.08.1998
;
; void screensize (unsigned char* x, unsigned char* y);
;
.export _screensize
.import popptr1
.import screensize
.importzp ptr1, ptr2
.macpack cpu
.proc _screensize
sta ptr2 ; Store the y pointer
stx ptr2+1
jsr popptr1 ; Get the x pointer into ptr1
jsr screensize ; Get screensize into X/Y
tya ; Get Y size into A
.if (.cpu .bitand ::CPU_ISET_65SC02)
sta (ptr2)
txa
sta (ptr1)
.else
ldy #0
sta (ptr2),y
txa
sta (ptr1),y
.endif
rts
.endproc