mirror of
https://github.com/cc65/cc65.git
synced 2024-11-18 00:07:21 +00:00
37178d5141
that are set on startup. This is needed to support the C128, which can switch the screen size at runtime. git-svn-id: svn://svn.cc65.org/cc65/trunk@2042 b7a2c559-68d2-44c3-8de9-860c34a00d81
36 lines
630 B
ArmAsm
36 lines
630 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 08.08.1998
|
|
;
|
|
; void screensize (unsigned char* x, unsigned char* y);
|
|
;
|
|
|
|
.export _screensize
|
|
|
|
.import popsreg
|
|
.import screensize
|
|
.importzp ptr1, sreg
|
|
|
|
.proc _screensize
|
|
|
|
sta ptr1 ; Store the y pointer
|
|
stx ptr1+1
|
|
jsr popsreg ; Get the x pointer into sreg
|
|
jsr screensize ; Get screensize into X/Y
|
|
tya ; Get Y size into A
|
|
|
|
.IFP02
|
|
ldy #0
|
|
sta (ptr1),y
|
|
txa
|
|
sta (sreg),y
|
|
.ELSE
|
|
sta (ptr1)
|
|
txa
|
|
sta (sreg)
|
|
.ENDIF
|
|
|
|
rts
|
|
|
|
.endproc
|
|
|