mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
21 lines
469 B
ArmAsm
21 lines
469 B
ArmAsm
;
|
|
; 2020-05-02, Greg King
|
|
;
|
|
; void __fastcall__ set_tv (unsigned char);
|
|
; /* Set the video mode the machine will use. */
|
|
;
|
|
|
|
.export _set_tv
|
|
|
|
.include "cx16.inc"
|
|
|
|
|
|
.proc _set_tv
|
|
stz VERA::CTRL ; Use display register bank 0
|
|
eor VERA::DISP::VIDEO
|
|
and #%00000111
|
|
eor VERA::DISP::VIDEO ; Replace old mode with new mode
|
|
sta VERA::DISP::VIDEO
|
|
rts
|
|
.endproc
|