cc65/libsrc/cx16/get_tv.s

;
; 2020-05-02, Greg King
;
; unsigned char get_tv (void);
; /* Return the video mode the machine is using. */
;

        .export         _get_tv

        .include        "cx16.inc"


.proc   _get_tv
        stz     VERA::CTRL              ; Use display register bank 0
        lda     VERA::DISP::VIDEO
        and     #%00000111              ; Get the type of output signal
        ldx     #>$0000                 ; Promote to unsigned int
        rts
.endproc
Created a target and a library for the Commander X16 prototype computer. 2019-09-27 07:38:51 +00:00			`;`
Updated the cx16 library to the Commander X16's ROM prerelease 37. 2020-05-02 17:46:06 +00:00			`; 2020-05-02, Greg King`
Created a target and a library for the Commander X16 prototype computer. 2019-09-27 07:38:51 +00:00			`;`
			`; unsigned char get_tv (void);`
			`; /* Return the video mode the machine is using. */`
			`;`

			`.export _get_tv`

			`.include "cx16.inc"`


			`.proc _get_tv`
Updated the cx16 library to the Commander X16's ROM prerelease 37. 2020-05-02 17:46:06 +00:00			`stz VERA::CTRL ; Use display register bank 0`
			`lda VERA::DISP::VIDEO`
			`and #%00000111 ; Get the type of output signal`
			`ldx #>$0000 ; Promote to unsigned int`
Created a target and a library for the Commander X16 prototype computer. 2019-09-27 07:38:51 +00:00			`rts`
			`.endproc`