home *** CD-ROM | disk | FTP | other *** search
- ; Program Name: PRG_6FP.S
- ; Version: 1.001
-
- ; Assembly Instructions:
-
- ; Assemble in PC-relative mode and save with a PRG extension.
-
- ; Execution Instructions:
-
- ; Execute from the desktop.
-
- ; Program Function:
-
- ; Turns on keyclick sound so that the programs that turn it off can be
- ; tested. See programs PRG_6DP and PRG_6EP for further documentation.
-
- mainline:
- lea stack, a7 ; Point A7 to this program's stack.
-
- execute_subroutine_in_supervisor_mode:
- pea turn_key_click_on ; Push address of subroutine onto stack.
- move.w #$26, -(sp) ; Function = superexec = XBIOS $26 (dec 38).
- trap #14 ; XBIOS call.
- addq.l #6, sp
-
- terminate:
- move.w #0, -(sp) ; Function = p_term_old = GEMDOS $0.
- trap #1 ; GEMDOS call.
-
- turn_key_click_on: ; Subroutine to be executed in supervisor
- move.b #7, $484 ; mode.
- rts
-
- ds.l 24 ; Stack.
- stack: ds.l 0 ; Address of stack.
- program_end: ds.l 0
- end
-