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Short display test program

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Ross Wilson
2018-08-04 22:40:11 +07:00
parent 334e5468f9
commit 0139097a94
1 changed files with 44 additions and 0 deletions
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44
vimlac/test.asm Executable file
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;-------------------------------
; Test of display processor instructions
; Display characters on screen.
;-------------------------------
org 0100 ;
dof ;
loop dsn ; wait until display is off
jmp loop ;
law dsub ; start display
dla ;
don ;
jmp loop ; keep going
;-------------------------------
; Display list subroutine - show ASCII chars 'ABC'
;-------------------------------
dsub
dhvc ;
dsts 0 ;
dlxa 020 ;
dlya 0100 ;
djms upperf ; F
djms upperg ; G
djms upperh ; H
dhlt ;
;-------------------------------
upperf inc e,b03 ; F
inc 02,30 ;
inc d-30,b03 ;
inc 30,30 ;
inc f,f ;
upperg inc e,d33 ; G
inc b30,-1-3 ;
inc -30,-23 ;
inc 03,32 ;
inc 3-1,f ;
upperh inc e,b03 ; H
inc 03,02 ;
inc d0-3,0-1 ;
inc b30,30 ;
inc y,b03 ;
inc 03,02 ;
inc y,f ;
;-------------------------------
end