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Suzy B Software 2
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Suzy B Software CD-ROM 2 (1994).iso
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VQTWIDTH.S
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1993-03-26
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1KB
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51 lines
;*========================================================================
;* VDIFAST Public Domain VDI bindings.
;*========================================================================
;*------------------------------------------------------------------------
;* Inquire character cell width.
;*------------------------------------------------------------------------
globl _vqt_width
_vqt_width:
; .cargs #8,handle.w,character.w,cellw.l,left.l,right.l
handle = 8
character = 10
cellw = 12
left = 16
right = 20
link a6,#-14 ;* Allocate intout[1], ptsout[6].
; VContrl #117,,,#1
move.w handle(a6),-(sp) ; contrl[6]
clr.l -(sp) ; contrl[5,4]
move.w #1,-(sp) ; contrl[3]
subq.l #2,sp ; contrl[2]
clr.w -(sp) ; contrl[1]
move.w #117,-(sp) ; contrl[0]
pea -12(a6) ;* -> ptsout
pea -14(a6) ;* -> intout
subq.l #4,sp ;* -> ptsin
pea character(a6) ;* -> intin
pea 16(sp) ;* -> contrl
move.l sp,d1
jsr vditrap
move.l cellw(a6),a0 ;* Return cell width
move.w -12(a6),(a0) ;* from ptsout[0].
move.l right(a6),a0 ;* Return cell right delta
move.w -8(a6),(a0) ;* from ptsout[2].
move.l left(a6),a0 ;* Return cell left delta
move.w -4(a6),(a0) ;* from ptsout[4].
move.w -14(a6),d0 ;* Return status from intout[0].
unlk a6
rts
end