Apple-2gs-SW/itty-bitty-vtty
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inverse support

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Kelvin Sherlock 2021-09-27 17:53:13 -04:00
parent 11d62bb333
commit 2a8a409194
1 changed files with 12 additions and 0 deletions
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12
vt100.csi.S
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@ -451,6 +451,12 @@ mode_LNM
csi_m csi_m
* esc [ ... m * esc [ ... m
* 0 - attributes off
* 1 - bold
* 4 - underscore
* 5 - blink
* 7 - inverted
inc pcount inc pcount
ldx #0 ldx #0
:loop lda parms,x :loop lda parms,x
@ -465,6 +471,12 @@ csi_m
:next inx :next inx
cpx pcount cpx pcount
blt :loop blt :loop
* now update - bit 7 indicates inverse.
lda SGR
and #$80
sta draw_inverse
:rts rts :rts rts