show all SGR (inverse, bold, underscore, blink) as inverted.

2022-01-15 16:36:28 -05:00 · 2022-01-15 16:36:28 -05:00 · c2d3ee0f28
parent 900dccb3d1
commit c2d3ee0f28
1 changed files with 4 additions and 1 deletions
--- a/vt100.csi.S
+++ b/vt100.csi.S
@ -473,8 +473,11 @@ csi_m
 	blt :loop

 * now update - bit 7 indicates inverse.
+	stz draw_inverse
 	lda SGR
-	and #$80
+	beq :rts
+	lda #$80
+*	and #$80
 	sta draw_inverse

 :rts	rts