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itty-bitty-vtty
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fix bug with scrolling region. frotz now works...

This commit is contained in:
Kelvin Sherlock 2021-10-25 14:30:42 -04:00
parent 0d64af63d2
commit 260023c33b
1 changed files with 3 additions and 2 deletions
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5
vt100.csi.S
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@ -679,6 +679,7 @@ csi_H ; direct cursor addressing
jmp recalc_cursor
csi_r ; scrolling region
debug csi_r
* based on testing
* esc [ n r (no second parmeter) is equivalent to esc [ n ; 24 r
* esc [ r sets scrolling region to 1 ; 24 ( in accordance with above )
@ -703,11 +704,11 @@ csi_r ; scrolling region
:check
* 23 max
ldx parms+0
cmp #23+1
cpx #23+1
bge :rts
ldx parms+1
cmp #23+1
cpx #23+1
bge :rts