Apple-2gs-SW/itty-bitty-vtty
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don't re-enable the cursor blink while there is still pending modem data. this improves performance and visuals.

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This commit is contained in:
Kelvin Sherlock 2022-01-09 19:38:25 -05:00
parent 8fa8d8d1fa
commit f486bbfb1b
1 changed files with 7 additions and 1 deletions
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8
vt100.main.S
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@ -37,7 +37,6 @@ main debug main
stz SCANINT ; reset 1-sec interrupt stz SCANINT ; reset 1-sec interrupt
loop loop
bit LOCAL bit LOCAL
bmi :kb bmi :kb
@ -49,6 +48,13 @@ loop
jsr vt100 jsr vt100
:kb :kb
jsr keypress jsr keypress
*
* if there is pending modem data, don't re-enable the cursor yet.
*
lda read_q_head
cmp read_q_tail
bne loop
jsr enable_cursor jsr enable_cursor
bra loop bra loop