Apple-2gs-SW
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itty-bitty-vtty
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6 Commits

Author SHA1 Message Date
Kelvin Sherlock 77ec62a091 at 2.6mhz, 9600baud, I was experiencing lost characters during line scroll or screen clear. To compensate, replace modem polling with asynchronous/interrupt-based code. Up to 256 bytes of modem data can be buffered. 
Also, enable modem, vt100 as default

Also, erase screen before switching to 80-column mode to prevent unsightly flashes.
 2021-10-24 20:13:06 -04:00
Kelvin Sherlock 63cac578bd vt52 might be more or less complete now. 2021-09-24 21:52:42 -04:00
Kelvin Sherlock 6abf2574e3 fixes. 2021-09-21 22:35:33 -04:00
Kelvin Sherlock 9c526bd762 more stuff 2021-09-19 18:49:29 -04:00
Kelvin Sherlock 6e0de284e0 more vt100 code 
to handle DECAWM mode, bit 7 of x ($80 + 79) indicates a wrap is imminent, as opposed to just being in column 79. backspace, etc will drop back to column 78 (based on testing).
 2021-09-17 19:50:56 -04:00
Kelvin Sherlock 492a3bfbec adding everything in progress, regardless of state. 2021-09-04 17:52:35 -04:00