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mirror of https://github.com/livingcomputermuseum/sImlac.git synced 2026-02-11 10:45:03 +00:00

11 Commits

Author SHA1 Message Date
Josh Dersch
6f30305c79 Fixed keyboard, Mazewar is happy at last, fixed issues with n-key rollover. Tweaked TTY speed up. 2020-04-30 21:29:53 -07:00
Josh Dersch
4130c969c2 Fixed TTY send behavior. 2020-04-29 13:09:53 -07:00
Josh Dersch
8ced87eb1e Tweaks to keyboard (no longer loses keystrokes, auto-repeat is disabled unless REPT (Alt key) is held down. Fixed 40 cycle sync interrupt (must wait for display to halt as well.) SSV.22 behaves sanely with large numbers of characters displayed now. Slowed TTY interface down, MAZE now loads reliably from ITS. 2020-04-28 16:36:50 -07:00
Josh Dersch
3a7afbafc0 Tweaks for interrupt handling; added one instruction delay after ION before enabling interrupts, interrupts are now clocked on the leading edge of the processor Fetch cycle rather than on every clock cycle. 2020-04-28 11:07:45 -07:00
Josh Dersch
aee6c5dc63 Made reset a bit more thorough. 2020-04-27 00:46:35 -07:00
Josh Dersch
64d027dcab Implemented most of the PDS-4 display hardware enhancements (including BLINK, which is very important.) Implemented SBL and SBR, multiple indirects, and fixed decdoding of ACT 2 instructions. Rewired interrupt status bits (arbitrarily rearranged on the PDS-4). SSV4 now mostly seems to work, keyboard still non-functional. 2020-04-26 01:56:10 -07:00
Josh Dersch
18bb3eb9bd Made memory size configurable. Defaults to 8KW. 2018-10-12 12:53:01 -07:00
Josh Dersch
98189686ce Added missing / fixed mismapped keyboard keys. Minor tweak to display. 2018-10-11 12:25:46 -07:00
Josh Dersch
ed54a38d3a Small tweaks, improvement to TTY flags. 2018-10-10 14:17:47 -07:00
Josh Dersch
a7f81a8b8f Display is properly centered in fullscreen mode. Added very primitive Telnet interface for TTY. 2018-10-10 09:32:04 -07:00
Josh Dersch
0e9b1e87a7 Initial commit. 2017-05-30 11:01:26 -07:00