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* Comment changeabc80-3H. Peter Anvin2003-10-161-1/+1
* Use 7-seg LED to simulate the sound generatorH. Peter Anvin2003-10-163-17/+47
* *** empty log message ***H. Peter Anvin2003-10-1516-185/+130
* Add full 80-column support; remove absolute paths to MIF filesH. Peter Anvin2003-10-153-18/+39
* Update for new releaseabc80-2H. Peter Anvin2003-10-142-3/+54
* Fix for string I/O instructionsH. Peter Anvin2003-10-141-4/+4
* Add CompactFlash controllerH. Peter Anvin2003-10-144-140/+483
* Add UFD-DOS/ABC80, modify MMU init to match proper memory map,H. Peter Anvin2003-10-144-18/+422
* mkfs/DOSGEN script for 64 MB "hard drive"H. Peter Anvin2003-10-141-0/+54
* CompactFlash hardware interfaceH. Peter Anvin2003-10-062-6/+113
* Initial attempt at producing an 80-column BASICH. Peter Anvin2003-10-052-1/+41
* More READMEH. Peter Anvin2003-10-051-0/+7
* Add README fileH. Peter Anvin2003-10-051-3/+8
* Add README fileH. Peter Anvin2003-10-051-0/+43
* Document diffs versus official t80abc80-1H. Peter Anvin2003-10-051-0/+163
* Fix T80 INTAK bug, and add support for RETI# signalH. Peter Anvin2003-10-057-61/+21
* Add debug mode that hammers on keyboard really fastH. Peter Anvin2003-10-052-3/+13
* Update megafunctions for actual working configurationH. Peter Anvin2003-10-048-71/+111
* Enable SRAM instead of internal test RAMH. Peter Anvin2003-10-041-2/+2
* It works now... mostly :) SRAM problem resolved by pulling up WE# earlier.H. Peter Anvin2003-10-042-70/+73
* Add missing entities; adjust PLL1 frequencyH. Peter Anvin2003-10-0314-69/+807
* Script to flash an upload from CygwinH. Peter Anvin2003-10-031-0/+12
* Hex -> ASCII conversion moduleH. Peter Anvin2003-10-021-0/+32
* Quartus options fileH. Peter Anvin2003-10-021-0/+242
* Quartus II project fileH. Peter Anvin2003-10-021-0/+45
* More hunting for the interrupt bugH. Peter Anvin2003-10-021-32/+74
* Fix copy-and-paste problemsH. Peter Anvin2003-10-022-6/+8
* *** empty log message ***H. Peter Anvin2003-10-022-69/+69
* Work snapshot; still hunting for the elusive interrupt bugH. Peter Anvin2003-10-023-58/+60
* Fix loop bugH. Peter Anvin2003-10-021-1/+1
* *** empty log message ***H. Peter Anvin2003-09-233-23/+112
* Well, it works now... sort of. With internal RAM it mostly works;H. Peter Anvin2003-09-234-61/+136
* Make Mode 3 interrupt edge-triggeredH. Peter Anvin2003-09-221-5/+8
* Different clock-division strategy; seems to work (slightly?) better...H. Peter Anvin2003-09-201-3/+8
* Provide output data "immediately" instead of on a clockH. Peter Anvin2003-09-201-7/+6
* Only flash the things that are supposed to :)H. Peter Anvin2003-09-201-1/+1
* Syntax fixesH. Peter Anvin2003-09-191-3/+2
* INT# is an outputH. Peter Anvin2003-09-191-6/+7
* Adjust frequencies for bringupH. Peter Anvin2003-09-192-69/+69
* FlashH. Peter Anvin2003-09-193-50/+125
* Fix the address assignment for SRAM; a lot closer to working...H. Peter Anvin2003-09-171-44/+83
* Handle more control codes correctlyH. Peter Anvin2003-09-171-7/+10
* Insignificant changeH. Peter Anvin2003-09-171-0/+5
* Insignifiant changeH. Peter Anvin2003-09-171-2/+2
* Don't break keyboard code which supports the debug portH. Peter Anvin2003-09-171-8/+1
* Add alternate program for testing purposesH. Peter Anvin2003-09-171-0/+134
* More test stuff...H. Peter Anvin2003-09-172-0/+6
* IEO is an output pinH. Peter Anvin2003-09-171-16/+14
* Convert display to verilogH. Peter Anvin2003-09-172-243/+316
* Remove stupid grey debugging backgroundH. Peter Anvin2003-09-171-3/+3