13 Commits

Author	SHA1	Message	Date
Josh Dersch	47a2ee4b2b	Implemented temporary "fake" display controller which renders Alto DCBs to the screen, bypassing the display microcode. Alto is booting! Rough keyboard implementation.	2015-11-11 16:34:44 -08:00
Josh Dersch	ca638f1d6e	Initial rough implementation of Display hardware and associated tasks. Not really working.	2015-11-10 17:04:05 -08:00
Josh Dersch	e1c90dbe01	Fixed bug in carry flag on SUB operations; SUBLZ X,X now works correctly. Alto now appears to boot successfully. Skeleton of Display hardware added.	2015-11-09 17:36:26 -08:00
Josh Dersch	39f077bf7a	A few fixes to DNS<- behavior and some tweaks to the disk controller. Boot code is progressing further.	2015-11-03 16:21:12 -08:00
Josh Dersch	ea5a5f22ec	Improvements to Disk Word Task.	2015-10-20 15:32:26 -07:00
Josh Dersch	ee7c7fb035	Implemented more Disk functionality, fixed bug in ACSOURCE dispatch in Emulator task.	2015-09-16 16:27:16 -07:00
Josh Dersch	08d6063def	Refactored Task code into separate files for readability; added breakpoint support and basic Memory window to debugger. Initial implementation (mostly stubs) of Disk hardware and Tasks.	2015-09-14 11:27:16 -07:00
Josh Dersch	24d7a5a8fe	Work begun on Disk controller, stubs for keyboard and a few bugfixes and tweaks.	2015-09-04 18:03:47 -07:00
Josh Dersch	0ced1a2ef8	Built basic debugger UI and execution framework; a few bugfixes. CPU now executes uCode up until the first STARTF (unimplemented).	2015-09-01 17:06:57 -07:00
Josh Dersch	59d98d1909	Refinement to CPU, implemented very rough diassembler and began annotation of official Xerox ucode sources with PROM addresses.	2015-08-28 18:07:59 -07:00
Josh Dersch	9c3ee3afac	Tweaks to ALU, CPU, Memory	2015-08-21 17:12:28 -07:00
Josh Dersch	f1ffcb0547	Implemented ALU, most of Memory state machine.	2015-08-20 18:02:01 -07:00
Josh Dersch	5719ec4815	Adding files that VS mysteriously excluded. I love tools.	2015-08-20 09:55:26 -07:00