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

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Tasks

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

ALU.cs

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

ConstantMemory.cs

Fixed instruction register decoding SFs for Emulator Task; first stab at handling (most) DNS<- operations including setting SKIP and CARRY flip flops. BLT now succeeds, Nova code in bootstrap is running.

2015-10-29 17:02:22 -07:00

CPU.cs

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

MicroInstruction.cs

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

NovaDisassembler.cs

Fixed remaining disk issues; KSTAT bits 4-7 must always be "1," and head select change must reload current sector. Boot now loads in complete boot program and control is transferred to it.

2015-11-05 13:49:32 -08:00

Shifter.cs

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

UCodeDisassembler.cs

Fixed remaining disk issues; KSTAT bits 4-7 must always be "1," and head select change must reload current sector. Boot now loads in complete boot program and control is transferred to it.

2015-11-05 13:49:32 -08:00

UCodeMemory.cs

Sketching in the rest of the CPU

2015-08-19 16:50:40 -07:00