OpenCores
URL https://opencores.org/ocsvn/light8080/light8080/trunk

Subversion Repositories light8080

[/] [light8080/] [trunk] - Rev 64

Rev

Go to most recent revision | Details | Compare with Previous | Blame

Filtering Options

Clear current filter

Rev Log message Author Age Path
64 BUG FIX: Flags CY and AC were not clear by logic instructions
Added new flag to microcode: clr_acy
Used new flag to clear AC and CY flags unconditonally
Modified microcode for XR*, OR* and AN* to use new flag
Modified microcode assembler to support new flag
Addex explaination of new flag to documentation
Old fix that worked only for XR* instructions removed
Test bench tb0 modified to test CY clearance minimally (AC untested!)
Pre-generated vhel test bench tb0 altered accordingly		 ja_rd 4500d 00h /light8080/trunk
63 Modified syntax of ARGV parameter for compatibility to later versions of Perl ja_rd 4500d 00h /light8080/trunk
62 Changed all hard tabs to spaces as preamble to a minor refactor ja_rd 4500d 10h /light8080/trunk
61 Basic demo updated: main entity name changed to keep synthesis too happy ja_rd 4868d 11h /light8080/trunk
60 Fixed nasty typo in pin constraints file (clock input) ja_rd 4872d 17h /light8080/trunk
59 tabs to spaces ja_rd 4897d 00h /light8080/trunk
58 tabs to spaces ja_rd 4897d 00h /light8080/trunk
57 removed unfinished CPM demo files ja_rd 5081d 14h /light8080/trunk
56 file list updated ja_rd 5081d 14h /light8080/trunk
55 Altair 4K Basic demo on DE-1 board ja_rd 5081d 14h /light8080/trunk
54 BUG FIX: XOR operations wre not clearing CY and ACY ja_rd 5081d 14h /light8080/trunk
53 added interrupt for single-stepping
cleaned up comments a bit		 ja_rd 5437d 14h /light8080/trunk
52 test bench compilation script sanitized a little ja_rd 5437d 14h /light8080/trunk
51 interrupt test bench adapted to the fix in IE instruction ja_rd 5437d 14h /light8080/trunk
50 interrupt test bench adapted to the fix in IE instruction ja_rd 5437d 14h /light8080/trunk
49 fixed: IE now enables interrupts after a 1-instruction delay
(it was enabling interrupts immediately)		 ja_rd 5437d 14h /light8080/trunk
48 clarification of some terms in the comments ja_rd 5438d 06h /light8080/trunk
47 edited the file list and added a few remarks ja_rd 5438d 06h /light8080/trunk
46 minor change in signal color for better readability ja_rd 5438d 06h /light8080/trunk
45 Added modelsim scripts for the test benches ja_rd 5438d 06h /light8080/trunk

1 2 Next >

Show All

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.