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[/] [light8080/] [trunk/] - Rev 66

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66 Adding interrupt example code to the Verilog implementation. An interrupt controller was added to the sample SOC module and a sample code was added to the "hello.c" example code. motilito 4880d 20h /light8080/trunk/
65 Adding Verilog initial version to the svn.
Added the c80 Small-C compiler and AS80 assembler.		 motilito 4892d 04h /light8080/trunk/
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 4901d 04h /light8080/trunk/
63 Modified syntax of ARGV parameter for compatibility to later versions of Perl ja_rd 4901d 04h /light8080/trunk/
62 Changed all hard tabs to spaces as preamble to a minor refactor ja_rd 4901d 14h /light8080/trunk/
61 Basic demo updated: main entity name changed to keep synthesis too happy ja_rd 5269d 15h /light8080/trunk/
60 Fixed nasty typo in pin constraints file (clock input) ja_rd 5273d 20h /light8080/trunk/
59 tabs to spaces ja_rd 5298d 04h /light8080/trunk/
58 tabs to spaces ja_rd 5298d 04h /light8080/trunk/
57 removed unfinished CPM demo files ja_rd 5482d 18h /light8080/trunk/
56 file list updated ja_rd 5482d 18h /light8080/trunk/
55 Altair 4K Basic demo on DE-1 board ja_rd 5482d 18h /light8080/trunk/
54 BUG FIX: XOR operations wre not clearing CY and ACY ja_rd 5482d 18h /light8080/trunk/
53 added interrupt for single-stepping
cleaned up comments a bit		 ja_rd 5838d 18h /light8080/trunk/
52 test bench compilation script sanitized a little ja_rd 5838d 18h /light8080/trunk/
51 interrupt test bench adapted to the fix in IE instruction ja_rd 5838d 18h /light8080/trunk/
50 interrupt test bench adapted to the fix in IE instruction ja_rd 5838d 18h /light8080/trunk/
49 fixed: IE now enables interrupts after a 1-instruction delay
(it was enabling interrupts immediately)		 ja_rd 5838d 18h /light8080/trunk/
48 clarification of some terms in the comments ja_rd 5839d 10h /light8080/trunk/
47 edited the file list and added a few remarks ja_rd 5839d 10h /light8080/trunk/

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