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https://opencores.org/ocsvn/light8080/light8080/trunk
Subversion Repositories light8080
[/] [light8080/] [trunk/] [vhdl/] - Rev 64
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Last modification
- Rev 64, 2012-02-12 10:11:04 GMT
- Author: ja_rd
- Log message:
- 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
