URL
https://opencores.org/ocsvn/6809_6309_compatible_core/6809_6309_compatible_core/trunk
Subversion Repositories 6809_6309_compatible_core
[/] [6809_6309_compatible_core/] [trunk/] [rtl/] [verilog/] [BUGS.txt] - Rev 16
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Known bugs are described here
25.07.14
--------
- no known bugs, core passes cpu-check
22.07.14
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- ABX doesn't work
06.07.14
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- no known bugs, core passes cpu-check
29.06.14-06.07.14
-----------------
- Multiple opcodes fail: direct, extended opcodes, jmp, inc, dec, daa
sex, long branches, indirect indexed opcodes don't load the indirect
address
07.02.14
--------
- no known bugs
06.01.14
--------
- no known bugs
05.01.14
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- The bit instruction modifies the destination (it shouldn't)
- The E flag is not read back when RTI is processed. This means that FIRQ will not return
correctly.
01.01.14
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- SYNC doesn't work as expected
- The E flag is not read back when RTI is processed. This means that FIRQ will not return
correctly.
31.12.13
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- CWAI, SYNC don't work as expected
- The E flag is not read back when RTI is processed. This means that FIRQ will not return
correctly.
30.12.13
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- EXG doesn't work, the register file can only be written once in the WriteBack cycle.
- The E flag is not read back when RTI is processed. This means that FIRQ will not return
correctly.
28.12.13
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- EXG doesn't work, the register file can only be written once in the WriteBack cycle.
- LEAX/LEAY do not modify the Z flag
- The E flag is not read back when RTI is processed. This means that FIRQ will not return
correctly.