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https://opencores.org/ocsvn/tiny64/tiny64/trunk
[/] [tiny64/] [trunk/] [irBits.txt] - Diff between revs 2 and 4
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| Rev 2 |
Rev 4 |
?rev1line? |
?rev2line? |
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cctest: 31..28
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0000 ever true always
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0001 carry clear CC
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0010 carry set CS
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0011 zero set EQ
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0100 greater equal GE
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0101 greater than GT
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0110 higher HI
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0111 less equal LE
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1000 less LS
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1001 less than LT
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1010 minus MI
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1011 zero clear NE
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1100 plus PL
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1101 overflow clear VC
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1110 overflow set VS
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1111 ever false never
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alumode: 27..24
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0000 mov
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0001 and
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0010 or
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0011 xor
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0100 add
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0101 sub
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0110 ror
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0111 lsr
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1000 lsra
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1001 swap
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1010 swapb
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1011 inc
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1100 dec
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1101 rorb
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memmux: 23
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0 use aluresult
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1 use memory
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clkmux: 22..20
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000 R0
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001 R1
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010 R2
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011 R3
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100 R4
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101 R5
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110 R6
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111 R7
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drive data bus: 19
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0 not drive data bus
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1 drive databus from opamux
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opamux: 18..16
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000 R0
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001 R1
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010 R2
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011 R3
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100 R4
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101 R5
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110 R6
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111 R7
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valmux: 15
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0 use opbmux
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1 use immediate
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opbmux: 14..12
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000 R0
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001 R1
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010 R2
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011 R3
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100 R4
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101 R5
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110 R6
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111 R7
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flagupdate: 11
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0 not change flag
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1 change flag
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carry use: 10
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0 not use carry
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1 use carry
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