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44
μ
PD75336
(mem.bit)
←
1
(fmem.bit)
←
1
(pmem
7–2
+ L
3–2
.bit (L
1–0
))
←
1
(H + mem
3–0
.bit)
←
1
(mem.bit)
←
0
(fmem.bit)
←
0
(pmem
7–2
+ L
3–2
.bit (L
1–0
))
←
0
(H + mem
3–0
.bit)
←
0
Skip if (mem.bit) = 1
Skip if (fmem.bit) = 1
Skip if (pmem
7–2
+ L
3–2
.bit (L
1–0
)) = 1
Skip if (H + mem
3–0
.bit) = 1
Skip if (mem.bit) = 0
Skip if (fmem.bit) = 0
Skip if (pmem
7–2
+ L
3–2
.bit (L
1–0
)) = 0
Skip if (H + mem
3–0
.bit) = 0
Skip if (fmem.bit) = 1 and clear
Skip if (pmem
7–2
+ L
3–2
.bit (L
1–0
)) = 1 and clear
Skip if (H + mem
3–0
.bit) = 1 and clear
CY
←
CY
∧
(fmem.bit)
CY
←
CY
∧
(pmem
7–2
+ L
3–2
.bit (L
1–0
))
CY
←
CY
∧
(H + mem
3–0
.bit)
CY
←
CY
∨
(fmem.bit)
CY
←
CY
∨
(pmem
7–2
+ L
3–2
.bit (L
1–0
))
CY
←
CY
∨
(H + mem
3–0
.bit)
CY
←
CY
∨
(fmem.bit)
CY
←
CY
∨
(pmem
7–2
+ L
3–2
.bit (L
1–0
))
CY
←
CY
∨
(H + mem
3–0
.bit)
PC
13–0
←
addr
(The assembler selects the optimum
instruction from among the BR !addr, BRCB
!caddr, and BR $addr instructions.)
PC
13–0
←
addr
PC
13–0
←
addr
PC
13–0
←
PC
13–8
+ DE
PC
13–0
←
PC
13–8
+ XA
PC
13–0
←
PC
13,12
+ caddr
11–0
!addr
$addr
PCDE
PCXA
!caddr
CY, fmem.bit
CY, pmem.@L
CY, @H + mem.bit
CY, fmem.bit
CY, pmem.@L
CY, @H + mem.bit
CY, fmem.bit
CY, pmem.@L
CY, @H + mem.bit
mem.bit
fmem.bit
pmem.@L
@H + mem.bit
mem.bit
fmem.bit
pmem.@L
@H + mem.bit
mem.bit
fmem.bit
pmem.@L
@H + mem.bit
mem.bit
fmem.bit
pmem.@L
@H + mem.bit
fmem.bit
pmem.@L
@H + mem.bit
Operation
Skip Condition
*3
*4
*5
*1
*3
*4
*5
*1
*3
*4
*5
*1
*3
*4
*5
*1
*4
*5
*1
(mem.bit) = 1
(fmem.bit) = 1
(pmem.@L) = 1
(@H + mem.bit) = 1
(mem.bit) = 0
(fmem.bit) = 0
(pmem.@L) = 0
(@H + mem.bit) = 0
(fmem.bit) = 1
(pmem.@L) = 1
(@H + mem.bit) = 1
*4
*5
*1
*4
*5
*1
*4
*5
*1
*6
*6
*7
*8
Note
Instruction Group
Address-
ing Area
Machine
Cycles
Bytes
2
2
2
2
2
2
2
2
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2
2
2
2
2
2
2
2
2
—
3
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
—
3
1
2
2
2
Note
SET1
CLR1
SKT
SKF
SKTCLR
AND1
OR1
XOR1
BR
BRCB
Operands
Mne-
monic
addr
B
M