NEC PD754144 User Manual page 244

Instructions Mnemonic Operand
RORC A
Accumulator
manipulation
NOT A
Increment/
INCS reg
decrement
rp1
@HL
mem
DECS reg
rp'
Comparison SKE reg, #n4
@HL, #n4
A, @HL
XA, @HL
A, reg
XA, rp'
Carry flag SET1 CY
manipula-
CLR1 CY
tion
SKT CY
NOT1 CY
Memory bit SET1 mem.bit
manipula-
fmem.bit
tion
pmem. @L
@H+mem.bit
CLR1 mem.bit
fmem.bit
pmem.@L
@H+mem.bit
SKT mem.bit
fmem.bit
pmem.@L
@H+mem.bit
SKF mem.bit
fmem.bit
pmem.@L
@H+mem.bit
SKTCLR fmem.bit
pmem.@L
@H+mem.bit
244
CHAPTER 11 INSTRUCTION SET
Machine
Bytes
Cycle
CY ← A
1 1
A ← A
2 2
reg ← reg + 1
1 1 + S
rp1 ← rp1 + 1
1 1 + S
(HL) ← (HL) + 1
2 2 + S
(mem) ← (mem) + 1
2 2 + S
reg ← reg – 1
1 1 + S
rp' ← rp' – 1
2 2 + S
2 2 + S Skip if reg = n4
2 2 + S Skip if (HL) = n4
1 1 + S Skip if A = (HL)
2 2 + S Skip if XA = (HL)
2 2 + S Skip if A = reg
2 2 + S Skip if XA = rp'
CY ← 1
1 1
CY ← 0
1 1
1 1 + S Skip if CY = 1
CY ← CY
1 1
(mem.bit) ← 1
2 2
(fmem.bit) ← 1
2 2
2 2 (pmem
7-2
2 2 (H + mem
(mem.bit) ← 0
2 2
(fmem.bit) ← 0
2 2
2 2 (pmem
7-2
2 2 (H + mem
2 2 + S Skip if(mem.bit) = 1
2 2 + S Skip if(mem.bit) = 1
2 2 + S Skip if(pmem
2 2 + S Skip if(H + mem
2 2 + S Skip if(mem.bit) = 0
2 2 + S Skip if(fmem.bit) = 0
2 2 + S Skip if(pmem
2 2 + S Skip if(H + mem
2 2 + S Skip if(fmem.bit) = 1 and clear
2 2 + S Skip if(pmem
2 2 + S Skip if(H + mem
User's Manual U10676EJ3V0UM
Addressing
Operation
← CY, A ← A
, A
0 3 n–1 n
)) ← 1
+ L .bit(L
3-2 1-0
.bit) ← 1
3-0
)) ← 0
+ L .bit(L
3-2 1-0
.bit) ← 0
3-0
+ L .bit(L )) = 1
7-2 3-2 1-0
.bit) = 1
3-0
+ L .bit(L )) = 0
7-2 3-2 1-0
.bit) = 0
3-0
+ L .bit(L )) = 1 and clear
7-2 3-2 1-0
.bit) = 1 and clear
3-0
Skip Condition
Area
reg = 0
rp1 = 00H
*1 (HL) = 0
*3 (mem) = 0
reg = FH
rp' = FFH
reg = n4
*1 (HL) = n4
*1 A = (HL)
*1 XA = (HL)
A = reg
XA = rp'
CY = 1
*3
*4
*5
*1
*3
*4
*5
*1
*3 (mem.bit) = 1
*4 (fmem.bit) = 1
*5 (pmem.@L) = 1
*1 (@H + mem.bit) = 1
*3 (mem.bit) = 0
*4 (fmem.bit) = 0
*5 (pmem.@L) = 0
*1 (@H + mem.bit) = 0
*4 (fmem.bit) = 1
*5 (pmem.@L) = 1
*1 (@H + mem.bit) = 1