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EF6805U3FND View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
EF6805U3FND 8-BIT MICROCOMPUTER UNIT ST-Microelectronics
STMicroelectronics ST-Microelectronics
EF6805U3FND Datasheet PDF : 31 Pages
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EF6805U3
Table 6 : Instruction Set (continued).
Mnem Inherent Immediate
CLI
X
CLR
X
CMP
X
COM
X
CPX
X
DEC
X
EOR
X
INC
X
JMP
JSR
LDA
X
LDX
X
LSL
X
LSR
X
NEQ
X
NOP
X
ORA
X
ROL
X
RSP
X
RTI
X
RTS
X
SBC
X
SEC
X
SEI
X
STA
STX
SUB
X
SWI
X
TAX
X
TST
X
TXA
X
Condition Code Symbols :
H
I Interrupt Mask
N
Addressing Modes
Condition Code
Direct Extended Relative Indexed Indexed Indexed
Bit
Bit
Test & H I N Z C
(no offset) (8 Bits) (16 Bits) Set/clear Branch
q 0qqq
X
X
X
qq 0 1q
X
X
X
X
X
qq ∧ ∧ ∧
X
X
X
X
X
X
X
X
qq ∧ ∧ 1
qq ∧ ∧ ∧
X
X
X
qq ∧ ∧q
X
X
X
X
X
X
X
X
qq ∧ ∧q
qq ∧ ∧q
X
X
X
X
X
qqqqq
X
X
X
X
X
qqqqq
X
X
X
X
X
qq ∧ ∧q
X
X
X
X
X
qq ∧ ∧q
X
X
X
X
X
X
qq ∧ ∧ ∧
qq 0 ∧ ∧
X
X
X
qq ∧ ∧ ∧
qqqqq
X
X
X
X
X
qq ∧ ∧q
X
X
X
qq ∧ ∧ ∧
qqqqq
?????
qqqqq
X
X
X
X
X
qq ∧ ∧ ∧
qqqq 1
q 1qqq
X
X
X
X
X
X
X
X
X
X
qq ∧ ∧q
qq ∧ ∧q
X
X
X
X
X
qq ∧ ∧ ∧
q 1qqq
qqqqq
X
X
X
qq ∧ ∧q
qqqqq
Z
C
Half Carry (from bit 3)
^ Test and Set if True, Cleared Otherwise
Not AffNecetgeadtive (sign bit)
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