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Mnemonic
Instruction
Function
Set
AI
M, I
AIC
M, I
AD
r, M
AC
r, M
SI
M, I
SIB
M, I
SU
r, M
SB
r, M
SLTI
M, I
SGEI
M, I
SEQI
M, I
SNEI
M, I
SEQ
r, M
SNE
r, M
CLT
r, M
CLTC
r, M
Function
Add immediate data
M ← (M) + I
to memory
Add immediate data
M ← (M) + I + ca
to memory with
carry
Add memory to
r ← (r) + (M)
general register
Add memory to
r ← (r) + (M) + ca
general register with
carry
Subtract immediate
M ← (M) − I
data from memory
Subtract immediate
M ← (M) − I − b
data from memory
with borrow
Subtract memory
r ← (r) − (M)
from general
register
Subtract memory
r ← (r) − (M) − b
from general
register with borrow
Skip if memory is
Skip if (M) < I
less than immediate
*
data
Skip if memory is
greater than or
Skip if (M) > = I
*
equal to immediate
data
Skip if memory is
Skip if (M) = I
equal to immediate
*
data
Skip if memory is
Skip if (M) ≠ I
not equal to
*
immediate data
Skip if general
Skip if (r) = (M)
register is equal to
*
memory
Skip if general
Skip if (r) ≠ (M)
register is not equal
*
to memory
Set carry flag if
(CY) ← 1 if (r) < (M)
general register is
or
less than memory,
(CY) ← 0 if (r) > = (M)
or reset if not
Set carry flag if
(CY) ← 1 if (r) < (M) +
general register is
(ca) or
less than memory
(CY) ← 0 if (r) > = (M) +
with carry or reset if
(Ca)
not
19
Machine Language (16 Bits)
Operation
IC
(6 Bits)
(2 Bits)
000000
000001
001000
001001
000010
000011
001010
001011
110000
110001
110010
110011
010010
010011
011100
011101
TC9349AFG
A
B
C
(4 Bits)
(4 Bits)
DR
DC
I
DR
DC
I
DR
DC
RN
DR
DC
RN
DR
DC
I
DR
DC
I
DR
DC
RN
DR
DC
RN
DR
DC
I
DR
DC
I
DR
DC
I
DR
DC
I
DR
DC
RN
DR
DC
RN
DR
DC
RN
DR
DC
RN
2006-02-24
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