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HMCS44C,HMCS44CL--------------------------------------------------------
• INSTRUCTION LIST
The instructions of the HMCS44C are listed according to their
functions, as shown in Table 4.
Table 4 Instruction List
Group
Mnemonic
Function
LAB
B-+A
LBA
A-+B
Register • Register
LAY
Y-+A
Instruction
LASPX
SPX -+ A
LASPY
SPY -+ A
XAMRm
A .... MR (m)
LXA
A-+X
LYA
A-+Y
LXI i
i -+ X
LYI i
i -+ Y
IY
Y+1 -+ Y
RAM Address Register
DY
Y-1 -+ Y
Instruction
AYV
Y+A -+ Y
SYY
V-A -+ Y
XSPX
X .... SPX
XSPY
Y .... Spy
XSPXY
X .... SPX.
Y .... SPY
LAM (XY)
M -+ A (XY ..... SPXY)
LBM (XY)
M
-+
B (XY ..... SPXY)
RAM • Register
XMA (XY)
M
<-+
A (XY ..... SPXY)
Instruction
XMB (XY)
M .... B (XY ..... SPXY)
LMAIY (X)
A
-+
M, Y + 1
-+
Y (X
<-+
SPX)
LMADY (X)
A
-+ M, Y -1
-+
Y (X
<-+
SPX)
LMIlYi
Immediate Transfer
i -+ M. Y+1
-+
Y
LAI i
i -+ A
Instruction
LBI i
i -+ B
AI i
A+i -+ A
IB
B+ 1 -+ B
DB
B-1 -+ B
AMC
M+A+C (F/F)
-+
A
SMC
M-A-C(F/F) -+A
AM
M+A -+ A
DAA
Decimal Adjustment (Addition)
DAS
Decimal Adjustment (Subtraction)
Arithmetic Instruction
A+1 -+ A
NEGA
COMB
B-+B
SEC
"1" -+ C (F/F)
REC
"0" -+ C (F/F)
TC
Test
C (F/F)
ROTL
Rotation Left
ROTR
Rotation Right
OR
AUB-+A
56
Status
NZ
NB
C
NB
NZ
NB
NZ
C
NZ
NB
C
NB
C
C (F/F)
(to be continued)
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