UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 161

• Manufacturer Part Number: UPD75238GJ
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC [NEC]

Instruction
Special
Note
The TBR and TCALL instructions are table definition assembler pseudo instructions of the GETI
instructions.
Mnemonic
SEL
GETI
Note
RBn
MBn
taddr
Operand
Number
of bytes
2
2
1
Machine
cycle
2
2
3
4
3
RBS
MBS
• For a TBR instruction
• For a TCALL instruction
• For an instruction other than TBR
PC
PC
(SP-5)(SP-6)(SP-3)(SP-4)
(SP-2)
PC
SP
and TCALL
Executes the instruction in
(taddr)(taddr+1).
13-0
14
13-0
n (n=0-3)
n (n=0,1,2,3,15)
SP-6 PC
0
(taddr)
(taddr)
Operation
, , MBE, RBE
14
5-0
5-0
+ (taddr+1)
+ (taddr+1)
0
PC
14-0
Address-
ing area
*10
PD75238
Depends
upon the
referenced
instruction.
Skip
condition
161