upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 161

• Manufacturer Part Number: upd75238
• Description: 4 Bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

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