NEC PD750008 User Manual
Page 308
288
µPD750008 USER'S MANUAL
B
C
3
0
0
D
3
0
E
3
0
11
8 7
4 3
0
12
PC
BR BCDE
Function: For the µPD750008 PC
12-0
<– BCDE
Branches to the address specified by the program counter whose bits have been replaced with the contents
of the B
0
, C, D, and E registers.
BR BCXA
Function: For the µPD750008 PC
12-0
<– BCXA
Branches to the address specified by the program counter whose bits have been replaced with the contents
of the B
0
, C, X, and A registers.
TBR addr
Function:
Assembler pseudo instruction of the GETI instruction for table definition. This instruction is
used to replace a 3-byte BR instruction with a 1-byte GETI instruction. The 12-bit address data
must be coded in addr. For detailed information, refer to RA75X Assembler Package User’s
Manual: Language (EEU-1363).
Remark "Function" in this section is applicable to the µPD750008 whose program counter consists of
13 bits (addr = 0000H to 1FFFH).
However, this is also applicable to the µPD750004 whose program counter consists of 12
bits (addr = 0000H to 0FFFH), the µPD750006 whose program counter consists of 13 bits
(addr = 0000H to 17FFH), and the µPD75P0016 whose program counter consists of 14 bits
(addr = 0000H to 3FFFH).
B
C
3
0
0
X
3
0
A
3
0
11
8 7
4 3
0
12
PC