Program Memory Map (In Μpd750004) - NEC PD750004 User Manual

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0000H MBE RBE
Internal reset start address
Internal reset start address
0002H MBE RBE
INTBT/INT4 start address
INTBT/INT4 start address
0004H MBE RBE
INT0 start address
INT0 start address
0006H MBE RBE
INT1 start address
INT1 start address
0008H MBE RBE
INTCSI start address
INTCSI start address
000AH MBE RBE
INTT0 start address
INTT0 start address
000CH MBE RBE
INTT1 start address
INTT1 start address
0020H
007FH
0080H
07FFH
0800H
0FFFH
Note Can be used only in the MkII mode.
Remark In addition to the above, the BR PCDE and BR PCXA instructions can cause a branch to an
address with only the 8 low-order bits of the PC changed.
Figure 4-3. Program Memory Map (in µPD750004)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
GETI instruction reference table
CHAPTER 4 INTERNAL CPU FUNCTIONS
0
Entry
address
specified
in CALLF
!faddr
instruc- Branch
address
tion
specified
in BRCB
!caddr
instruc-
tion
Branch address
specified in
BR !addr, BR BCDE,
BR BCXA, BRA
Note
!addr1 , CALL
!addr, or CALLA
Note
!addr1
Branch/call
address by
GETI
Relative
branch
address
specified in
BR $addr
instruction
(–15 to –1,
+2 to +16)
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