
SZ [m].i
Description
Skip if bit “i” of the data memory is zero
If bit “i” of the specified data memory is zero, the following instruction,
fetched during the current instruction execution, is discarded and a dummy
cycle is replaced to get the proper instruction (two cycles). Otherwise proceed
with the next instruction (one cycle).
Skip if [m].i=0
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
–
–
–
–
–
–
–
–
TABRDC [m]
Description
Move the ROM code (current page) to TBLH and data memory
The low byte of ROM code (current page) addressed by the table pointer
(TBLP) is moved to the specified data memory and the high byte transferred
to TBLH directly.
[m]
←
ROM code (low byte)
TBLH
←
ROM code (high byte)
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
–
–
–
–
–
–
–
–
TABRDL [m]
Description
Move the ROM code (last page) to TBLH and data memory
The low byte of ROM code (last page) addressed by the table pointer (TBLP)
is moved to the data memory and the high byte transferred to TBLH directly.
[m]
←
ROM code (low byte)
TBLH
←
ROM code (high byte)
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
–
–
–
–
–
–
–
–
XOR A,[m]
Description
Logical XOR accumulator with data memory
Data in the accumulator and the indicated data memory perform a bitwise
logical E xclusive_OR operation and the result is stored in the accumulator.
ACC
←
ACC “XOR” [m]
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
–
–
–
–
–
√
–
–
HT48CXX/HT48RXX
47
25th May ’99