Epson S1C63000 Personal Computer User Manual


 
S1C63000 CORE CPU MANUAL EPSON 133
CHAPTER 4: INSTRUCTION SET
SLP Set CPU to SLEEP mode 2 cycles
Function: Sleep
Sets the CPU to SLEEP status.
The CPU and the peripheral circuits including the oscillation circuit stops operating, thus the
power consumption is substantially reduced.
An interrupt from outside the MCU causes it to return from SLEEP status to the normal
program execution status.
Code:
Mnemonic MSB LSB
SLP 11111111111011FFDH
Flags: EICZ
–––
SRL %r Shift right r reg. logical 1 cycle
Function:
Shifts the content of the r register (A or B) to the right for 1 bit. Bit 0 of the r register moves to
the C flag and bit 3 goes "0".
Code:
Mnemonic MSB LSB
SRL %A 100001111000110F1H
SRL %B 100001111010110F5H
Flags: EICZ
↕↕
Mode: Register direct
Extended addressing: Invalid
r
C
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