Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Manual do Utilizador Página 54

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5 INSTRUCTION SET
46
EPSON
S1C33 FAMILY C33 PE CORE MANUAL
5.17 Other Instructions
Flag control instructions
The C33 PE Core has had new instructions added that enable the PSR flags to be manipulated directly. As
these flag control instructions can set and clear flags bitwise, it is possible to control interrupts by enabling or
disabling in one instruction.
psrset imm5 Sets the PSR bit specified by imm5[2:0] (04) to 1
psrclr imm5 Clears the PSR bit specified by imm5[2:0] (04) to 0
The contents of PSR are not altered when the
imm5 is 5 or more.
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