SONIX SN8P2624 - Page 28

SN8P2624
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 28 Version 0.3
If the destination increased by 1, which results overflow of 0xFF to 0x00, the PC will add 2 steps to skip next
instruction.
INCS instruction:
INCS
BUF0
JMP C0STEP ; Jump to C0STEP if ACC is not zero.
…
…
C0STEP: NOP
INCMS instruction:
INCMS
BUF0
JMP C0STEP ; Jump to C0STEP if BUF0 is not zero.
…
…
C0STEP: NOP
If the destination decreased by 1, which results underflow of 0x00 to 0xFF, the PC will add 2 steps to skip next
instruction.
DECS instruction:
DECS
BUF0
JMP C0STEP ; Jump to C0STEP if ACC is not zero.
…
…
C0STEP: NOP
DECMS instruction:
DECMS
BUF0
JMP C0STEP ; Jump to C0STEP if BUF0 is not zero.
…
…
C0STEP: NOP