NEC PD750008 - Manual (Page 303)

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CHAPTER 11 INSTRUCTION SET
Skips the immediately following instruction if the bit specified by the 2-bit immediate data bit at the address
specified by the 8-bit immediate data mem is 1.
SKT fmem.bit
SKT pmem.@L
SKT @H+mem.bit
Function: Skip if (bit specified in operand) = 1
Skips the immediately following instruction if the bit in data memory specified by bit manipulation addressing
(fmem.bit, pmem.@L, @H+mem.bit) is set to 1.
SKF mem.bit
Function: Skip if (mem.bit) = 0
mem = D
7-0
: 00H-FFH, bit = B
1-0
: 0–3
Skips the immediately following instruction if the bit specified by the 2-bit immediate data bit at the address
specified by the 8-bit immediate data mem is 0.
SKF fmem.bit
SKF pmem.@L
SKF @H+mem.bit
Function: Skip if (bit specified in operand) = 0
Skips the immediately following instruction if the bit in data memory specified by bit manipulation addressing
(fmem.bit, pmem.@L, @H+mem.bit) is 0.
SKTCLR fmem.bit
SKTCLR pmem.@L
SKTCLR @H+mem.bit
Function: Skip if (bit specified in operand) = 1 then clear
Skips the immediately following instruction if the bit in data memory specified by bit manipulation addressing
(fmem.bit, pmem.@L, @H+mem.bit) is 1, then clears the bit to 0.