NEC PD750008 - Manual (Page 301)

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CHAPTER 11 INSTRUCTION SET
SKE XA,@HL
Function: Skip if A = (HL) and X = (HL+1)
Skips the immediately following instruction if the contents of the A register match the data at the data memory
location addressed by the HL register pair, and the contents of the X register match the data at the next address
in data memory.
However, if the contents of the L register are odd- numbered, an address with the lowest-order bit ignored
is specified.
SKE A,reg
Function: Skip if A = reg
Skips the immediately following instruction if the contents of the A register match the contents of register
reg (X, A, H, L, D, E, B, C).
SKE XA,rp’
Function: Skip if XA = rp’
Skips the immediately following instruction if the contents of the XA register pair match the contents of
register pair rp’ (XA, HL, DE, BC, XA’, HL’, DE’, BC’).
11.4.8 Carry Flag Manipulation Instructions
SET1 CY
Function: CY <– 1
Sets the carry flag.
CLR1 CY
Function: CY <– 0
Clears the carry flag.
SKT CY
Function: Skip if CY = 1
Skips the immediately following instruction if the carry flag is set to 1.