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Ld r,xp, Ld r,yh, Load xp into r-register – Epson 6200A User Manual

Page 60: Load yh into r-register

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Source Format:

Operation:

OP-Code:

Type:

Clock Cycles:

Flag:

Description:

Example:

Source Format:

Operation:

OP-Code:

Type:

Clock Cycles:

Flag:

Description:

Example:

MSB

LSB

MSB

LSB

C

Z

D

I

C

Z

D

I

54

EPSON

S1C6200/6200A CORE CPU MANUAL

3 INSTRUCTION SET

LD r,XP

Load XP into r-register

LD r,XP

r

XP

1

1

1

0

1

0

1

0

0

0

r

1

r

0

EA0H to EA3H

V

5

Not affected
Not affected
Not affected
Not affected

Loads the 4-bit page part of index register IX into the r-register.

LD MX,XP

LD A,XP

XP register

1111

1111

1111

A register

0010

0010

1111

Memory (MX)

0101

1111

1111

LD r,YH

Load YH into r-register

LD r,YH

r

YH

1

1

1

0

1

0

1

1

0

1

r

1

r

0

EB4H to EB7H

V

5

Not affected
Not affected
Not affected
Not affected

Loads the four high-order bits of register Y into the r-register.

LD A,YH

LD MY,YH

YH register

1010

1010

1010

A register

1100

1010

1010

Memory (MY)

1110

1110

1010