CHAPTER 4: INSTRUCTION SET

 

 

SET [addr6],imm2 Set bit imm2 in location [addr6]

2 cycles

Function: [addr6] ← [addr6] ∨ (2imm2)

 

(addr6 = 0000H–003FH or FFC0H–FFFFH)

 

Sets the bit specified with the imm2 in the data memory specified with the addr6 to "1".

Code:

Mnemonic

MSB

 

 

 

 

 

 

 

 

 

 

LSB

 

 

SET [00addr6],imm2

1

 

0

1

1

0

i1

i0

a5

a4

a3

a2

a1

a0

1600H–16FFH

 

SET [FFaddr6],imm2

1

 

0

1

1

1

i1

i0

a5

a4

a3

a2

a1

a0

1700H–17FFH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flags:

E

 

I

C

 

Z

 

 

 

 

 

 

 

 

 

 

 

 

 

↓

 

–

–

 

↕

 

 

 

 

 

 

 

 

 

 

 

 

Mode:

Src:

Immediate data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dst:

6-bit absolute

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Extended addressing: Invalid

SLL %r

 

 

 

 

 

 

Shift left r reg. logical

1 cycle

Function: C

 

 

 

 

 

 

 

0 r

 

3

2

1

0

 

 

 

 

 

 

Shifts the content of the r register (A or B) to the left for 1 bit. Bit 3 of the r register moves to the C flag and bit 0 goes "0".

Code:

Mnemonic

 

 

MSB

 

 

 

 

 

 

 

 

 

 

LSB

 

 

SLL %A

 

 

 

1

 

0

0

0

0

1

1

1

1

0

0

0

 

0

10F0H

 

SLL %B

 

 

 

1

 

0

0

0

0

1

1

1

1

0

1

0

 

0

10F4H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flags:

E

 

I

 

C

 

Z

 

 

 

 

 

 

 

 

 

 

 

 

 

 

↓

 

–

 

↕

 

 

↕

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode:

Register direct

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Extended addressing: Invalid

 

 

 

 

 

 

 

 

 

 

 

 

S1C63000 CORE CPU MANUAL

EPSON

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