Filter
Top Products
S1C63000 CORE CPU MANUAL EPSON 111
CHAPTER 4: INSTRUCTION SET
LDB %sp,%BA Load BA reg. into stack pointer 1 cycle
Function: sp ← BA
Loads the content of the BA register into the stack pointer sp (SP1 or SP2).
Code: Mnemonic MSB LSB
LDB %SP1,%BA 111111100010X1FC4H, (1FC5H)
LDB %SP2,%BA 111111100011X1FC6H, (1FC7H)
Flags: EICZ
↓ –––
Mode: Src: Register direct
Dst: Register direct
Extended addressing: Invalid
NOP No operation 1 cycle
Function: No operation (PC ← PC+1)
Expends 1 cycle without doing an operation that otherwise exerts an affect. The PC (program
counter) is incremented.
Code:
Mnemonic MSB LSB
NOP 111111111111X1FFEH, (1FFFH)
Flags: EICZ
↓ –––