EXAPUNKS EXA Instructions

Data Movement

COPY R/N R Copy value to register

ADDI R/N R/N R Add and store result

SUBI R/N R/N R Subtract and store result

MULI R/N R/N R Multiply and store result

DIVI R/N R/N R Divide and store result

MODI R/N R/N R Modulo and store result

SWIZ R/N R/N R Extract digits from value

Control Flow

MARK L Define a label

JUMP L Unconditional jump to label

TJMP R/N L Jump if value > 0

FJMP R/N L Jump if value ≤ 0

TEST R/N = R/N Test equality (>, <, =, ≠)

HALT Terminate EXA execution

Communication

LINK R/N Move through network link

HOST R Get current host identifier

MODE Toggle between local/global mode

VOID M Discard message from M register

File Operations

GRAB R/N Hold file by ID

FILE R Get held file ID

SEEK R/N Move file cursor position

DROP Release held file

WIPE Delete held file

MAKE Create new file

EXA Management

REPL L Replicate EXA, jump to label

NOOP No operation (wait 1 cycle)

KILL Destroy EXA

Registers & Values

X

T

F

M

X, T: General purpose registers
F: File I/O register
M: Message passing register