The following instructions are part of Agilla's extended ISA. They require an extra byte of code to switch the agent VM into an extended ISA mote. Thus, each instruction consumes at least two bytes. The extended ISA consists of 13 modes, each with up to 256 instructions. When an agent encounters an extended instruction, it automatically switches to the appropriate mode. The programmer does not need to manually switch the processor into an extended mode.
Instruction |
Short Description | Opcode | |
| shiftl | Shift left | 0x00 | |
| shiftr | Shift right | 0x01 | |
| depth | Push depth of op stack onto stack | 0x02 | |
| err | Put the mote into an error mode | 0x03 | |
| tcount | counts the number of tuples in the local tuple space that match a template | 0x04 | |
| routgs | Sequential group remote out | 0x05 | |
| remove | Remove tuple from tuple space | 0x06 | |
| hid | Pushes the host ID onto the stack | 0x07 | |
| locToValue | Converts a location to a value | 0x08 | |
| rrdpgs | serial remote rdpg operation (reliable rrdpg) | 0x09 | |
| sub | Subtract | 0x0a |
Instruction |
Short Description | Opcode | |
| egetvar | Fetches a variable from the heap | 0x80-0xbf | |
| esetvar | Stores a variable onto the heap | 0xc0-0xff |
Instruction |
Short Description | Opcode | |