Changes
/* Instruction Set */
| SWAP || Swap Register Halves || Register [31:16] ↔ Register [15:0] || – || * || * || 0 || 0
|-
| TAS || Test and Set an Operand || (Destination) Tested → CC; 1 → ([7) ] OF Destination || – || * || * || 0 || 0
|-
| TRAP || Trap || PC → (SSP); SR → (SSP); (Vector) → PC || – || – || – || – || –