This page describes the following instruction:
- Group: PAIR
- Mnemonic: sw
- Opcode: 236d, ECh
- Encoding: 1_110_1100b (PAIR_SRC_DST)
- Pseudo-code: if i!=0 then pc=sir else pc++; i--
- S:SERIAL W:WHILE
- Source is the Serial Input register (SIR).
- If I is NOT zero, set the Program Counter to source. Then in either case decrement I.
The 'S' source is a deserialised byte received over the serial bus. See Device Communication for how this works. The 'W' destination takes the source value as the target offset of a conditional jump (I != 0) to within the current code page. See In-Page Branching for more on this.