Index of Instructions
Load and Exchange Instructions
Arithmetic and Logic Instructions
Stack and Jump Instructions
IO and Block Instructions
Key to Letters Used
Certain letters (these may be in dark red italics if your browser supports CSS) are used to mean special things. The meanings of these are listed below. The letters may seem slightly strange - most of them were taken from the z80 Technical Data, I've added a few more and removed a few for clarity.
| Symbol | Meaning |
|---|---|
| r, r2 | Any of a, b, c, d, e, h or l |
| n | Any 8 bit number |
| nn | Any 16 bit number |
| dd | Any of bc, de, hl or sp |
| ii | Either ix or iy |
| d | An 8 bit offset in index relative form (between $0 and $ff) |
| e | An 8 bit offset in Program Counter relative form |
| pp | Any of bc, de, ix or sp |
| rr | Any of bc, de, iy or sp |
| Any of bc, de, hl or af | |
| cc | Any of the conditions nz, z, nc, c, po, pe, p or m |
| ff | Any of the conditions c, nc, z or nz |
| p | Any of $00, $08, $10, $18, $20, $28, $28, $30 or $38 |
