| // | x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | xA | xB | xC | xD | xE | xF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0x | LDA $X | LDB $X | LDD $X | LDX $X | LDY $X | LDH $X | LDL $X | LDS $X | STA $X | STB $X | STD $X | STX $X | STY $X | STH $X | STL $X | STZ $X |
| 1x | LDA $Y | LDB $Y | LDD $Y | LDX $Y | LDY $Y | LDH $Y | LDL $Y | LDS $Y | STA $Y | STB $Y | STD $Y | STX $Y | STY $Y | STH $Y | STL $Y | STZ $Y |
| 2x | LDA imm | LDB imm | LDD imm | LDX imm | LDY imm | LDH imm | LDL imm | LDS imm | SRA | SRB | SLA | SLB | NGA | NGB | INX | INY |
| 3x | ADA B | ADB A | SBA B | SBB A | ANA B | ANB A | ORA B | ORB A | EXA B | EXB A | PSH A | PSH B | PSH D | PSH X | PSH Y | PSH imm |
| 4x | ADA D | ADB D | SBA D | SBB D | ANA D | ANB D | ORA D | ORB D | EXA D | EXB D | POP A | POP B | POP D | POP X | POP Y | RET |
| 5x | ADA X | ADB X | SBA X | SBB X | ANA X | ANB X | ORA X | ORB X | EXA X | EXB X | JMP X | JMP Y | JMP imm | JSR X | JSR Y | JSR imm |
| 6x | ADA Y | ADB Y | SBA Y | SBB Y | ANA Y | ANB Y | ORA Y | ORB Y | EXA Y | EXB Y | JAZ X | JAZ Y | JAZ imm | JBZ X | JBZ Y | JBZ imm |
| 7x | ADA imm | ADB imm | SBA imm | SBB imm | ANA imm | ANB imm | ORA imm | ORB imm | EXA imm | EXB imm | JAN X | JAN Y | JAN imm | JBN X | JBN Y | JBN imm |
| 8x | JEQ X | JEQ Y | JEQ imm | JNE X | JNE Y | JNE imm | MSX | MSY | MXS | MYS | JGT X | JGT Y | JGT imm | JLS X | JLS Y | JLS imm |
| 9x | JCR X | JCR Y | JCR imm | JNC X | JNC Y | JNC imm | SW1 | SW2 | SW3 | SW4 | NOP | SET | MOV | MHL | MLH | THL |
| Ax | MAB | MAD | MAX | MAY | MBA | MBD | MBX | MBY | MDA | MDB | MDX | MDY | MXA | MXB | MXD | MXY |
| Bx | MYA | MYB | MYD | MYX | TAB | TAD | TAX | TAY | TBD | TBX | TBY | TDX | TDY | TXY | DEX | DEY |
| Cx | ||||||||||||||||
| Dx | ||||||||||||||||
| Ex | ||||||||||||||||
| Fx |
HLT: Doesn't increment IP -> Halts CPU
JSR: Pushes IP AFTER increment
M--/T--: First goes the destination, then the source
$-: Value at address
0x0000 - 0x3FFF: OS ROM 0x4000 - 0x4FFF: Devices:
- 0x4000: Current RAM bank(read and write)
- 0x4001: Total number of banks(read only)
- 0x4002: Serial port(read and write) 0x5000 - 0x5FFF: Fixed RAM 0x6000 - 0x7FFF: Video RAM(240x150, 4 colors + black) 0x8000 - 0xFFFF: Banked RAM