||Rabbit Documents and Resources
The Rabbit is a near clone of the Zilog Z180.
It has some missing instructions, mostly replaced with different instructions.
Z180 opcodes missing on the Rabbit
DAA, HALT, DI, EI, IM 0, IM 1, IM 2, OUT, IN, OUT0, IN0, SLP, OUTI, IND,
OUTD, INIR, OTIR, INDR, OTDR, TESTIO, MLT SP, RRD, RLD, CPI, CPIR, CPD,
CPDR, RST 00, RST 08, RST 30, CALL CC,dest, TST R ((HL),n)
Z180 opcodes changed on the Rabbit
EX (SP),HL - old opcode E3, new opcode - ED 54
Z180 opcodes with different mnemomics on the Rabbit
LD A,R -> LD A,EIR
LD R,A -> LD EIR,A
LD I,A -> LD IIR,A
LD A,I -> LD A,IIR
Authored by J.G.Harston
- Last update: 04-Jul-2008