- `INSN_stack_AF: registers[`REG_F] <= rdata;
- `INSN_stack_BC: registers[`REG_C] <= rdata;
- `INSN_stack_DE: registers[`REG_E] <= rdata;
- `INSN_stack_HL: registers[`REG_L] <= rdata;
+ `INSN_stack_AF: `_F <= rdata;
+ `INSN_stack_BC: `_C <= rdata;
+ `INSN_stack_DE: `_E <= rdata;
+ `INSN_stack_HL: `_L <= rdata;