matriks404 / i4040emu Goto Github PK
View Code? Open in Web Editor NEWIntel 4040 emulator written in C (discontinued/bad)
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i4040emu's Issues
1.0 TODO list.
#Emulation features
- Registers from ir0 and ir1 banks (16 and 8 registers each)
- Accumulator
- Program counter
- Test bit (it's there but not used)
- ROM support.
- ROM banks (support for changing them via instructions is there)
- RAM pointer
- Interrupts
- Clock speed
- All instructions
- NOP
- HLT
- BBS
- LCR
- OR4
- OR5
- AN6
- AN7
- DB0
- DB1
- IR0
- IR1
- EIN
- DIN
- RPM
- 0x0F NOP?
- JCN (double check this!)
- FIM
- SRC (needs also to send to ROM and RAM at x2 and x3 time in instr cycle)
- FIN
- JIN
- JUN (doesn't work properly right now)
- INC
- ISZ
- ADD
- SUB
- LD
- XCH
- BBL
- LDM
- WRM
- WMP
- WRR
- WPM
- WR0
- WR1
- WR2
- WR3
- SBM
- RDM
- RDR
- ADM
- RD0
- RD1
- RD2
- RD3
- CLB
- CLC
- IAC
- CMC
- CMA
- RAL
- RAR
- TCC
- DAC
- TCS
- STC
- DAA
- KBP
- DCL
- 0xFE-0xFF NOPs?
#Interface
- Very basic debugging info
- Useful debugger
- Specifying ROM, RAM size
- Specifying other stuff?
- Basic GUI with windows
JUN instruction is broken.
I am not sure what is happening :/
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