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View Code? Open in Web Editor NEWA 6502 CPU emulator with a 32x32 display input device and ability to step through asm code
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Drivers?
Not sure about this one but,
I'd like to simulate drivers. An external piece of code or program or a module that can update a specific memory region.
For example, a keyboard driver. We can set aside 2 bytes in some memory region to hold 2 keys that are down. The drivers work would be to read the keyboard keys and update the values.
Or, a mouse driver.
Implement tests for instructions
Below is the current progress of the instruction tests that have been implemented and those that are yet to be implemented
- ADC
- AND
- ASL
- BCC
- BCS
- BEQ
- BIT
- BMI
- BNE
- BPL
- BRK
- BVC
- CLC
- CLD
- CLI
- CLV
- CMP
- CPX
- CPY
- DEC
- DEX
- DEY
- EOR
- INC
- INX
- INY
- JMP
- JSR
- LDA
- LDX
- LDY
- LSR
- NOP
- ORA
- PHA
- PHP
- PLA
- PLP
- ROL
- ROR
- RTI
- RTS
- SBC
- SEC
- SED
- SEI
- STA
- STX
- STY
- TAX
- TAY
- TSX
- TXA
- TXS
- TYA
Compile source code and write to a .bin file
Configuration file
Loading configurations from a file
Support for DCB "instruction" in the lexer
Implementaiton of instructions progress
Below is the current progress of the instructions that have been implemented and those that are yet to be implemented
- ADC
- AND
- ASL
- BCC
- BCS
- BEQ
- BIT
- BMI
- BNE
- BPL
- BRK
- BVC
- CLC
- CLD
- CLI
- CLV
- CMP
- CPX
- CPY
- DEC
- DEX
- DEY
- EOR
- INC
- INX
- INY
- JMP
- JSR
- LDA
- LDX
- LDY
- LSR
- NOP
- ORA
- PHA
- PHP
- PLA
- PLP
- ROL
- ROR
- RTI
- RTS
- SBC
- SEC
- SED
- SEI
- STA
- STX
- STY
- TAX
- TAY
- TSX
- TXA
- TXS
- TYA
Create a debug UI for the CPU properties
A dialog for inspecting the registers and maybe the memory view
Read asm code from file
The source code should be obtained from a file on disk
High level language?
It'd be cool if there was a highlevel language that'll compile to the assembley language,
Doesn't have to be a complete language, a subset of C maybe?
Check for already defined labels in the lexer
src/lexer.rs:568
Before inserting a label, check if it already exists.
If it exists panic.
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