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45.0 4.0 3.0 4.62 MB

A CHIP-8 variant emulation and development environment

License: MIT License

CMake 1.41% C++ 88.76% C 3.17% HTML 1.31% Python 2.98% Makefile 0.01% Roff 2.37%

chip-8 chip-8-assembler chip-8-debugger chip8-emulator super-chip xo-chip chip8 megachip8 cosmac-vip dream6800

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tysonliddell meowboy326

cadmium's Issues

Add a feature to switch to an easy PRNG with set-able seed for trace log generation.

Feature will be used for comparing trace logs to live machine state being debugged.

Emulator crashes when trying to open a file in a folder of many files

I use Windows x64 version of Cadmium and when I try to open my Chip-8 folder (with 750 files!) the emulator crashes. Here is the log

[2024-05-01T03:06:26.571Z][INFO] : Initializing raylib 4.6-dev
[2024-05-01T03:06:26.571Z][INFO] : Supported raylib modules:
[2024-05-01T03:06:26.571Z][INFO] :     > rcore:..... loaded (mandatory)
[2024-05-01T03:06:26.571Z][INFO] :     > rlgl:...... loaded (mandatory)
[2024-05-01T03:06:26.571Z][INFO] :     > rshapes:... loaded (optional)
[2024-05-01T03:06:26.571Z][INFO] :     > rtextures:. loaded (optional)
[2024-05-01T03:06:26.571Z][INFO] :     > rtext:..... loaded (optional)
[2024-05-01T03:06:26.571Z][INFO] :     > rmodels:... loaded (optional)
[2024-05-01T03:06:26.571Z][INFO] :     > raudio:.... loaded (optional)
[2024-05-01T03:06:26.955Z][INFO] : DISPLAY: Device initialized successfully
[2024-05-01T03:06:26.955Z][INFO] :     > Display size: 1920 x 1080
[2024-05-01T03:06:26.958Z][INFO] :     > Screen size:  512 x 420
[2024-05-01T03:06:26.958Z][INFO] :     > Render size:  512 x 420
[2024-05-01T03:06:26.958Z][INFO] :     > Viewport offsets: 0, 0
[2024-05-01T03:06:26.962Z][INFO] : GLAD: OpenGL extensions loaded successfully
[2024-05-01T03:06:26.962Z][INFO] : GL: Supported extensions count: 386
[2024-05-01T03:06:26.962Z][INFO] : GL: OpenGL device information:
[2024-05-01T03:06:26.962Z][INFO] :     > Vendor:   NVIDIA Corporation
[2024-05-01T03:06:26.962Z][INFO] :     > Renderer: NVIDIA GeForce GTX 960/PCIe/SSE2
[2024-05-01T03:06:26.962Z][INFO] :     > Version:  3.3.0 NVIDIA 552.12
[2024-05-01T03:06:26.962Z][INFO] :     > GLSL:     3.30 NVIDIA via Cg compiler
[2024-05-01T03:06:26.962Z][INFO] : GL: VAO extension detected, VAO functions loaded successfully
[2024-05-01T03:06:26.962Z][INFO] : GL: NPOT textures extension detected, full NPOT textures supported
[2024-05-01T03:06:26.962Z][INFO] : GL: DXT compressed textures supported
[2024-05-01T03:06:26.962Z][INFO] : GL: ETC2/EAC compressed textures supported
[2024-05-01T03:06:26.962Z][INFO] : TEXTURE: [ID 1] Texture loaded successfully (1x1 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:26.962Z][INFO] : TEXTURE: [ID 1] Default texture loaded successfully
[2024-05-01T03:06:26.963Z][INFO] : SHADER: [ID 1] Vertex shader compiled successfully
[2024-05-01T03:06:26.963Z][INFO] : SHADER: [ID 2] Fragment shader compiled successfully
[2024-05-01T03:06:26.964Z][INFO] : SHADER: [ID 3] Program shader loaded successfully
[2024-05-01T03:06:26.964Z][INFO] : SHADER: [ID 3] Default shader loaded successfully
[2024-05-01T03:06:26.964Z][INFO] : RLGL: Render batch vertex buffers loaded successfully in RAM (CPU)
[2024-05-01T03:06:26.966Z][INFO] : RLGL: Render batch vertex buffers loaded successfully in VRAM (GPU)
[2024-05-01T03:06:26.966Z][INFO] : RLGL: Default OpenGL state initialized successfully
[2024-05-01T03:06:26.969Z][INFO] : TEXTURE: [ID 2] Texture loaded successfully (128x128 | GRAY_ALPHA | 1 mipmaps)
[2024-05-01T03:06:26.969Z][INFO] : FONT: Default font loaded successfully (224 glyphs)
[2024-05-01T03:06:27.006Z][INFO] : AUDIO: Device initialized successfully
[2024-05-01T03:06:27.006Z][INFO] :     > Backend:       miniaudio / WASAPI
[2024-05-01T03:06:27.006Z][INFO] :     > Format:        32-bit IEEE Floating Point -> 32-bit IEEE Floating Point
[2024-05-01T03:06:27.006Z][INFO] :     > Channels:      2 -> 2
[2024-05-01T03:06:27.006Z][INFO] :     > Sample rate:   48000 -> 48000
[2024-05-01T03:06:27.006Z][INFO] :     > Periods size:  1440
[2024-05-01T03:06:27.006Z][INFO] : STREAM: Initialized successfully (44100 Hz, 16 bit, Mono)
[2024-05-01T03:06:27.006Z][INFO] : TIMER: Target time per frame: 16.667 milliseconds
[2024-05-01T03:06:27.006Z][INFO] : TEXTURE: [ID 3] Texture loaded successfully (512x420 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.006Z][INFO] : TEXTURE: [ID 1] Depth renderbuffer loaded successfully (32 bits)
[2024-05-01T03:06:27.008Z][INFO] : FBO: [ID 1] Framebuffer object created successfully
[2024-05-01T03:06:27.009Z][INFO] : TEXTURE: [ID 4] Texture loaded successfully (256x256 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.010Z][INFO] : TEXTURE: [ID 5] Texture loaded successfully (256x192 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.012Z][INFO] : TEXTURE: [ID 6] Texture loaded successfully (256x512 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.012Z][INFO] : TEXTURE: [ID 7] Texture loaded successfully (256x192 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.012Z][INFO] : IMAGE: Data loaded successfully (128x64 | R8G8B8 | 1 mipmaps)
[2024-05-01T03:06:27.012Z][INFO] : IMAGE: Data loaded successfully (128x24 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.012Z][INFO] : TEXTURE: [ID 8] Texture loaded successfully (40x40 | R8G8B8A8 | 1 mipmaps)
[2024-05-01T03:06:27.012Z][INFO] : TEXTURE: [ID 2] Depth renderbuffer loaded successfully (32 bits)
[2024-05-01T03:06:27.013Z][INFO] : FBO: [ID 2] Framebuffer object created successfully
[2024-05-01T03:06:27.017Z][INFO] : TEXTURE: [ID 9] Texture loaded successfully (128x64 | R8G8B8 | 1 mipmaps)
[2024-05-01T03:06:27.018Z][INFO] : Loading known file with sha1: 607c4f7f4e4dce9f99d96b3182bfe7e88bb090ee

Feature request: Add CLI flag to specify opcode variant

Running a source file containing SCHIP or XO-CHIP instructions (ie hires) with -r / --run appears to only partially work.

For example, hires assembles correctly to 00FF, but the instruction is interpreted in CHIP-8 mode and produces an invalid opcode error.

It would be easier to allow manually specifying the opcode variant as a CLI flag than to try to write auto-detect logic.

Feature Request: Add support for using external editors via CLI execution

What

A way to directly start executing & debugging Octo source from the CLI.

At the moment, cadmium -r source.8o loads to the editor rather than immediately compiling & running it.

How

Two options seem easiest:

Execution-specific commands like c-octo's octo-cli and octo-run
Args to force build & debug instead of editing source.

Why

This is probably easier and more generally useful than shoehorning vim keybindings into Cadmium.

If this feature is already present, then it may need to be documented more clearly.

Disassembly view in debugger has inconsistent indenting

The code disassembly panel debugger indents opcodes following an if opcode, but only in the lower part of the listing. It should show consistent behavior.

Error in BBnn opcode of VIP-CHIP-8E (v1.1.8)

The BBnn opcode in the v1.1.8 VIP-CHIP-8E mode isn't working correctly. The CDP1802 opcode that should be subtracting the distance was typed as E7 (SEX R7) but is an F7 (SM) for it to work. This also corresponds to the listing of the interpreter.

High-level emulation doesn't finish frame with correct instruction number (v1.1.8)

If during a frame breakpoints are hit or debug stepping takes place, the next run doesn't respect the already started frame and starts a new one.

The CPD1802 disassembler wrongly sees 0x7C, 0x7D and 0x7F as one byte opcodes (v1.1.8)

The opcode disassembler of the CDP1802 omits the argument bytes of 0x7C (ADCI #<imm>), 0x7D (SDBI #<imm>) and 0x7F (SMBI #`), showing them as single byte opcodes instead of two byte.

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