CHIPS.EXE

This is a disassembly of Chip's Challenge for Windows 95.

It builds the following executable:

• CHIPS.EXE sha256: 8e26acd67cf120bd5b512de4b4e78b80aca1579413cd04f3b2b68909a375866c

Progress

All of the code has been disassembled.

The core game logic has been extensively commented; see logic.asm and movement.asm. Almost all of the game's memory has been mapped out; see data.asm and structs.asm. If you are interested in the address of a particular variable, check out variables.asm.

The rest of the code has been disassembled but may lack useful function/data labels and comments.

Segment	Disassembled	Labels	Comments	Filename / purpose
1	yes	func	few	crt.asm - C runtime
2	yes	some	some	seg2.asm - UI / WinMain
3	yes	yes	some	logic.asm - tile logic
4	yes	some	no	seg4.asm - levelset I/O
5	yes	yes	yes	seg5.asm - tile graphics
6	yes	few	no	seg6.asm - dialog boxes
7	yes	yes	yes	movement.asm - chip & creature movement
8	yes	some	some	sound.asm - sound effects & MIDI
9	yes	yes	yes	digits.asm - counter graphics
10	yes	yes	some	data.asm

News

• 2020-11-21 Every segment has been disassembled! You can now build chips.exe from scratch, without a copy of the original game. Thanks to @zrax for supplying the last segment (crt.asm).

• 2020-11-21 Code segments are now completely shiftable, meaning that you can add/remove instructions without worring about changing code offsets.

• 2020-11-14 We have a linker! Building now requires Go (to build the linker).

Community

Join the Bit Busters Discord.

Dependencies

To build, you'll need the following programs installed:

• make
• nasm >= 2.14
• awk
• golang

Go is required for building the linker and (optionally) some other tools.

Some tools require python3, but they aren't used in the build.

Building

1. (optional) Copy the game executable to base.exe in this directory

2. Run make

3. (optional) Run make check to compare the output with the base image.