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# Loading a BS still image
You need [mkpsxiso ](https://github.com/Lameguy64/mkpsxiso ) in your $PATH to generate a PSX disk image.
## Compile
```bash
make all
```
## Clean directory
```bash
make cleansub
```
## Converting a still image to BS
`MC32` can convert these formats to BS : TIM, RGB, YUV.
### Image > TIM with img2tim
Convert your image to a 24bpp TIM with [`img2tim` ](https://github.com/Lameguy64/img2tim ):
```bash
img2tim -bpp 24 -o bs.tim bs.png
```
Then use `MC32` as instructed below.
### Image > RGB ppm with imagemagick
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You can convert your image to RGB with:
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```bash
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convert input.png RGB:output.rgb
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```
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### Image > YUV422 UYVY with imagemagick
You can convert your image to YUV with:
```bash
convert input.png UYVY:output.yuv
```
### TIM/RGB/UYVY > BS conversion
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Use the [`MC32` tool ](http://psx.arthus.net/tools/pimp-psx.zip ) conversion tool to import the image, specifying the right dimensions, and convert to `bs` with those settings :
**Note that a BS image must have a width and height that is a multiple of 16**
```
Input: RGB, Output: bs
MDEC version : 2
Custom: Size in sectors or (2048 * sector number) bytes, Variable frame size
```
![MC32 bs conversion ](https://wiki.arthus.net/assets/mc32-bs-conv.png )
## Sources & Refs
img2tim : https://github.com/Lameguy64/img2tim
MC32 : http://psx.arthus.net/tools/pimp-psx.zip
mdecnote : http://psx.arthus.net/sdk/Psy-Q/DOCS/TECHNOTE/mdecnote.pdf
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PSX RGB and YUV format : http://psx.arthus.net/sdk/Psy-Q/DOCS/Devrefs/Dataconv.pdf , p.68