This page contains information that is eventually meant to result in a CHDK port for the A530.
Version info
The trick with the ver.req file works on the A530 as well, with the following result:
Canon PowerShot A530 P-ID:3126 PAL Firmware Ver GM1.00A No error Dec 14 2005 09:32:59
pressing DISP again results in:
Canon PowerShot A530 P-ID:3126 PAL Adj Ver.002.004
The number P-ID:3126 is a hexadecimal code for the platform version id.
Platform codes for other models:
- A620: 30FC
- A610: 30FD
- A700: 3117
- S3IS: 311A
- A710: 3138
- A640: 3139
- A630: 313A
With respect to the platform id, the A530 fits in between the S3IS and the A710, so possibly it is similar to those firmwares.
TODO
Probably the most important next step is to get a firmware image from the camera in order to know where to make patches and how to link the CHDK code to it.