BIOSF LOADFILE: Difference between revisions
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== BIOSF_LOADFILE ($C00552): Load file from CD (with animation) == | ==BIOSF_LOADFILE ($C00552): Load file from CD (with animation)== | ||
A0 points to a file information block made of: | A0 points to a file information block made of: | ||
*The file name, ends with 0 (12 byte max) | * The file name, ends with 0 (12 byte max) | ||
*The destination bank (8bit) | * The destination bank (8bit) | ||
*Eventual padding byte to align the destination | * Eventual padding byte to align the destination | ||
*Destination (32bit) | * Destination (32bit) | ||
Example | Example: | ||
For [[FIX file|FIX]], [[Z80 file|Z80]] (, [[PAT file|PAT]] ?) and [[PCM file|PCM]] files, the destination is multiplied by 2 (8bit busses). | <pre> | ||
"STAGE_2.SPR" | |||
0x02 | |||
0x00 | |||
0x00001600 | |||
</pre> | |||
Loads '''STAGE_2.SPR''' at '''$201600''' in the sprite [[DRAM]]. | |||
For [[FIX file|FIX]], [[Z80 file|Z80]] (, [[PAT file|PAT]] ?) and [[PCM file|PCM]] files, the destination address is multiplied by 2 (8bit busses). | |||
The destination memory is automatically chosen according to the file's extension. | The destination memory is automatically chosen according to the file's extension. | ||
[[Category:BIOS calls]] | [[Category:BIOS calls]] | ||
Revision as of 05:02, 28 February 2017
BIOSF_LOADFILE ($C00552): Load file from CD (with animation)
A0 points to a file information block made of:
- The file name, ends with 0 (12 byte max)
- The destination bank (8bit)
- Eventual padding byte to align the destination
- Destination (32bit)
Example:
"STAGE_2.SPR" 0x02 0x00 0x00001600
Loads STAGE_2.SPR at $201600 in the sprite DRAM.
For FIX, Z80 (, PAT ?) and PCM files, the destination address is multiplied by 2 (8bit busses).
The destination memory is automatically chosen according to the file's extension.