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update Test_C64() to read load address

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Thomas Bernard 2018-11-08 17:01:28 +01:00
parent f3ba6d3205
commit 2008675d29
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1 changed files with 32 additions and 4 deletions
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36
src/miscfileformats.c
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@ -2216,25 +2216,53 @@ void Save_NEO(T_IO_Context * context)
//////////////////////////////////// C64 ////////////////////////////////////
/**
* Test for a C64 picture file
*
* Checks the file size and the load address
*
* http://unusedino.de/ec64/technical/formats/bitmap.html
* http://codebase64.org/doku.php?id=base:c64_grafix_files_specs_list_v0.03
*/
void Test_C64(T_IO_Context * context, FILE * file)
{
long file_size;
word load_addr;
(void)context;
file_size = File_length_file(file);
// First test for formats without load address
switch (file_size)
{
// case 1000: // screen or color
// case 1002: // (screen or color) + loadaddr
case 8000: // raw bitmap
case 8002: // raw bitmap with loadaddr
case 9000: // bitmap + ScreenRAM
case 9002: // bitmap + ScreenRAM + loadaddr
case 10001: // multicolor
case 10003: // multicolor + loadaddr
case 17472: // FLI (BlackMail)
File_error = 0;
return;
default: // then we don't know for now.
if (!Read_word_le(file, &load_addr))
{
File_error = 1;
return;
}
}
GFX2_Log(GFX2_DEBUG, "Test_C64() file_size=%ld LoadAddr=$%04X\n", file_size, load_addr);
switch (file_size)
{
// case 1002: // (screen or color) + loadaddr
case 8002: // raw bitmap with loadaddr
case 9002: // bitmap + ScreenRAM + loadaddr
case 10003: // multicolor + loadaddr
// $6000 => Koala Painter
case 17409:
// $3c00 => FLI-designer v1.1
// ? $3ff0 => FLI designer 2 ?
case 17474: // FLI (BlackMail) + loadaddr
// $3b00 => FLI Graph 2
case 10277: // multicolor CDU-Paint + loadaddr
// $7EEF
File_error = 0;
break;
default: // then we don't know for now.