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// ROM file names |
35 |
+ |
#ifndef DATADIR |
36 |
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#define DATADIR |
37 |
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#endif |
38 |
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|
39 |
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#ifdef __riscos__ |
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#define BASIC_ROM_FILE "FrodoRsrc:Basic_ROM" |
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#define KERNAL_ROM_FILE "FrodoRsrc:Kernal_ROM" |
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#define CHAR_ROM_FILE "FrodoRsrc:Char_ROM" |
43 |
< |
#define FLOPPY_ROM_FILE "FrodoRsrc:1541_ROM" |
43 |
> |
#define DRIVE_ROM_FILE "FrodoRsrc:1541_ROM" |
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#else |
45 |
< |
#define BASIC_ROM_FILE "Basic ROM" |
46 |
< |
#define KERNAL_ROM_FILE "Kernal ROM" |
47 |
< |
#define CHAR_ROM_FILE "Char ROM" |
48 |
< |
#define FLOPPY_ROM_FILE "1541 ROM" |
45 |
> |
#define BASIC_ROM_FILE DATADIR "Basic ROM" |
46 |
> |
#define KERNAL_ROM_FILE DATADIR "Kernal ROM" |
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#define CHAR_ROM_FILE DATADIR "Char ROM" |
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#define DRIVE_ROM_FILE DATADIR "1541 ROM" |
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#endif |
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52 |
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// Builtin ROMs |
53 |
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#include "Basic_ROM.h" |
54 |
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#include "Kernal_ROM.h" |
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#include "Char_ROM.h" |
56 |
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#include "1541_ROM.h" |
57 |
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|
58 |
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|
59 |
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/* |
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* Load C64 ROM files |
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*/ |
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|
63 |
< |
bool Frodo::load_rom_files(void) |
63 |
> |
void Frodo::load_rom(const char *which, const char *path, uint8 *where, size_t size, const uint8 *builtin) |
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{ |
65 |
< |
FILE *file; |
66 |
< |
|
67 |
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// Load Basic ROM |
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if ((file = fopen(BASIC_ROM_FILE, "rb")) != NULL) { |
69 |
< |
if (fread(TheC64->Basic, 1, 0x2000, file) != 0x2000) { |
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< |
ShowRequester("Can't read 'Basic ROM'.", "Quit"); |
60 |
< |
return false; |
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} |
62 |
< |
fclose(file); |
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< |
} else { |
64 |
< |
ShowRequester("Can't find 'Basic ROM'.", "Quit"); |
65 |
< |
return false; |
66 |
< |
} |
67 |
< |
|
68 |
< |
// Load Kernal ROM |
69 |
< |
if ((file = fopen(KERNAL_ROM_FILE, "rb")) != NULL) { |
70 |
< |
if (fread(TheC64->Kernal, 1, 0x2000, file) != 0x2000) { |
71 |
< |
ShowRequester("Can't read 'Kernal ROM'.", "Quit"); |
72 |
< |
return false; |
73 |
< |
} |
74 |
< |
fclose(file); |
75 |
< |
} else { |
76 |
< |
ShowRequester("Can't find 'Kernal ROM'.", "Quit"); |
77 |
< |
return false; |
78 |
< |
} |
79 |
< |
|
80 |
< |
// Load Char ROM |
81 |
< |
if ((file = fopen(CHAR_ROM_FILE, "rb")) != NULL) { |
82 |
< |
if (fread(TheC64->Char, 1, 0x1000, file) != 0x1000) { |
83 |
< |
ShowRequester("Can't read 'Char ROM'.", "Quit"); |
84 |
< |
return false; |
85 |
< |
} |
86 |
< |
fclose(file); |
87 |
< |
} else { |
88 |
< |
ShowRequester("Can't find 'Char ROM'.", "Quit"); |
89 |
< |
return false; |
65 |
> |
FILE *f = fopen(path, "rb"); |
66 |
> |
if (f) { |
67 |
> |
size_t actual = fread(where, 1, size, f); |
68 |
> |
fclose(f); |
69 |
> |
if (actual == size) |
70 |
> |
return; |
71 |
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} |
72 |
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|
73 |
< |
// Load 1541 ROM |
74 |
< |
if ((file = fopen(FLOPPY_ROM_FILE, "rb")) != NULL) { |
75 |
< |
if (fread(TheC64->ROM1541, 1, 0x4000, file) != 0x4000) { |
76 |
< |
ShowRequester("Can't read '1541 ROM'.", "Quit"); |
96 |
< |
return false; |
97 |
< |
} |
98 |
< |
fclose(file); |
99 |
< |
} else { |
100 |
< |
ShowRequester("Can't find '1541 ROM'.", "Quit"); |
101 |
< |
return false; |
102 |
< |
} |
73 |
> |
// Use builtin ROM |
74 |
> |
printf("%s ROM file (%s) not readable, using builtin.\n", which, path); |
75 |
> |
memcpy(where, builtin, size); |
76 |
> |
} |
77 |
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|
78 |
< |
return true; |
78 |
> |
void Frodo::load_rom_files() |
79 |
> |
{ |
80 |
> |
load_rom("Basic", BASIC_ROM_FILE, TheC64->Basic, BASIC_ROM_SIZE, builtin_basic_rom); |
81 |
> |
load_rom("Kernal", KERNAL_ROM_FILE, TheC64->Kernal, KERNAL_ROM_SIZE, builtin_kernal_rom); |
82 |
> |
load_rom("Char", CHAR_ROM_FILE, TheC64->Char, CHAR_ROM_SIZE, builtin_char_rom); |
83 |
> |
load_rom("1541", DRIVE_ROM_FILE, TheC64->ROM1541, DRIVE_ROM_SIZE, builtin_drive_rom); |
84 |
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} |
85 |
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86 |
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