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refactor load_mac_rom() into a function

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This commit is contained in:
asvitkine 2011-12-28 23:24:30 +00:00
parent cea73a29ed
commit 7930deea4d
1 changed files with 36 additions and 31 deletions
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67
SheepShaver/src/Unix/main_unix.cpp
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@ -577,13 +577,43 @@ static void get_system_info(void)
D(bug("PVR: %08x (assumed)\n", PVR));
}
static bool load_mac_rom(void)
{
uint32 rom_size, actual;
uint8 *rom_tmp;
const char *rom_path = PrefsFindString("rom");
int rom_fd = open(rom_path && *rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY);
if (rom_fd < 0) {
rom_fd = open(ROM_FILE_NAME2, O_RDONLY);
if (rom_fd < 0) {
ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
return false;
}
}
printf("%s", GetString(STR_READING_ROM_FILE));
rom_size = lseek(rom_fd, 0, SEEK_END);
lseek(rom_fd, 0, SEEK_SET);
rom_tmp = new uint8[ROM_SIZE];
actual = read(rom_fd, (void *)rom_tmp, ROM_SIZE);
close(rom_fd);
// Decode Mac ROM
if (!DecodeROM(rom_tmp, actual)) {
if (rom_size != 4*1024*1024) {
ErrorAlert(GetString(STR_ROM_SIZE_ERR));
return false;
} else {
ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
return false;
}
}
delete[] rom_tmp;
return true;
}
int main(int argc, char **argv)
{
char str[256];
int rom_fd;
const char *rom_path;
uint32 rom_size, actual;
uint8 *rom_tmp;
bool memory_mapped_from_zero, ram_rom_areas_contiguous;
const char *vmdir = NULL;
@ -936,33 +966,8 @@ int main(int argc, char **argv)
}
// Load Mac ROM
rom_path = PrefsFindString("rom");
rom_fd = open(rom_path && *rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY);
if (rom_fd < 0) {
rom_fd = open(ROM_FILE_NAME2, O_RDONLY);
if (rom_fd < 0) {
ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
goto quit;
}
}
printf("%s", GetString(STR_READING_ROM_FILE));
rom_size = lseek(rom_fd, 0, SEEK_END);
lseek(rom_fd, 0, SEEK_SET);
rom_tmp = new uint8[ROM_SIZE];
actual = read(rom_fd, (void *)rom_tmp, ROM_SIZE);
close(rom_fd);
// Decode Mac ROM
if (!DecodeROM(rom_tmp, actual)) {
if (rom_size != 4*1024*1024) {
ErrorAlert(GetString(STR_ROM_SIZE_ERR));
goto quit;
} else {
ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
goto quit;
}
}
delete[] rom_tmp;
if (!load_mac_rom())
goto quit;
// Initialize everything
if (!InitAll(vmdir))