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Fixed breakage caused by a change in how the byte for ROM_FILL is represented with recent changes

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This commit is contained in:
Nathan Woods 2016-08-01 17:57:59 -04:00
parent 871656c98c
commit a2b0b2fbd4
1 changed files with 8 additions and 5 deletions
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13
src/emu/romload.cpp
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@ -804,22 +804,25 @@ void rom_load_manager::fill_rom_data(const rom_entry *romp)
int skip = ROM_GETSKIPCOUNT(romp);
UINT8 *base = m_region->base() + ROM_GETOFFSET(romp);
/* make sure we fill within the region space */
// make sure we fill within the region space
if (ROM_GETOFFSET(romp) + numbytes > m_region->bytes())
fatalerror("Error in RomModule definition: FILL out of memory region space\n");
/* make sure the length was valid */
// make sure the length was valid
if (numbytes == 0)
fatalerror("Error in RomModule definition: FILL has an invalid length\n");
/* fill the data (filling value is stored in place of the hashdata) */
// for fill bytes, the byte that gets filled is the first byte of the hashdata string
UINT8 fill_byte = (UINT8)atoi(ROM_GETHASHDATA(romp));
// fill the data (filling value is stored in place of the hashdata)
if(skip != 0)
{
for (int i = 0; i < numbytes; i+= skip + 1)
base[i] = (FPTR)ROM_GETHASHDATA(romp) & 0xff;
base[i] = fill_byte;
}
else
memset(base, (FPTR)ROM_GETHASHDATA(romp) & 0xff, numbytes);
memset(base, fill_byte, numbytes);
}