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Sanitized a part of the SCAT code.

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This commit is contained in:
OBattler
2020-01-14 21:04:07 +01:00
parent e883577069
commit f8222dc780
1 changed files with 11 additions and 4 deletions
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15
src/chipset/scat.c
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@@ -1338,13 +1338,20 @@ static void
mem_write_scatb(uint32_t addr, uint8_t val, void *priv)
{
ems_page_t *page = (ems_page_t *)priv;
scat_t *dev = (scat_t *)page->scat;
scat_t *dev;
uint32_t oldaddr = addr, chkaddr;
addr = get_addr(dev, addr, page);
chkaddr = page ? addr : oldaddr;
if (dev == NULL)
chkaddr = oldaddr;
else {
dev = (scat_t *)page->scat;
addr = get_addr(dev, addr, page);
chkaddr = addr;
}
if (chkaddr >= 0xc0000 && chkaddr < 0x100000) {
if (dev->regs[SCAT_RAM_WRITE_PROTECT] & (1 << ((chkaddr - 0xc0000) >> 15))) return;
if (dev->regs[SCAT_RAM_WRITE_PROTECT] & (1 << ((chkaddr - 0xc0000) >> 15)))
return;
}
if (addr < ((uint32_t)mem_size << 10))