The-Homebrew-Cloud/Genesis-Plus-GX
2
0
Fork 0
mirror of https://github.com/ekeeke/Genesis-Plus-GX.git synced 2024-09-10 16:53:15 +02:00
Code Issues Packages Projects Releases Wiki Activity

[SMS/GG] fixed uninitialized memory writes bug (fixes games accidentally writing to ROM area)

Browse Source
This commit is contained in:
ekeeke31 2012-04-12 22:05:07 +00:00
parent fcfd294d84
commit 6743bac508
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
source/cart_hw/sms_cart.c
View File

@ -861,14 +861,14 @@ static void mapper_reset(void)
}
else
{
/* $0000-$3FFF mapped to ROM (first 16k) by default */
for (i = 0x00; i < 0x10; i++)
/* $0000-$BFFF mapped to ROM by default */
for (i = 0x00; i < 0x30; i++)
{
z80_readmap[i] = &slot.rom[i << 10];
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
}
/* ROM paging */
/* reset default ROM paging */
if (slot.mapper & MAPPER_KOREA_8K)
{
mapper_8k_w(0,slot.fcr[0]);