libretro/Genesis-Plus-GX
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Merge branch 'ekeeke:master' into master

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ds22x 2023-06-11 23:33:59 +02:00 committed by GitHub
commit e50eaa6d69
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6 changed files with 7 additions and 2 deletions
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1
HISTORY.txt
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@ -77,6 +77,7 @@ Genesis Plus GX 1.7.5 (xx/xx/xxxx) (Eke-Eke)
* fixed ROM padding for Sonic & Knuckles
* fixed SRAM detection for games where it is mapped to work RAM ("Feng Kuang Tao Hua Yuan" crash)
* fixed 1.7.4 regression with games using SRAM bank-switching
* fixed soft-reset in X-in-1 pirate games
[Core/MS]
---------------

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builds/genesis_plus_gx_libretro.dll
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builds/genplus_cube.dol
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builds/genplus_wii.dol
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6
core/cart_hw/md_cart.c
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@ -1659,7 +1659,7 @@ static void mapper_realtec_w(uint32 address, uint32 data)
{
/* ROM access enable */
/* when bit 0 is set, ROM A17/A16 pins are set according to above registers and ROM A15/A12 pins are connected to VA16-VA13 (forced to 1 on reset) */
/* other bits habe no effect */
/* other bits have no effect */
if (data & 0x01)
{
/* once ROM access is enabled, ROM mapping can not be modified until next reset */
@ -2030,6 +2030,10 @@ static void default_time_w(uint32 address, uint32 data)
if (address < 0xa13060)
{
mapper_64k_multi_w(address);
/* cartridge ROM mapping is reinitialized on /VRES */
cart.hw.bankshift = 1;
return;
}

2
core/genesis.c
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@ -50,7 +50,7 @@ uint8 boot_rom[0x800]; /* Genesis BOOT ROM */
uint8 work_ram[0x10000]; /* 68K RAM */
uint8 zram[0x2000]; /* Z80 RAM */
uint32 zbank; /* Z80 bank window address */
uint8 zstate; /* Z80 bus state (d0 = BUSACK, d1 = /RESET) */
uint8 zstate; /* Z80 bus state (d0 = /RESET, d1 = BUSACK) */
uint8 pico_current; /* PICO current page */
static uint8 tmss[4]; /* TMSS security register */