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gpgx: silently discard R&W on bus to locations that shouldn't be accessed by plain pointer

This commit is contained in:
nattthebear 2017-06-26 18:17:00 -04:00
parent db73b7f275
commit e57a3ae23c
2 changed files with 12 additions and 12 deletions
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output/dll/gpgx.wbx.gz
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waterbox/gpgx/cinterface/cinterface.c
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@ -454,30 +454,30 @@ GPGX_EX const char* gpgx_get_memdom(int which, void **area, int *size)
GPGX_EX void gpgx_write_m68k_bus(unsigned addr, unsigned data)
{
unsigned char *base = m68k.memory_map[addr >> 16 & 0xff].base;
if (base)
base[addr & 0xffff ^ 1] = data;
cpu_memory_map m = m68k.memory_map[addr >> 16 & 0xff];
if (m.base && !m.write8)
m.base[addr & 0xffff ^ 1] = data;
}
GPGX_EX void gpgx_write_s68k_bus(unsigned addr, unsigned data)
{
unsigned char *base = s68k.memory_map[addr >> 16 & 0xff].base;
if (base)
base[addr & 0xffff ^ 1] = data;
cpu_memory_map m = s68k.memory_map[addr >> 16 & 0xff];
if (m.base && !m.write8)
m.base[addr & 0xffff ^ 1] = data;
}
GPGX_EX unsigned gpgx_peek_m68k_bus(unsigned addr)
{
unsigned char *base = m68k.memory_map[addr >> 16 & 0xff].base;
if (base)
return base[addr & 0xffff ^ 1];
cpu_memory_map m = m68k.memory_map[addr >> 16 & 0xff];
if (m.base && !m.read8)
return m.base[addr & 0xffff ^ 1];
else
return 0xff;
}
GPGX_EX unsigned gpgx_peek_s68k_bus(unsigned addr)
{
unsigned char *base = s68k.memory_map[addr >> 16 & 0xff].base;
if (base)
return base[addr & 0xffff ^ 1];
cpu_memory_map m = s68k.memory_map[addr >> 16 & 0xff];
if (m.base && !m.read8)
return m.base[addr & 0xffff ^ 1];
else
return 0xff;
}