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ddz.cpp: Make this driver no more broken than it was before (nw)

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This commit is contained in:
AJR 2019-11-19 18:18:34 -05:00
parent cebf8fc2d2
commit 0ae401849e
1 changed files with 3 additions and 4 deletions
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7
src/mame/drivers/ddz.cpp
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@ -59,7 +59,6 @@ public:
ddz_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_workram(*this, "workram"),
m_ipl(*this, "ipl"),
m_encdata(*this, "enc_data"),
m_maincpu(*this, "maincpu"),
m_vr0soc(*this, "vr0soc")
@ -73,7 +72,6 @@ private:
/* memory pointers */
required_shared_ptr<uint32_t> m_workram;
required_region_ptr<uint8_t> m_ipl;
required_region_ptr<uint8_t> m_encdata;
/* devices */
@ -160,12 +158,13 @@ ROM_END
void ddz_state::init_ddz()
{
uint8_t *ipl = reinterpret_cast<uint8_t *>(memregion("ipl")->base());
for(uint32_t x=0;x<m_encdata.bytes();x+=16)
{
// TBD
for(int y=0;y<16;y++)
m_ipl[x+(y)] = m_encdata[x+y];
// m_ipl[x+(15-y)] = m_encdata[x+y];
ipl[BYTE4_XOR_LE(x+y)] = m_encdata[x+y];
// ipl[BYTE4_XOR_LE(x+15-y)] = m_encdata[x+y];
}
}