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shangha3.cpp: Don't map 8-bit ROM directly into 16-bit space (nw)

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This commit is contained in:
AJR 2019-12-06 23:02:13 -05:00
parent 67cddc48cd
commit ad97b6860b
1 changed files with 7 additions and 2 deletions
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9
src/mame/drivers/shangha3.cpp
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@ -114,6 +114,11 @@ WRITE16_MEMBER(shangha3_state::irq_ack_w)
m_maincpu->set_input_line(4, CLEAR_LINE);
}
uint8_t shangha3_state::cgrom_r(offs_t offset)
{
return m_cgrom[offset];
}
void shangha3_state::shangha3_map(address_map &map)
{
map(0x000000, 0x07ffff).rom();
@ -147,7 +152,7 @@ void shangha3_state::heberpop_map(address_map &map)
map(0x300000, 0x30ffff).ram().share("ram"); /* gfx & work ram */
map(0x340001, 0x340001).w(FUNC(shangha3_state::flipscreen_w));
map(0x360000, 0x360001).w(FUNC(shangha3_state::gfxlist_addr_w));
map(0x800000, 0xb7ffff).rom().region("gfx1", 0);
map(0x800000, 0xb7ffff).r(FUNC(shangha3_state::cgrom_r));
}
void shangha3_state::blocken_map(address_map &map)
@ -164,7 +169,7 @@ void shangha3_state::blocken_map(address_map &map)
map(0x300000, 0x30ffff).ram().share("ram"); /* gfx & work ram */
map(0x340001, 0x340001).w(FUNC(shangha3_state::flipscreen_w));
map(0x360000, 0x360001).w(FUNC(shangha3_state::gfxlist_addr_w));
map(0x800000, 0xb7ffff).rom().region("gfx1", 0);
map(0x800000, 0xb7ffff).r(FUNC(shangha3_state::cgrom_r));
}