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amusco.cpp: remove vram placeholder, allocate it in video_start (nw)

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This commit is contained in:
angelosa 2017-11-17 00:22:14 +01:00
parent 4383667401
commit aa5d139047
1 changed files with 6 additions and 3 deletions
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9
src/mame/drivers/amusco.cpp
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@ -103,7 +103,6 @@ class amusco_state : public driver_device
public:
amusco_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_pit(*this, "pit8253"),
@ -132,7 +131,7 @@ protected:
virtual void video_start() override;
virtual void machine_start() override;
private:
required_shared_ptr<uint8_t> m_videoram;
uint8_t *m_videoram;
tilemap_t *m_bg_tilemap;
required_device<cpu_device> m_maincpu;
@ -146,6 +145,7 @@ private:
uint8_t m_mc6845_address;
uint16_t m_video_update_address;
bool m_blink_state;
static constexpr uint32_t videoram_size = 0x10000;
};
@ -179,6 +179,10 @@ void amusco_state::video_start()
{
m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(amusco_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 10, 74, 24);
m_blink_state = false;
m_videoram = auto_alloc_array_clear(machine(), uint8_t, videoram_size);
save_pointer(NAME(m_videoram), videoram_size);
}
void amusco_state::machine_start()
@ -192,7 +196,6 @@ void amusco_state::machine_start()
static ADDRESS_MAP_START( amusco_mem_map, AS_PROGRAM, 8, amusco_state )
AM_RANGE(0x00000, 0x0ffff) AM_RAM
AM_RANGE(0xec000, 0xecfff) AM_RAM AM_SHARE("videoram") // placeholder
AM_RANGE(0xf8000, 0xfffff) AM_ROM
ADDRESS_MAP_END