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nascom1: template the snapshot handler (nw)

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This commit is contained in:
Nigel Barnes 2019-03-11 21:10:45 +00:00
parent 1c8b595998
commit 8f31ef9ca1
1 changed files with 14 additions and 37 deletions
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51
src/mame/drivers/nascom1.cpp
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@ -86,8 +86,7 @@ private:
DECLARE_WRITE_LINE_MEMBER(nascom1_hd6402_so);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( nascom1_cassette );
DECLARE_DEVICE_IMAGE_UNLOAD_MEMBER( nascom1_cassette );
DECLARE_SNAPSHOT_LOAD_MEMBER( nascom1 );
DECLARE_SNAPSHOT_LOAD_MEMBER( charrom );
template<int Dest> DECLARE_SNAPSHOT_LOAD_MEMBER( nascom );
};
class nascom1_state : public nascom_state
@ -231,7 +230,8 @@ DEVICE_IMAGE_UNLOAD_MEMBER( nascom_state, nascom1_cassette )
// SNAPSHOTS
//**************************************************************************
SNAPSHOT_LOAD_MEMBER( nascom_state, nascom1 )
template<int Dest>
SNAPSHOT_LOAD_MEMBER( nascom_state, nascom )
{
uint8_t line[29];
@ -244,38 +244,15 @@ SNAPSHOT_LOAD_MEMBER( nascom_state, nascom1 )
{
for (int i = 0; i < 8; i++)
{
m_maincpu->space(AS_PROGRAM).write_byte(addr++, b[i]);
}
}
else
{
image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported file format");
return image_init_result::FAIL;
}
dummy = 0x00;
while (!image.image_feof() && dummy != 0x0a && dummy != 0x1f)
{
image.fread(&dummy, 1);
}
}
return image_init_result::PASS;
}
SNAPSHOT_LOAD_MEMBER(nascom_state, charrom)
{
uint8_t line[29];
while (image.fread(&line, sizeof(line)) == sizeof(line))
{
unsigned int addr, b[8], dummy;
if (sscanf((char *)line, "%4x %x %x %x %x %x %x %x %x",
&addr, &b[0], &b[1], &b[2], &b[3], &b[4], &b[5], &b[6], &b[7]) == 9)
{
for (int i = 0; i < 8; i++)
{
m_gfx1_region->base()[addr++] = b[i];
switch (Dest)
{
case 0: // snapshot
m_maincpu->space(AS_PROGRAM).write_byte(addr++, b[i]);
break;
case 1: // character rom
m_gfx1_region->base()[addr++] = b[i];
break;
}
}
}
else
@ -707,10 +684,10 @@ void nascom_state::nascom(machine_config &config)
// devices
snapshot_image_device &snapshot(SNAPSHOT(config, "snapshot"));
snapshot.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(nascom_state, nascom1), this), "nas", attotime::from_msec(500));
snapshot.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(nascom_state, nascom<0>), this), "nas", attotime::from_msec(500));
snapshot.set_interface("nascom_snap");
snapshot_image_device &snapchar(SNAPSHOT(config, "snapchar"));
snapchar.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(nascom_state, charrom), this), "chr", attotime::from_msec(500));
snapchar.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(nascom_state, nascom<1>), this), "chr", attotime::from_msec(500));
snapchar.set_interface("nascom_char");
}