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sorcerer: fixed bugs with SNP handling.

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This commit is contained in:
Robbbert 2021-05-16 21:52:05 +10:00
parent c54f6940d5
commit 10a40a4c2d
1 changed files with 5 additions and 2 deletions
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7
src/mame/machine/sorcerer.cpp
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@ -605,11 +605,12 @@ QUICKLOAD_LOAD_MEMBER(sorcerer_state::quickload_cb)
return image_init_result::FAIL; return image_init_result::FAIL;
} }
u8 header[28];
/* get the header */ /* get the header */
u8 header[28];
image.fread( &header, sizeof(header)); image.fread( &header, sizeof(header));
logerror("SNP PC register = 0x%04x\n", header[26] | (header[27] << 8));
// write it to ram, and skip roms // write it to ram, and skip roms
unsigned char s_byte; unsigned char s_byte;
for (int i = 0; i < 0xe000; i++) for (int i = 0; i < 0xe000; i++)
@ -658,6 +659,8 @@ QUICKLOAD_LOAD_MEMBER(sorcerer_state::quickload_cb)
m_maincpu->set_state_int(Z80_IM, header[25]); m_maincpu->set_state_int(Z80_IM, header[25]);
m_maincpu->set_pc(header[26] | (header[27] << 8)); m_maincpu->set_pc(header[26] | (header[27] << 8));
} }
else
m_maincpu->set_pc(0xe000); // SNP destroys workspace, so do cold start.
} }
return image_init_result::PASS; return image_init_result::PASS;