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O2: fix sprite shifting and add some homebrew to DB

This commit is contained in:
alyosha-tas 2020-07-11 08:29:11 -04:00
parent 1bf8f80510
commit 39bbe30b8e
2 changed files with 12 additions and 2 deletions
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4
Assets/gamedb/gamedb_Odyssey2.txt
View File

@ -17,7 +17,9 @@ SHA1:2B34EF0E1A8C0371F00A33D6950E0807F3CB886E D Happy Emu O2 US
SHA1:03C846187581A44CE4F7B056C05186520C2DB1B4 D Happy Bird O2 US
SHA1:42AD0C57BD16B7F24C242F60B5C0E9988D8DFBA8 D Kill The Attacking Aliens O2 US
SHA1:BFAB5BECBF17AF0A304A50C81B04999D9830D817 D Pong O2 EU
SHA1:13D5AF4DFB100724B8CA42D65CD1849E470784CD D Puzzle Piece Panic O2 US
SHA1:A878FEC75B0B2E60FA81E1EDA01A15F7CEEBF659 D Planet Lander O2 US
SHA1:BCD2DEEEED9283FF585D644993494961F0ACC46D D Mr Roboto O2 US

10
src/BizHawk.Emulation.Cores/Consoles/Magnavox/Odyssey2/PPU.cs
View File

@ -618,7 +618,15 @@ namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
if (((LY - OBJ_OFST) >= Sprites[i * 4]) && ((LY - OBJ_OFST) < (Sprites[i * 4] + 8 * double_size)))
{
right_shift_even = (Sprites[i * 4 + 2].Bit(1) && (((Sprites[i * 4] + 8 * double_size - (LY - OBJ_OFST)) % 2) == 0)) ? 1 : 0;
if (double_size == 4)
{
right_shift_even = (Sprites[i * 4 + 2].Bit(1) && ((((LY - OBJ_OFST) - Sprites[i * 4]) % 8) < 4)) ? 1 : 0;
}
else
{
right_shift_even = (Sprites[i * 4 + 2].Bit(1) && ((((LY - OBJ_OFST) - Sprites[i * 4]) % 2) == 0)) ? 1 : 0;
}
x_base = Sprites[i * 4 + 1];
if ((right_shift + right_shift_even) == 0)