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spectrum128: fix banking port decode for some games (e.g. Fairlight 128K)

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This commit is contained in:
MetalliC 2015-05-15 14:58:16 +03:00
parent e2502892c0
commit 8faf871181
1 changed files with 1 additions and 1 deletions
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src/mess/drivers/spec128.c
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@ -222,7 +222,7 @@ static ADDRESS_MAP_START (spectrum_128_io, AS_IO, 8, spectrum_state )
AM_RANGE(0x001f, 0x001f) AM_READ(spectrum_port_1f_r) AM_MIRROR(0xff00)
AM_RANGE(0x007f, 0x007f) AM_READ(spectrum_port_7f_r) AM_MIRROR(0xff00)
AM_RANGE(0x00df, 0x00df) AM_READ(spectrum_port_df_r) AM_MIRROR(0xff00)
AM_RANGE(0x4000, 0x4000) AM_WRITE(spectrum_128_port_7ffd_w) AM_MIRROR(0x3ffd)
AM_RANGE(0x0000, 0x0000) AM_WRITE(spectrum_128_port_7ffd_w) AM_MIRROR(0x7ffd) // (A15 | A1) == 0, note: reading from this port does write to it by value from data bus
AM_RANGE(0x8000, 0x8000) AM_DEVWRITE("ay8912", ay8910_device, data_w) AM_MIRROR(0x3ffd)
AM_RANGE(0xc000, 0xc000) AM_DEVREADWRITE("ay8912", ay8910_device, data_r, address_w) AM_MIRROR(0x3ffd)
AM_RANGE(0x0001, 0x0001) AM_READ(spectrum_128_ula_r) AM_MIRROR(0xfffe)