diff options
Diffstat (limited to 'src/devices/bus/c64/buscard.cpp')
-rw-r--r-- | src/devices/bus/c64/buscard.cpp | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/devices/bus/c64/buscard.cpp b/src/devices/bus/c64/buscard.cpp index f807522c2fd..b325710a301 100644 --- a/src/devices/bus/c64/buscard.cpp +++ b/src/devices/bus/c64/buscard.cpp @@ -19,11 +19,11 @@ // MACROS/CONSTANTS //************************************************************************** -#define I8255_TAG "u2" +#define I8255_TAG "u2" #define DS75160A_TAG "u3" #define DS75161A_TAG "u4" -#define CENTRONICS_TAG "p4" -#define EXPANSION_TAG "exp" +#define CENTRONICS_TAG "p4" +#define EXPANSION_TAG "exp" @@ -142,10 +142,10 @@ WRITE8_MEMBER( buscard_t::ppi_pb_w ) PB0 BASIC ROM bank bit 0 PB1 BASIC ROM bank bit 1 - PB2 + PB2 PB3 BASIC ROM enable - PB4 - PB5 + PB4 + PB5 PB6 STROBE PB7 DIP switch select @@ -153,7 +153,7 @@ WRITE8_MEMBER( buscard_t::ppi_pb_w ) m_bank = data & 0x03; m_basic = BIT(data, 3); - + m_centronics->write_strobe(BIT(data, 6)); m_dipsw = BIT(data, 7); @@ -166,10 +166,10 @@ READ8_MEMBER( buscard_t::ppi_pc_r ) bit description PC0 BUSY - PC1 + PC1 PC2 DAV PC3 EOI - PC4 + PC4 PC5 ATN PC6 NRFD PC7 NDAC @@ -195,12 +195,12 @@ WRITE8_MEMBER( buscard_t::ppi_pc_w ) bit description - PC0 + PC0 PC1 ATN PC2 DAV PC3 EOI PC4 TE - PC5 + PC5 PC6 NRFD PC7 NDAC @@ -329,7 +329,7 @@ void buscard_t::device_start() void buscard_t::device_reset() { m_ppi->reset(); - + m_ieee2->ifc_w(0); m_ieee2->ifc_w(1); } @@ -342,7 +342,7 @@ void buscard_t::device_reset() uint8_t buscard_t::c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) { int cs = BIT(offset, 6) && BIT(offset, 7); - + if (sphi2 && !io1 && cs) { data = m_ppi->read(offset & 0x03); |