trunk/src/mess/drivers/pv1000.c
| r19779 | r19780 | |
|---|
| 145 | 145 | break; |
| 146 | 146 | |
| 147 | 147 | case 0x05: |
| 148 | | m_fd_data = 1; |
| 148 | m_fd_data = 0xf; |
| 149 | 149 | break; |
| 150 | 150 | // case 0x06 VRAM + PCG location, always fixed at 0xb8xx |
| 151 | 151 | case 0x07: |
| r19779 | r19780 | |
|---|
| 170 | 170 | case 0x04: |
| 171 | 171 | /* Bit 1 = 1 => Data is available in port FD */ |
| 172 | 172 | /* Bit 0 = 1 => Buffer at port FD is empty */ |
| 173 | data = 0; |
| 173 | 174 | data = ( m_screen->vpos() >= 212 && m_screen->vpos() <= 220 ) ? 1 : 0; |
| 174 | 175 | data |= m_fd_data ? 2 : 0; |
| 175 | 176 | break; |
| 176 | 177 | case 0x05: |
| 178 | static const char *const joynames[] = { "IN0", "IN1", "IN2", "IN3" }; |
| 179 | int i; |
| 180 | |
| 177 | 181 | data = 0; |
| 178 | | if ( m_io_regs[5] & 0x08 ) |
| 182 | |
| 183 | for(i=0;i<4;i++) |
| 179 | 184 | { |
| 180 | | data = ioport( "IN3" )->read(); |
| 185 | if(m_io_regs[5] & 1 << i) |
| 186 | { |
| 187 | data |= ioport(joynames[i])->read(); |
| 188 | m_fd_data &= ~(1 << i); |
| 189 | } |
| 181 | 190 | } |
| 182 | | if ( m_io_regs[5] & 0x04 ) |
| 183 | | { |
| 184 | | data = ioport( "IN2" )->read(); |
| 185 | | } |
| 186 | | if ( m_io_regs[5] & 0x02 ) |
| 187 | | { |
| 188 | | data = ioport( "IN1" )->read(); |
| 189 | | } |
| 190 | | if ( m_io_regs[5] & 0x01 ) |
| 191 | | { |
| 192 | | data = ioport( "IN0" )->read(); |
| 193 | | } |
| 194 | | m_fd_data = 0; |
| 191 | |
| 192 | //m_fd_data = 0; |
| 195 | 193 | break; |
| 196 | 194 | } |
| 197 | 195 | |