diff options
Diffstat (limited to 'src/emu/machine/am53cf96.c')
-rw-r--r-- | src/emu/machine/am53cf96.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/emu/machine/am53cf96.c b/src/emu/machine/am53cf96.c index a2e11e5ea2c..be0dc8f1162 100644 --- a/src/emu/machine/am53cf96.c +++ b/src/emu/machine/am53cf96.c @@ -40,7 +40,7 @@ READ8_MEMBER( am53cf96_device::read ) if (offset == REG_IRQSTATE) { - scsi_regs[REG_STATUS] &= ~0x80; // clear IRQ flag + scsi_regs[REG_STATUS] &= ~0x80; // clear IRQ flag } return rv; @@ -48,8 +48,8 @@ READ8_MEMBER( am53cf96_device::read ) void am53cf96_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr) { - scsi_regs[REG_IRQSTATE] = 8; // indicate success - scsi_regs[REG_STATUS] |= 0x80; // indicate IRQ + scsi_regs[REG_IRQSTATE] = 8; // indicate success + scsi_regs[REG_STATUS] |= 0x80; // indicate IRQ m_irq_handler(1); } @@ -65,7 +65,7 @@ WRITE8_MEMBER( am53cf96_device::write ) if (offset == REG_XFERCNTLOW || offset == REG_XFERCNTMID || offset == REG_XFERCNTHI) { - scsi_regs[REG_STATUS] &= ~0x10; // clear CTZ bit + scsi_regs[REG_STATUS] &= ~0x10; // clear CTZ bit } // FIFO @@ -86,12 +86,12 @@ WRITE8_MEMBER( am53cf96_device::write ) fptr = 0; switch (data & 0x7f) { - case 0: // NOP - scsi_regs[REG_IRQSTATE] = 8; // indicate success + case 0: // NOP + scsi_regs[REG_IRQSTATE] = 8; // indicate success xfer_state = 0; break; case 2: // reset device - scsi_regs[REG_IRQSTATE] = 8; // indicate success + scsi_regs[REG_IRQSTATE] = 8; // indicate success logerror("53cf96: reset target ID = %d (PC = %x)\n", last_id, space.device().safe_pc()); if (devices[last_id]) @@ -105,12 +105,12 @@ WRITE8_MEMBER( am53cf96_device::write ) xfer_state = 0; break; - case 3: // reset SCSI bus - scsi_regs[REG_INTSTATE] = 4; // command sent OK + case 3: // reset SCSI bus + scsi_regs[REG_INTSTATE] = 4; // command sent OK xfer_state = 0; m_transfer_timer->adjust( attotime::from_hz( 16384 ) ); break; - case 0x42: // select with ATN steps + case 0x42: // select with ATN steps m_transfer_timer->adjust( attotime::from_hz( 16384 ) ); if ((fifo[1] == 0) || (fifo[1] == 0x48) || (fifo[1] == 0x4b)) { @@ -135,14 +135,14 @@ WRITE8_MEMBER( am53cf96_device::write ) } xfer_state = 0; break; - case 0x44: // enable selection/reselection + case 0x44: // enable selection/reselection xfer_state = 0; break; - case 0x10: // information transfer (must not change xfer_state) - case 0x11: // second phase of information transfer - case 0x12: // message accepted + case 0x10: // information transfer (must not change xfer_state) + case 0x11: // second phase of information transfer + case 0x12: // message accepted m_transfer_timer->adjust( attotime::from_hz( 16384 ) ); - scsi_regs[REG_INTSTATE] = 6; // command sent OK + scsi_regs[REG_INTSTATE] = 6; // command sent OK break; default: printf( "unsupported command %02x\n", data ); @@ -195,7 +195,7 @@ void am53cf96_device::device_start() // retrieve data from the SCSI controller void am53cf96_device::dma_read_data(int bytes, UINT8 *pData) { - scsi_regs[REG_STATUS] |= 0x10; // indicate DMA finished + scsi_regs[REG_STATUS] |= 0x10; // indicate DMA finished if (devices[last_id]) { @@ -212,7 +212,7 @@ void am53cf96_device::dma_write_data(int bytes, UINT8 *pData) { // int i; - scsi_regs[REG_STATUS] |= 0x10; // indicate DMA finished + scsi_regs[REG_STATUS] |= 0x10; // indicate DMA finished if (devices[last_id]) { |