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-rw-r--r--src/mess/machine/nextmo.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/src/mess/machine/nextmo.c b/src/mess/machine/nextmo.c
deleted file mode 100644
index 20cfba9aa6c..00000000000
--- a/src/mess/machine/nextmo.c
+++ /dev/null
@@ -1,198 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Olivier Galibert
-
-#include "emu.h"
-#include "nextmo.h"
-
-const device_type NEXTMO = &device_creator<nextmo_device>;
-
-DEVICE_ADDRESS_MAP_START(map, 8, nextmo_device)
- AM_RANGE(0x04, 0x04) AM_READWRITE(r4_r, r4_w)
- AM_RANGE(0x05, 0x05) AM_READWRITE(r5_r, r5_w)
- AM_RANGE(0x06, 0x06) AM_READWRITE(r6_r, r6_w)
- AM_RANGE(0x07, 0x07) AM_READWRITE(r7_r, r7_w)
- AM_RANGE(0x08, 0x08) AM_READWRITE(r8_r, r8_w)
- AM_RANGE(0x09, 0x09) AM_READWRITE(r9_r, r9_w)
- AM_RANGE(0x0a, 0x0a) AM_READWRITE(ra_r, ra_w)
- AM_RANGE(0x0b, 0x0b) AM_READWRITE(rb_r, rb_w)
- AM_RANGE(0x10, 0x17) AM_READWRITE(r10_r, r10_w)
-ADDRESS_MAP_END
-
-nextmo_device::nextmo_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
- device_t(mconfig, NEXTMO, "NeXT Magneto-optical drive", tag, owner, clock, "nextmo", __FILE__),
- r4(0),
- irq_cb(*this),
- drq_cb(*this)
-{
-}
-
-void nextmo_device::device_start()
-{
- irq_cb.resolve_safe();
- drq_cb.resolve_safe();
-}
-
-void nextmo_device::device_reset()
-{
-}
-
-READ8_MEMBER(nextmo_device::r4_r)
-{
- logerror("nextmo: r4_r %02x (%08x)\n", r4, space.device().safe_pc());
- return r4;
-}
-
-WRITE8_MEMBER(nextmo_device::r4_w)
-{
- if(r4 & 1)
- device_reset();
- r4 = (r4 & (~data & 0xfc)) | (data & 3);
- logerror("nextmo: r4_w %02x (%08x)\n", r4, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::r5_r)
-{
- logerror("nextmo: r5_r %02x (%08x)\n", r5, space.device().safe_pc());
- return r5;
-}
-
-WRITE8_MEMBER(nextmo_device::r5_w)
-{
- r5 = data;
- logerror("nextmo: r5_w %02x (%08x)\n", r5, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::r6_r)
-{
- logerror("nextmo: r6_r %02x (%08x)\n", r6, space.device().safe_pc());
- return r6;
-}
-
-WRITE8_MEMBER(nextmo_device::r6_w)
-{
- r6 = data;
- logerror("nextmo: r6_w %02x (%08x)\n", r6, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::r7_r)
-{
- logerror("nextmo: r7_r %02x (%08x)\n", r7, space.device().safe_pc());
- return r7;
-}
-
-WRITE8_MEMBER(nextmo_device::r7_w)
-{
- r7 = data;
- logerror("nextmo: r7_w %02x (%08x)\n", r7, space.device().safe_pc());
- if(r7 & 0xc0) {
- logerror("nextmo: start dma %02x %02x\n", r6, r7);
- sector_pos = 0;
- if(!drq_cb.isnull())
- drq_cb(true);
- }
-}
-
-UINT8 nextmo_device::dma_r()
-{
- UINT8 r = 0;
- if(r7 & 0x80)
- r = sector[sector_pos++];
- check_dma_end();
- return r;
-}
-
-void nextmo_device::dma_w(UINT8 data)
-{
- if(r7 & 0x40)
- sector[sector_pos++] = data;
- check_dma_end();
-}
-
-void nextmo_device::check_dma_end()
-{
- int limit;
- if(r7 & 0x40)
- limit = r6 & 0x20 ? 0x510 : 0x400;
- else
- limit = r6 & 0x20 ? 0x400 : 0x510;
- if(sector_pos == limit) {
- if(!drq_cb.isnull())
- drq_cb(false);
- if(r7 & 0x40) {
- if(r6 & 0x20)
- check_ecc();
- else
- compute_ecc();
- }
- r7 &= 0x3f;
- r4 |= 0x08;
- }
-}
-
-READ8_MEMBER(nextmo_device::r8_r)
-{
- logerror("nextmo: r8_r (%08x)\n", space.device().safe_pc());
- return 0x00;
-}
-
-WRITE8_MEMBER(nextmo_device::r8_w)
-{
- logerror("nextmo: r8_w %02x (%08x)\n", data, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::r9_r)
-{
- logerror("nextmo: r9_r (%08x)\n", space.device().safe_pc());
- return 0x00;
-}
-
-WRITE8_MEMBER(nextmo_device::r9_w)
-{
- logerror("nextmo: r9_w %02x (%08x)\n", data, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::ra_r)
-{
- logerror("nextmo: ra_r (%08x)\n", space.device().safe_pc());
- return 0x00;
-}
-
-WRITE8_MEMBER(nextmo_device::ra_w)
-{
- logerror("nextmo: ra_w %02x (%08x)\n", data, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::rb_r)
-{
- logerror("nextmo: rb_r (%08x)\n", space.device().safe_pc());
- return 0x24;
-}
-
-WRITE8_MEMBER(nextmo_device::rb_w)
-{
- logerror("nextmo: rb_w %02x (%08x)\n", data, space.device().safe_pc());
-}
-
-READ8_MEMBER(nextmo_device::r10_r)
-{
- logerror("nextmo: r10_r %d (%08x)\n", offset, space.device().safe_pc());
- return 0x00;
-}
-
-WRITE8_MEMBER(nextmo_device::r10_w)
-{
- logerror("nextmo: r10_w %d, %02x (%08x)\n", offset, data, space.device().safe_pc());
-}
-
-void nextmo_device::check_ecc()
-{
- logerror("nextmo: check_ecc\n");
- for(int i=0; i<0x400; i++)
- sector[i] = i;
-}
-
-void nextmo_device::compute_ecc()
-{
- logerror("nextmo: compute_ecc\n");
- memset(sector+0x400, 0, 0x110);
-}