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authorGravatarGravatar AJR <ajrhacker@users.noreply.github.com>2019-08-21 13:47:07 -0400
committerGravatarGravatar AJR <ajrhacker@users.noreply.github.com>2019-08-21 13:47:07 -0400
commitd15be5652aad72316cb4e4b70d152ebc86902739 (patch) (github)
treeea4c5712499590c4cf600682f1eea2d8c2eac8df /src/mame/drivers/alto2.cpp
parent1792ac0b9f520ff89482cd42c5a86a43a5e41e0d (diff)
downloadmame-d15be5652aad72316cb4e4b70d152ebc86902739.tar.bz2
mame-d15be5652aad72316cb4e4b70d152ebc86902739.zip
alto2: Make another thing into a callback (nw)
Diffstat (limited to 'src/mame/drivers/alto2.cpp')
-rw-r--r--src/mame/drivers/alto2.cpp12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mame/drivers/alto2.cpp b/src/mame/drivers/alto2.cpp
index eee0f48d598..c6913aa2dae 100644
--- a/src/mame/drivers/alto2.cpp
+++ b/src/mame/drivers/alto2.cpp
@@ -8,6 +8,7 @@
#include "emu.h"
#include "cpu/alto2/alto2cpu.h"
#include "machine/diablo_hd.h"
+#include "sound/spkrdev.h"
#include "emupal.h"
#include "screen.h"
#include "rendlay.h"
@@ -31,6 +32,7 @@ public:
protected:
u16 kb_r(offs_t offset);
+ void utilout_w(u16 data);
required_device<alto2_cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
@@ -245,6 +247,13 @@ u16 alto2_state::kb_r(offs_t offset)
return m_io_row[offset]->read();
}
+void alto2_state::utilout_w(u16 data)
+{
+ // FIXME: write printer data
+ // printer_write();
+ m_speaker->level_w(data ^ 0177777 ? 1 : 0);
+}
+
/* ROM */
ROM_START( alto2 )
// dummy region for the maincpu - this is not used in any way
@@ -263,6 +272,7 @@ void alto2_state::alto2(machine_config &config)
// 5.8MHz according to de.wikipedia.org/wiki/Xerox_Alto
ALTO2(config, m_maincpu, XTAL(29'491'200)/5);
m_maincpu->kb_read_callback().set(FUNC(alto2_state::kb_r));
+ m_maincpu->utilout_callback().set(FUNC(alto2_state::utilout_w));
// Video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
@@ -291,7 +301,7 @@ void alto2_state::init_alto2()
alto2_cpu_device* cpu = downcast<alto2_cpu_device *>(m_maincpu.target());
cpu->set_diablo(0, downcast<diablo_hd_device *>(machine().device(DIABLO_HD_0)));
cpu->set_diablo(1, downcast<diablo_hd_device *>(machine().device(DIABLO_HD_1)));
- cpu->set_speaker(m_speaker);
+
// Create a timer which fires twice per frame, once for each field
m_vblank_timer = timer_alloc(TIMER_VBLANK);
m_vblank_timer->adjust(attotime::from_hz(2*30),0,attotime::from_hz(30*2));