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author hap <happppp@users.noreply.github.com>2017-03-10 16:44:07 +0100
committer hap <happppp@users.noreply.github.com>2017-03-10 16:44:33 +0100
commit3e867504c1f13b0a0e24f9c9428e7ca8539dcd23 (patch)
tree3ac09bb4ac8d4598e94b306966a23585ee111cfc /src/devices/video/hlcd0538.h
parent1d35ea1a924923e802039a57e432cc6c12080f1b (diff)
added hlcd0538 device (nw)
Diffstat (limited to 'src/devices/video/hlcd0538.h')
-rw-r--r--src/devices/video/hlcd0538.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/devices/video/hlcd0538.h b/src/devices/video/hlcd0538.h
new file mode 100644
index 00000000000..462a1662792
--- /dev/null
+++ b/src/devices/video/hlcd0538.h
@@ -0,0 +1,85 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+ Hughes HLCD 0538(A)/0539(A) LCD Driver
+
+*/
+
+#ifndef _HLCD0538_H_
+#define _HLCD0538_H_
+
+
+// C/R pins (0538: d0-d7 for rows)
+#define MCFG_HLCD0538_WRITE_COLS_CB(_devcb) \
+ devcb = &hlcd0538_device::set_write_cols_callback(*device, DEVCB_##_devcb);
+
+
+// pinout reference
+
+/*
+ ____ ____
+ +V 1 |* \_/ | 40 R 1
+ DATA IN 2 | | 39 R 2
+ CLK 3 | | 38 R 3
+ LCD0 4 | | 37 R 4
+ GND 5 | | 36 R 5
+ INTERRUPT 6 | | 35 R 6
+ C 26 7 | | 34 R 7
+ C 25 8 | | 33 R 8
+ C 24 9 | | 32 C 1
+ C 23 10 | HLCD 0538 | 31 C 2
+ C 22 11 | | 30 C 3
+ C 21 12 | | 29 C 4
+ C 20 13 | | 28 C 5
+ C 19 14 | | 27 C 6
+ C 18 15 | | 26 C 7
+ C 17 16 | | 25 C 8
+ C 16 17 | | 24 C 9
+ C 15 18 | | 23 C 10
+ C 14 19 | | 22 C 11
+ C 13 20 |___________| 21 C 12
+
+ HLCD 0539 has 8 more C pins(1-8) in place of R pins.
+*/
+
+class hlcd0538_device : public device_t
+{
+public:
+ hlcd0538_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+ hlcd0538_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, u32 clock, const char *shortname, const char *source);
+
+ // static configuration helpers
+ template<typename Object> static devcb_base &set_write_cols_callback(device_t &device, Object &&object) { return downcast<hlcd0538_device &>(device).m_write_cols.set_callback(std::forward<Object>(object)); }
+
+ DECLARE_WRITE_LINE_MEMBER(write_clk);
+ DECLARE_WRITE_LINE_MEMBER(write_int);
+ DECLARE_WRITE_LINE_MEMBER(write_data) { m_data = (state) ? 1 : 0; }
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+
+ int m_int; // input pin state
+ int m_clk; // "
+ int m_data; // "
+ u64 m_shift;
+
+ // callbacks
+ devcb_write64 m_write_cols;
+};
+
+
+class hlcd0539_device : public hlcd0538_device
+{
+public:
+ hlcd0539_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+};
+
+
+
+extern const device_type HLCD0538;
+extern const device_type HLCD0539;
+
+
+#endif /* _HLCD0538_H_ */