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author | 2019-08-21 14:52:21 +0200 | |
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committer | 2019-08-21 14:52:35 +0200 | |
commit | 0617790932bf8d64fcc7c3a6fcdf0ca999523a8b (patch) | |
tree | 05484cd3c31cda8f066bb4bc3047f795b10c8c9d /src/devices/video/md4330b.h | |
parent | b02df00ba0ebce74c7dce7c1732be03346be80c8 (diff) |
add md4330/4332 lcd driver (nw)
Diffstat (limited to 'src/devices/video/md4330b.h')
-rw-r--r-- | src/devices/video/md4330b.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/devices/video/md4330b.h b/src/devices/video/md4330b.h new file mode 100644 index 00000000000..d372f2b88de --- /dev/null +++ b/src/devices/video/md4330b.h @@ -0,0 +1,91 @@ +// license:BSD-3-Clause +// copyright-holders:hap +/* + + Mitel MD4330B / MD4332B LCD Driver + +*/ + +#ifndef MAME_VIDEO_MD4330B_H +#define MAME_VIDEO_MD4330B_H + +#pragma once + +// pinout reference + +/* + ____ ____ ____ ____ + _T/C 1 |* \_/ | 40 VDD _T/C 1 |* \_/ | 40 VDD + DI 2 | | 39 CLK DI 2 | | 39 CLK + NC 3 | | 38 RST NC 3 | | 38 RST + NC 4 | | 37 DO Q1 4 | | 37 DO + Q1 5 | | 36 Q30 Q2 5 | | 36 Q32 + Q2 6 | | 35 Q29 Q3 6 | | 35 Q31 + Q3 7 | | 34 Q28 Q4 7 | | 34 Q30 + Q4 8 | | 33 Q27 Q5 8 | | 33 Q29 + Q5 9 | | 32 Q26 Q6 9 | | 32 Q28 + Q6 10 | MD4330BC | 31 Q25 Q7 10 | MD4332BC | 31 Q27 + Q7 11 | MD4330BE | 30 Q24 Q8 11 | MD4332BE | 30 Q26 + Q8 12 | | 29 Q23 Q9 12 | | 29 Q25 + Q9 13 | | 28 Q22 Q10 13 | | 28 Q24 + Q10 14 | | 27 Q21 Q11 14 | | 27 Q23 + Q11 15 | | 26 Q20 Q12 15 | | 26 Q22 + Q12 16 | | 25 Q19 Q13 16 | | 25 Q21 + Q13 17 | | 24 Q18 Q14 17 | | 24 Q20 + Q14 18 | | 23 Q17 Q15 18 | | 23 Q19 + Q15 19 | | 22 Q16 Q16 19 | | 22 Q18 + VSS 20 |___________| 21 NC VSS 20 |___________| 21 Q17 + +*/ + + +class md4330b_device : public device_t +{ +public: + md4330b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); + + // configuration helpers + auto write_q() { return m_write_q.bind(); } + auto write_do() { return m_write_do.bind(); } + + DECLARE_WRITE_LINE_MEMBER(clk_w); + DECLARE_WRITE_LINE_MEMBER(tc_w) { m_tc = (state) ? 1 : 0; update_q(); } + DECLARE_WRITE_LINE_MEMBER(di_w) { m_di = (state) ? 1 : 0; } + DECLARE_WRITE_LINE_MEMBER(rst_w) { m_rst = (state) ? 1 : 0; } + DECLARE_READ_LINE_MEMBER(do_r) { return m_do; } + +protected: + md4330b_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 qmax); + + // device-level overrides + virtual void device_start() override; + + void update_q(); + + const u8 m_qmax; // number of Q pins + u32 m_shift; + + // pin state + int m_clk; + int m_di; + int m_do; + int m_rst; + int m_tc; + + // callbacks + devcb_write32 m_write_q; + devcb_write_line m_write_do; +}; + + +class md4332b_device : public md4330b_device +{ +public: + md4332b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); +}; + + +DECLARE_DEVICE_TYPE(MD4330B, md4330b_device) +DECLARE_DEVICE_TYPE(MD4332B, md4332b_device) + +#endif // MAME_VIDEO_MD4330B_H |