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-rw-r--r--src/mame/machine/novagbase.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/mame/machine/novagbase.cpp b/src/mame/machine/novagbase.cpp
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+++ b/src/mame/machine/novagbase.cpp
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+// license:BSD-3-Clause
+// copyright-holders:hap
+/******************************************************************************
+
+Novag chess computers base driver
+
+TODO:
+- printer port
+
+******************************************************************************/
+
+#include "emu.h"
+#include "includes/novagbase.h"
+
+
+// machine start/reset
+
+void novagbase_state::machine_start()
+{
+ chessbase_state::machine_start();
+
+ // zerofill/register for savestates
+ m_lcd_control = 0;
+ m_lcd_data = 0;
+
+ save_item(NAME(m_lcd_control));
+ save_item(NAME(m_lcd_data));
+}
+
+void novagbase_state::machine_reset()
+{
+ chessbase_state::machine_reset();
+}
+
+
+/***************************************************************************
+ Helper Functions
+***************************************************************************/
+
+// LCD
+
+void novagbase_state::novag_lcd_palette(palette_device &palette) const
+{
+ palette.set_pen_color(0, rgb_t(138, 146, 148)); // background
+ palette.set_pen_color(1, rgb_t(92, 83, 88)); // lcd pixel on
+ palette.set_pen_color(2, rgb_t(131, 136, 139)); // lcd pixel off
+}
+
+HD44780_PIXEL_UPDATE(novagbase_state::novag_lcd_pixel_update)
+{
+ // char size is 5x8
+ if (x > 4 || y > 7)
+ return;
+
+ if (line < 2 && pos < 8)
+ {
+ // internal: (8+8)*1, external: 1*16
+ bitmap.pix16(1 + y, 1 + line*8*6 + pos*6 + x) = state ? 1 : 2;
+ }
+}