Added files and got initial support working. ZX81 display needed.

1 files changed, 135 insertions, 0 deletions

diff --git a/include/keyboard.h b/include/keyboard.h
new file mode 100644
index 0000000..f0671f0
--- /dev/null
+++ b/include/keyboard.h
@@ -0,0 +1,135 @@
+/*
+   3ds81 - Nintendo ZX81 emulator.
+
+   Copyright (C) 2021  Ian Cowburn <ianc@noddybox.co.uk>
+   
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 3
+   of the License, or (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.
+  
+   $Id: keyboard.h 61 2008-11-03 17:07:32Z ianc $
+*/
+#ifndef DS81_KEYBOARD_H
+#define DS81_KEYBOARD_H
+
+#include <stdio.h>
+
+/* Note that the first 40 values purposefully are the keyboard matrix keys.
+   Note also that they are in display order, not matrix order.
+*/
+typedef enum
+{
+    SK_1,
+    SK_2,
+    SK_3,
+    SK_4,
+    SK_5,
+
+    SK_6,
+    SK_7,
+    SK_8,
+    SK_9,
+    SK_0,
+
+    SK_Q,
+    SK_W,
+    SK_E,
+    SK_R,
+    SK_T,
+
+    SK_Y,
+    SK_U,
+    SK_I,
+    SK_O,
+    SK_P,
+
+    SK_A,
+    SK_S,
+    SK_D,
+    SK_F,
+    SK_G,
+
+    SK_H,
+    SK_J,
+    SK_K,
+    SK_L,
+    SK_NEWLINE,
+
+    SK_SHIFT,
+    SK_Z,
+    SK_X,
+    SK_C,
+    SK_V,
+
+    SK_B,
+    SK_N,
+    SK_M,
+    SK_PERIOD,
+    SK_SPACE,
+
+    SK_ABOUT,
+    SK_CONFIG,
+    SK_PAD_UP,
+    SK_PAD_DOWN,
+    SK_PAD_LEFT,
+    SK_PAD_RIGHT,
+    SK_PAD_A,
+    SK_PAD_B,
+    SK_PAD_X,
+    SK_PAD_Y,
+    SK_PAD_R,
+    SK_PAD_L,
+    SK_PAD_START,
+    SK_PAD_SELECT,
+
+    NUM_SOFT_KEYS
+} SoftKey;
+
+typedef struct
+{
+    SoftKey	key;
+    int		pressed;
+} SoftKeyEvent;
+
+
+/* Display the soft keyboard.
+*/
+void	SK_DisplayKeyboard(void);
+
+/* Returns TRUE while there are still key events for this cycle
+*/
+int	SK_GetEvent(SoftKeyEvent *ev);
+
+/* Returns TRUE while there are still key events for this cycle.  Unlike 
+   SK_GetEvent this does not do joypad mappings.
+*/
+int	SK_GetBareEvent(SoftKeyEvent *ev);
+
+/* Sets a key to be 'sticky'.
+*/
+void	SK_SetSticky(SoftKey key, int is_sticky);
+
+/* Map the joypad to keys.  Note that when mapped that both the key and the
+   joypad code will be generated.
+*/
+void	SK_DefinePad(SoftKey pad, SoftKey key);
+
+/* Returns a name for key symbols.
+*/
+const char *SK_KeyName(SoftKey pad);
+
+/* Allows the keyboard to save/restore its state from a stream
+*/
+void	SK_SaveSnapshot(FILE *fp);
+void	SK_LoadSnapshot(FILE *fp);
+
+#endif	/* DS81_KEYBOARD_H */