first (crude) implementation for Radeon console output

BaS_gcc/include/conout.h

@@ -0,0 +1,63 @@
+#ifndef __CONOUT_H__
+#define __CONOUT_H__
+
+#include "bas_types.h"
+
+/*
+ * conout.h - lowlevel color model dependent screen handling routines
+ *
+ *
+ * Copyright (C) 2004-2016 by Authors:
+ *
+ * Authors:
+ *  MAD     Martin Doering
+ *
+ * This file is distributed under the GPL, version 2 or at your
+ * option any later version.  See doc/license.txt for details.
+ */
+
+
+
+/* Defines for cursor */
+#define  M_CFLASH       0x0001  /* cursor flash         0:disabled 1:enabled */
+#define  M_CSTATE       0x0002  /* cursor flash state   0:off 1:on */
+#define  M_CVIS         0x0004  /* cursor visibility    0:invisible 1:visible */
+
+/*
+ * The visibility flag is also used as a semaphore to prevent
+ * the interrupt-driven cursor blink logic from colliding with
+ * escape function/sequence cursor drawing activity.
+ */
+
+#define  M_CEOL         0x0008  /* end of line handling 0:overwrite 1:wrap */
+#define  M_REVID        0x0010  /* reverse video        0:on        1:off */
+#define  M_SVPOS        0x0020  /* position saved flag. 0:false,    1:true */
+#define  M_CRIT         0x0040  /* reverse video        0:on        1:off */
+
+/* Color related linea variables */
+
+extern int16_t v_col_bg;           /* current background color */
+extern int16_t v_col_fg;           /* current foreground color */
+
+/* Cursor related linea variables */
+
+extern uint8_t *v_cur_ad;         /* current cursor address */
+extern int16_t v_cur_of;           /* cursor offset */
+extern int8_t v_cur_tim;          /* cursor blink timer */
+
+extern int8_t v_period;
+extern int16_t disab_cnt;          /* disable depth count. (>0 means disabled) */
+extern int8_t v_stat_0;           /* video cell system status */
+extern int16_t sav_cur_x;          /* saved cursor cell x */
+extern int16_t sav_cur_y;          /* saved cursor cell y */
+
+/* Prototypes */
+
+extern void ascii_out(int);
+extern void move_cursor(int, int);
+extern void blank_out (int, int, int, int);
+extern void invert_cell(int, int);
+extern void scroll_up(int);
+extern void scroll_down(int);
+
+#endif /* __CONOUT_H__ */