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added ST fonts

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This commit is contained in:
Markus Fröschle
2014-06-21 19:48:22 +00:00
parent 97c42b3d0d
commit 92fd2cadaf
3 changed files with 101 additions and 4 deletions
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1
BaS_gcc/Makefile
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@@ -124,6 +124,7 @@ CSRCS= \
radeon_accel.c \
radeon_cursor.c \
radeon_monitor.c \
fnt_st_8x16.c \
\
x86decode.c \
x86sys.c \

98
BaS_gcc/include/font.h Normal file
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@@ -0,0 +1,98 @@
/*
* font.h - font specific definitions
*
* Copyright (c) 2001 Lineo, Inc.
* Copyright (c) 2004 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.
*/
#ifndef FONT_H
#define FONT_H
#include <stdint.h>
/* font header flags */
#define F_DEFAULT 1 /* this is the default font (face and size) */
#define F_HORZ_OFF 2 /* there are left and right offset tables */
#define F_STDFORM 4 /* is the font in standard format */
#define F_MONOSPACE 8 /* is the font monospaced */
/* font style bits */
#define F_THICKEN 1
#define F_LIGHT 2
#define F_SKEW 4
#define F_UNDER 8
#define F_OUTLINE 16
#define F_SHADOW 32
/* font specific linea variables */
extern const uint16_t *v_fnt_ad; /* address of current monospace font */
extern const uint16_t *v_off_ad; /* address of font offset table */
extern uint16_t v_fnt_nd; /* ascii code of last cell in font */
extern uint16_t v_fnt_st; /* ascii code of first cell in font */
extern uint16_t v_fnt_wr; /* font cell wrap */
/* character cell specific linea variables */
extern uint16_t v_cel_ht; /* cell height (width is 8) */
extern uint16_t v_cel_mx; /* needed by MiNT: columns on the screen minus 1 */
extern uint16_t v_cel_my; /* needed by MiNT: rows on the screen minus 1 */
extern uint16_t v_cel_wr; /* needed by MiNT: length (in int8_ts) of a line of characters */
/*
* font_ring is a struct of four pointers, each of which points to
* a list of font headers linked together to form a string.
*/
extern struct font_head *font_ring[4]; /* Ring of available fonts */
extern int16_t font_count; /* all three fonts and NULL */
/* the font header descibes a font */
struct font_head {
int16_t font_id;
int16_t point;
int8_t name[32];
uint16_t first_ade;
uint16_t last_ade;
uint16_t top;
uint16_t ascent;
uint16_t half;
uint16_t descent;
uint16_t bottom;
uint16_t max_char_width;
uint16_t max_cell_width;
uint16_t left_offset; /* amount character slants left when skewed */
uint16_t right_offset; /* amount character slants right */
uint16_t thicken; /* number of pixels to smear */
uint16_t ul_size; /* size of the underline */
uint16_t lighten; /* mask to and with to lighten */
uint16_t skew; /* mask for skewing */
uint16_t flags;
const uint8_t *hor_table; /* horizontal offsets */
const uint16_t *off_table; /* character offsets */
const uint16_t *dat_table; /* character definitions */
uint16_t form_width;
uint16_t form_height;
struct font_head *next_font;/* pointer to next font */
uint16_t font_seg;
};
/* prototypes */
void font_init(void); /* initialize BIOS font ring */
void font_set_default(void); /* choose the default font */
#endif /* FONT_H */

6
BaS_gcc/video/fnt_st_8x16.c
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@@ -7,11 +7,9 @@
* option any later version. See doc/license.txt for details.
*/
#include "config.h"
#include "portab.h"
#include "font.h"
static const UWORD off_table[] =
static const uint16_t off_table[] =
{
0x0000, 0x0008, 0x0010, 0x0018, 0x0020, 0x0028, 0x0030, 0x0038,
0x0040, 0x0048, 0x0050, 0x0058, 0x0060, 0x0068, 0x0070, 0x0078,
@@ -48,7 +46,7 @@ static const UWORD off_table[] =
0x0800,
};
static const UWORD dat_table[] =
static const uint16_t dat_table[] =
{
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1104,