static int fb_write(int c) {
uint16 *t = fb;
if(!t)
t = vram_s;
if(c != '\n') {
bfont_draw(t + cur_y * fb_w + cur_x, fb_w, 1, c);
cur_x += FONT_CHAR_WIDTH;
}
/* If we have a newline or we've gone past the end of the line, advance down
one line. */
if(c == '\n' || cur_x + FONT_CHAR_WIDTH > max_x) {
cur_y += FONT_CHAR_HEIGHT;
cur_x = min_x;
/* If going down a line put us over the edge of the screen, move
everything up a line, fixing the problem. */
if(cur_y + FONT_CHAR_HEIGHT > max_y) {
memcpy2(t + min_y * fb_w, t + (min_y + FONT_CHAR_HEIGHT) * fb_w,
(cur_y - min_y - FONT_CHAR_HEIGHT) * fb_w * 2);
cur_y -= FONT_CHAR_HEIGHT;
memset2(t + cur_y * fb_w, 0, FONT_CHAR_HEIGHT * fb_w * 2);
}
}
return 1;
}
/* initialize draw stuff: get our texture of the font, etc */
void conio_draw_init() {
uint16 *vram;
int x, y;
font_texture = pvr_mem_malloc(256*256*2);
vram = (uint16 *)font_texture;
for (y = 0; y < 8; y++) {
for (x = 0; x < 16; x++) {
bfont_draw(vram, 256, 0, y*16 + x);
vram += 16;
}
vram += 23*256;
}
}
static void assert_puts (const char *in_str)
{
uint16 *vram_index;
static char null_string[] = "NULL";
if (!in_str)
in_str = null_string;
/*
STAGE: Position our text correctly.
Assumes 640x - but then, so does bfont.
*/
vram_index = VIDEO_VRAM_START;
vram_index += INDENT_BYTES;
vram_index += (VCON_FIRST_PIXEL + (vc_line * LINE_SPACING)) * 640;
/* STAGE: Make sure we handle '\n's. */
while (*in_str)
{
if (*in_str == '\n')
{
vc_line++;
in_str++;
vram_index = VIDEO_VRAM_START;
vram_index += INDENT_BYTES;
vram_index += (VCON_FIRST_PIXEL + (vc_line * LINE_SPACING)) * 640;
continue;
}
/*
STAGE: If the biosfont library is locked, just blank the screen.
The fact we clear multiple times is not a bug. It's just
laziness on the coder's part.
*/
if (!(bfont_draw (vram_index += 12, 640, *in_str++)))
return video_clear (100, 0, 0);
}
vc_line++;
}
void setup_util_texture() {
uint16 *vram;
int x, y;
pvr_poly_cxt_t cxt;
util_texture = pvr_mem_malloc(256*256*2);
printf("util_texture at %08x\n", util_texture);
vram = (uint16 *)util_texture;
/* First dump in the mouse cursor */
for (y=0; y<16; y++) {
for (x=0; x<10; x++) {
if (mouse1_xpm[y*10+x] == '.')
*vram = 0xffff;
else if (mouse1_xpm[y*10+x] == '+')
*vram = 0xf000;
else
*vram = 0x0000;
vram++;
}
vram += 256 - 10;
}
/* Now add the rest as ASCII characters */
vram = (uint16 *)util_texture;
for (y=0; y<8; y++) {
for (x=0; x<16; x++) {
/* Skip the first (it's a mouse pointer) */
if (x != 0 || y != 0)
bfont_draw(vram, 256, 0, y*16+x);
vram += 16;
}
vram += 23*256;
}
/* Setup a polygon header for the util texture */
pvr_poly_cxt_txr(&cxt, PVR_LIST_TR_POLY, PVR_TXRFMT_ARGB4444 | PVR_TXRFMT_NONTWIDDLED,
256, 256, util_texture, PVR_FILTER_NONE);
pvr_poly_compile(&util_txr_hdr, &cxt);
}
