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#include "global.h"
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#include "global.h"
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#include "lcdconsole.h"
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#include "lcdconsole.h"
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#include "drawing.h"
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#include "drawing.h"
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#include "util.h"
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#include "util.h"
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#include "contextswitch.h"
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#define OFFSETX LCDCONSOLE_OFFSETX
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#define OFFSETX LCDCONSOLE_OFFSETX
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#define OFFSETY LCDCONSOLE_OFFSETY
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#define OFFSETY LCDCONSOLE_OFFSETY
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#define PIXELBYTES (LCD_BYTESPERPIXEL)
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#define PIXELBYTES (LCD_BYTESPERPIXEL)
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#define ROWBYTES (FONT_HEIGHT * LINEBYTES)
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#define ROWBYTES (FONT_HEIGHT * LINEBYTES)
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#define OFFSETBYTES (LINEBYTES * OFFSETY + PIXELBYTES * OFFSETX)
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#define OFFSETBYTES (LINEBYTES * OFFSETY + PIXELBYTES * OFFSETX)
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static unsigned char framebuf[LCD_FRAMEBUFSIZE];
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static unsigned char framebuf[LCD_FRAMEBUFSIZE];
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static unsigned int current_row;
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static unsigned int current_row IBSS_ATTR;
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static unsigned int current_col;
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static unsigned int current_col IBSS_ATTR;
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static bool lcdconsole_needs_update IBSS_ATTR;
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void lcdconsole_init()
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void lcdconsole_init()
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{
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{
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  memset(framebuf, -1, sizeof(framebuf));
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    memset(framebuf, -1, sizeof(framebuf));
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  current_row = 0;
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    current_row = 0;
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  current_col = -1;
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    current_col = -1;
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    lcdconsole_needs_update = false;
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}
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}
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void lcdconsole_putc(char string, int fgcolor, int bgcolor)
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void lcdconsole_putc_noblit(char string, int fgcolor, int bgcolor)
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{
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{
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  if (string == '\r') return;
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    if (string == '\r') return;
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  current_col++;
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    current_col++;
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  if (string == '\n')
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    if (string == '\n')
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  {
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    {
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    current_col = -1;
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        current_col = -1;
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    current_row++;
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        current_row++;
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    return;
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        return;
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  }
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    }
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  if (string == '\t')
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    if (string == '\t')
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  {
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    {
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    current_col |= 3;
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        current_col |= 3;
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    return;
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        return;
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  }
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    }
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  if (current_col >= LCDCONSOLE_COLS)
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    if (current_col >= LCDCONSOLE_COLS)
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  {
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    {
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    current_col = 0;
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        current_col = 0;
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    current_row++;
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        current_row++;
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  }
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    }
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  if (current_row >= LCDCONSOLE_ROWS)
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    if (current_row >= LCDCONSOLE_ROWS)
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  {
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    {
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    int offset = current_row - LCDCONSOLE_ROWS + 1;
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        int offset = current_row - LCDCONSOLE_ROWS + 1;
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    memcpy(&framebuf[LINEBYTES * OFFSETY], &framebuf[LINEBYTES * OFFSETY + ROWBYTES * offset],
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        memcpy(&framebuf[LINEBYTES * OFFSETY], &framebuf[LINEBYTES * OFFSETY + ROWBYTES * offset],
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           ROWBYTES * (LCDCONSOLE_ROWS - offset));
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            ROWBYTES * (LCDCONSOLE_ROWS - offset));
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    memset(&framebuf[LINEBYTES * OFFSETY + ROWBYTES * (LCDCONSOLE_ROWS - offset)],
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        memset(&framebuf[LINEBYTES * OFFSETY + ROWBYTES * (LCDCONSOLE_ROWS - offset)],
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           -1, ROWBYTES * offset);
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            -1, ROWBYTES * offset);
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    current_row = LCDCONSOLE_ROWS - 1;
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        current_row = LCDCONSOLE_ROWS - 1;
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  }
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    }
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  renderchar(&framebuf[OFFSETBYTES + ROWBYTES * current_row + COLBYTES * current_col],
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    renderchar(&framebuf[OFFSETBYTES + ROWBYTES * current_row + COLBYTES * current_col],
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             fgcolor, bgcolor, string, LINEBYTES);
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        fgcolor, bgcolor, string, LINEBYTES);
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}
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}
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void lcdconsole_puts(const char* string, int fgcolor, int bgcolor)
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void lcdconsole_puts_noblit(const char* string, int fgcolor, int bgcolor)
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{
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{
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  while (*string) lcdconsole_putc(*string++, fgcolor, bgcolor);
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    while (*string) lcdconsole_putc_noblit(*string++, fgcolor, bgcolor);
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}
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}
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void lcdconsole_update()
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void lcdconsole_update()
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{
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{
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    uint32_t mode = enter_critical_section();
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    if (displaylcd_busy())
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    {
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        lcdconsole_needs_update = true;
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        leave_critical_section(mode);
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        return;
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    }
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    leave_critical_section(mode);
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  displaylcd(0, LCD_WIDTH - 1, 0, LCD_HEIGHT - 1, framebuf, 0);
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    displaylcd(0, LCD_WIDTH - 1, 0, LCD_HEIGHT - 1, framebuf, 0);
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}
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void lcdconsole_putc(char string, int fgcolor, int bgcolor)
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{
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    lcdconsole_putc_noblit(string, fgcolor, bgcolor);
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    lcdconsole_update();
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}
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void lcdconsole_puts(const char* string, int fgcolor, int bgcolor)
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{
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    while (*string) lcdconsole_putc_noblit(*string++, fgcolor, bgcolor);
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    lcdconsole_update();
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}
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void lcdconsole_callback()
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{
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    if (lcdconsole_needs_update)
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    {
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        displaylcd(0, LCD_WIDTH - 1, 0, LCD_HEIGHT - 1, framebuf, 0);
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        lcdconsole_needs_update = false;
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    }
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}
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}