---
name: "exflame"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://carta.tech/man/exflame"
---

# exflame(3alleg)

How to write directly to video memory improving performance. Allegro game programming library.

## NAME

exflame - How to write directly to video memory improving performance. Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**Example exflame**

## DESCRIPTION

This program demonstrates how to write directly to video memory. It implements a simple fire effect, first by calling getpixel() and putpixel(), then by accessing video memory directly a byte at a time, and finally using block memory copy operations.

## SEE ALSO

[**END\_OF\_MAIN**(3alleg)](/man/END_OF_MAIN/3alleg.md), [**PALETTE**(3alleg)](/man/PALETTE/3alleg.md), [**SCREEN\_H**(3alleg)](/man/SCREEN_H/3alleg.md), [**SCREEN\_W**(3alleg)](/man/SCREEN_W/3alleg.md), [**acquire\_screen**(3alleg)](/man/acquire_screen/3alleg.md), [**allegro\_error**(3alleg)](/man/allegro_error/3alleg.md), [**allegro\_init**(3alleg)](/man/allegro_init/3alleg.md), [**allegro\_message**(3alleg)](/man/allegro_message/3alleg.md), [**bmp\_read\_line**(3alleg)](/man/bmp_read_line/3alleg.md), [**bmp\_unwrite\_line**(3alleg)](/man/bmp_unwrite_line/3alleg.md), [**bmp\_write\_line**(3alleg)](/man/bmp_write_line/3alleg.md), [**clear\_keybuf**(3alleg)](/man/clear_keybuf/3alleg.md), [**font**(3alleg)](/man/font/3alleg.md), [**getpixel**(3alleg)](/man/getpixel/3alleg.md), [**install\_keyboard**(3alleg)](/man/install_keyboard/3alleg.md), [**keypressed**(3alleg)](/man/keypressed/3alleg.md), [**line**(3alleg)](/man/line/3alleg.md), [**makecol**(3alleg)](/man/makecol/3alleg.md), [**putpixel**(3alleg)](/man/putpixel/3alleg.md), [**release\_screen**(3alleg)](/man/release_screen/3alleg.md), [**screen**(3alleg)](/man/screen/3alleg.md), [**set\_gfx\_mode**(3alleg)](/man/set_gfx_mode/3alleg.md), [**set\_palette**(3alleg)](/man/set_palette/3alleg.md), [**textout\_ex**(3alleg)](/man/textout_ex/3alleg.md)