Common module

Functions

Name	Decription	Arguments	Used registers	Note
tgbl_initVGA	Set VGA 80x25 text mode		AX
tgbl_fillScreenArea	Fill screen area with char	AL=char, AH=color, DI=VRAM offset, DH=height, DL=width	AX, BX, CX, DX, DI	Can be called with a macro tgblm_fillScreenArea
tgbl_shutdown	Shutdown

Name	Decription	Arguments	Used registers
tgblm_fillScreen	Fill screen with char	char, color	AX, DI
tgblm_clearScreen	Clear screen		AX, DI
tgblm_fillScreenArea	Fill screen area with char	char, color, upper row, left column, height, width	AX, BX, CX, DX, DI
tgblm_clearScreenArea	Clear screen area	upper row, left column, height, width	AX, BX, CX, DX, DI
tgblm_hideCursor	Hide cursor		AH, CH
tgblm_softReboot	Soft reboot