* tuiDisassem.c (tui_disassemble): New function to disassemble

	* tuiDisassem.c (tui_disassemble): New function to disassemble
	several lines in a buffer.
	(tui_find_disassembly_address): New function to search backward
	or forward a disassembly line.
	(tuiSetDisassemContent): Use tui_disassemble to obtain the real
	content and format it in the window.
	(tuiShowDisassemAndUpdateSource): Remove unused locals.
	(tuiVerticalDisassemScroll): Use tui_find_disassembly_address to
	obtain the address to disassemble for the scrolling.
	* tuiDisassem.h (tuiGetBeginAsmAddress): Update.
	* tuiSourceWin.c (tuiUpdateSourceWindowAsIs): Don't pass symtab.