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.