%include "c32.mac"
;%include "font.inc" 
extern font
extern text_clr

            public segment .text use32
            proc _DrawChar
%$vid_addr  arg 
%$x         arg 
%$y         arg 
%$ch        arg 
            pusha
            mov eax,[ebp+%$x]
            cmp eax, 792
            jnb exit
            mov ebx,[ebp+%$vid_addr]    ;牑啷