В "асм" секции надо обявить:
Код
PUBLIC Tmp;
.....
ASM_data SEGMENT DATA ; segment for DATA RAM.
RSEG ASM_data ; switch to this data segment
Tmp: DS 1
EXTRN DATA (Count,Count1)
....
PUBLIC LCD_Init,.....
...
LCD_Init:
......
mov a,Count
.....
В "С" секции:
Код
extern char Tmp;
char Count,Count1;
.....
extern void LCD_Init(void);
....