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; Name          getseg -- Get current Segment Values 
; 
; 
; Synopsis      getseg(pcs, pds, pes, pss, psi, pdi, psp, pflag); 
; 
;               unsigned *cs Pointer to where code segment address goes 
;               unsigned *ds Pointer to data segment 
;               unsigned *es Pointer to extra segment 
;               unsigned *ss Pointer to stack segment 
;               unsigned *si Pointer to si register 
;               unsigned *di Pointer to di register 
;               unsigned *sp Pointer to sp register 
;               unsigned *flag Returns flag 
; 
; 
; Returns       cs              value of Code segment 
;               ds              value of Data segment 
;               es              value of Extra segment 
;               ss              value of Stack segment 
;               si              value of SI register ****NOT RELIABLE**** 
;               di              value of DI register 
;               sp              value of Stack Pointer 
;               flag            value of Flags register 
; 
; 
; 
 
 
pgroup  group    prog 
prog    segment  byte public 'PROG' ; Combine with C 'PROG' program segment 
        assume   cs:pgroup 
        public   getseg 
getseg proc     near 
        push     bp                 ; Save the frame pointer 
        mov      bp,sp 
        mov      si,[bp + 04]       ; Get the values for the registers 
        mov      ax,[si] 
        mov      si,[bp + 06] 
        mov      bx, [si] 
        mov      si,[bp + 08] 
        mov      cx, [si] 
        mov      si,[bp + 10] 
        mov      dx,[si] 
;============================================================================== 
        mov ax, cs                  ;Get value of code segment 
        mov bx, ds                  ;data segment 
        mov cx, es                  ;extra segment 
        mov dx, ss                  ;stack segment 
 
 
;============================================================================== 
 
uret:   mov      bp,sp              ; Now recover the values of the 
        mov      si,[bp + 04]       ; parameters 
        mov      [si],ax 
        mov      si, [bp + 06] 
        mov      [si], bx 
        mov      si, [bp + 08] 
        mov      [si], cx 
        mov      si, [bp + 10] 
        mov      [si], dx 
        mov      si, [bp + 12] 
        mov      [si], si 
        mov      si, [bp + 14] 
        mov      [si], di 
        mov      si, [bp + 16] 
        mov      [si], sp 
        mov      al, 00             ;zero out al 
        lahf                        ;load flag into ah 
        mov      si, [bp + 18] 
        mov      [si], ax 
 
 
        mov      ax,0               ; No error 
 
quit:   pop      bp                 ; Get the original frame pointer. 
        ret 
getseg endp 
prog    ends 
        end