8086/8087/8088 MACRO ASSEMBLER    PXIOS                                                     18:10:30  04/22/83  PAGE    1


VAX/VMS 8086/8087/8088 MACRO ASSEMBLER V1.0 ASSEMBLY OF MODULE PXIOS
OBJECT MODULE PLACED IN PXIOS.OBJ
NO INVOCATION LINE CONTROLS


LOC  OBJ                  LINE     SOURCE

                             1     ;       Interface to call Physical XIOS
                             2     ;       From a process not in the O.S.
                             3     ;       code reentrant, separate data areas per process
                             4     ;       used by VOUT and PIN RSPs
                             5     
                             6     name    pxios
                             7     
                             8     cgroup  group   code
                             9     dgroup  group   dats
                            10     
                            11     assume  cs:cgroup
                            12     assume  ds:dgroup
                            13     
----                        14     dats    segment public 'DATA'
                            15             extrn   rsplink:word    ;segment of SYSDAT
                            16             extrn   udaseg:word     ;UDA must be in ES for XIOS call
                            17             extrn   u_retseg:word, u_wrkseg:word, u_insys:byte
----                        18     dats    ends
                            19     
----                        20     code    segment public 'CODE'
                            21             public  pxios1, pxios2, pxios3, pxios4
  0028                      22             xiosmod equ     28h
  0010                      23             p_uda   equ     10h
  0068                      24             rlr     equ     68h
                            25     
  0000                      26     pxios2  equ     pxios1
  0000                      27     pxios3  equ     pxios1
  0000                      28     pxios4  equ     pxios1
                            29     
0000                        30     pxios1  proc
0000 55                     31             push    bp
0001 8BEC                   32             mov     bp,sp
                            33     
0003 8B4608                 34             mov     ax,[bp+8]               ;set up registers
0006 8B4E06                 35             mov     cx,[bp+6]
0009 8B5604                 36             mov     dx,[bp+4]
                            37     
000C 1E                     38             push    ds
000D 8E1E0000       E       39             mov     ds,rsplink              ;SYSDAT
0011 8B366800               40             mov     si,ds:word ptr rlr      ;ready list root
0015 8E4410                 41             mov     es,[p_uda+si]           ;UDA
0018 FF1E2800               42             call    ds:dword ptr [xiosmod]
001C 1F                     43             pop     ds
                            44     
001D 5D                     45             pop     bp
001E C20600                 46             ret     6
                            47     pxios1  endp
                            48     
----                        49     code    ends
                            50     end
8086/8087/8088 MACRO ASSEMBLER    PXIOS                                                    18:10:30  04/22/83  PAGE    2


LOC  OBJ                  LINE     SOURCE


ASSEMBLY COMPLETE, NO ERRORS FOUND