P386


Macro    SETUPSEGMENT

SEGMENT _TEXT   PARA PUBLIC 'CODE'
    ASSUME  CS:_TEXT

    Endm

macro   PENTER  STORAGE
;; 17 - Enter a procedue with storage space
;; Procedure enter, uses the 286/386 ENTER opcode
    push    ebp
    mov ebp,esp
        IF      STORAGE
    sub esp,STORAGE
        ENDIF
ENDIF
        endm

macro   PLEAVE
;; 18 - Exit a procedure with stack correction.
    mov esp,ebp
    pop ebp
        endm

macro   PushCREGS
;; 19 - Save registers for C
        push    es
    push    ds   ;The Kernel is responsible for maintaining DS
    push    esi
    push    edi
        cld
        endm

macro   PopCREGS
;; 20 - Restore registers for C
    pop edi
    pop esi
    pop ds ;The Kernel is responsible for maintaining DS
        pop     es
        endm