; global include file for all .s files to specify model and define macros
    ; if you use an old version of TASM, remove USE16 in the line below !
        .MODEL USE16 LARGE,C
        %MACS
        .LALL
  
        if  @DataSize NE 0
            LARGEDATA   EQU 1
            endif
  
            ; Pop CPU flags. On the 286 this uses an alternate sequence to avoid
; a bug on early versions of the 286
POPFLAGS    macro
if  @Cpu AND 8
    popf        ; popf okay on the 386/486
  
elseif  @Cpu AND 4  ; use alternate sequence on the 286
JMP $+3 ;Jump over IRET
IRET        ;Pops CS, IP, FLAGS
PUSH    CS  ;Removed by IRET
CALL    $-2 ;Pushes IP, removed by IRET
else
    popf        ; popf okay on the 8086/88/186
endif
endm
  
  
; Push all general purpose registers. If 386/486, push 32-bit regs
    ; to support C code compiled with the -3 option
PUSHALL macro
if  @Cpu AND 8  ; PUSHAD available to protect 32-bit regs
pushad
elseif  @Cpu AND 4  ; PUSHA available
pusha
else
    push    ax      ; save user regs on interrupt stack
push    bx
push    cx
push    dx
push    bp
push    si
push    di
endif
endm
  
; Pop all general purpose registers
POPALL  macro
if  @Cpu AND 8  ; PUSHAD available to protect 32-bit regs
popad
nop     ; Avoid bug on some early 386's
elseif  @Cpu AND 4  ; PUSHA available
popa
else
    pop di
    pop si
    pop bp
    pop dx
    pop cx
    pop bx
    pop ax
    endif
    endm
