extrn    v86r_eax:dword, v86r_ebx:dword, v86r_ecx:dword, v86r_edx:dword
extrn    v86r_esi:dword, v86r_edi:dword, v86r_ebp:dword
extrn    v86r_ah:byte, v86r_al:byte, v86r_bh:byte, v86r_bl:byte
extrn    v86r_ch:byte, v86r_cl:byte, v86r_dh:byte, v86r_dl:byte
extrn    v86r_ax:word, v86r_bx:word, v86r_cx:word, v86r_dx:word
extrn    v86r_si:word, v86r_di:word, v86r_bp:word
extrn    v86r_ds:word, v86r_es:word, v86r_fs:word, v86r_gs:word
extrn    _selcode:word, _seldata:word, _selzero:word, _lomembase:dword
extrn    _lomemtop:dword, _himembase:dword, _himemtop:dword, _pspa:dword
extrn    _code16a:dword, _code32a:dword, _getirqvect:dword, _setirqvect:dword
extrn    _sysbyte0:byte, _irqmode:word, _setselector:dword, _exitcode:byte

extrn    _getmem:near, _getlomem:near, _gethimem:near, _lomemsize:near
extrn    _himemsize:near, _ret:near, _exit:near, _getirqmask:near
extrn    _setirqmask:near, _rmpmirqset:near, _rmpmirqfree:near
extrn    _getselector:near, _freeselector:near

; Convert physical pointer to realative pointer
rlp      macro reg, ptr
         mov &reg,&ptr
         sub &reg,_code32a
endm

; Convert realative pointer to physical pointer
php      macro reg, ptr
         mov &reg,&ptr
         add &reg,_code32a
endm

; Output a byte to DX
outb     macro val
         mov al,&val
         out dx,al
endm

; Output a word to DX
outw     macro val
         mov ax,&val
         out dx,ax
endm

; Get interrupt flag status
gif      macro
         mov ax,902h
         int 31h
endm

; Get interrupt flag status and clear
gifc     macro
         mov ax,900h
         int 31h
endm

; Get interrupt flag status and set
gifs     macro
         mov ax,901h
         int 31h
endm

; Get interrupt flag status and set to AL (0=clear, 1=set)
gifal    macro
         mov ah,9
         int 31h
endm

b        equ byte ptr
w        equ word ptr
d        equ dword ptr
o        equ offset
s        equ short