* harbour/src/rtl/gtdos/gtdos.c
! fixed MK_FP() macro
* use HB_PEEK_BYTE() and HB_POKE_BYTE() macros if possible
- removed POKE_BYTE() macro
* renamed outport() to outportw()
; question: why this code was updating number of lines at 0x0004:0084
after some set modes? Is it necessary?