| -------------------------------------------------
| Includefile for assembler userprograms
| this file is especially made for lab use
| and is far from being complete
| -------------------------------------------------

        .include "const.i"

| constant definitions
| ====================

| jumptable offsets

        LCD_Clear       =       18
        LCD_PutChar     =       24
        LCD_SetChar     =       30
        LCD_PutString   =       36
        LCD_SetString   =       42
        LCD_SetPos      =       54

        KEY_Get         =       72
        KEY_Read        =       78
        KEY_Wait        =       84

        OS_Nothing      =       564

| key defs
        KEY1            =       1
        KEY2            =       4
        KEY3            =       16
        KEY4            =       64
        ANYKEY          =       0

| macros
| ======

| macro to call RoBiOS functions over the jumptable
| WARNING d0,d1,a0,a1 are NOT SAVED
.macro  CALLEXEC name=OS_Nothing
        movem.l         %d2-%d7/%a2-%a6,-(%sp)

        move.l          #\name,%d6
        move.l          0x4,%a6
        adda.l          %d6,%a6
        jsr             (%a6)

        movem.l         (%sp)+,%d2-%d7/%a2-%a6
.endm