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- ( *************************** MODULE IO *********************************
- io routines for monitor
-
- Write IO routines specific to your hardware.
- The monitor has been used with serial RS-232 io routines and
- using an IBM-PC or AMIGA as the host. This allows the user to
- use a terminal emulation program to communicate with the target and
- download software generated from the fc compiler.
-
- )
-
- : init_io ( -- )
- ( Initialize io system )
- ( Replace this code with system specific code for your target )
- 1 upr! ( point page register to actel )
- 0xC000 ubr! ( point base register to actel )
- 0x1000 0 u! ( turn on testport )
- ;
-
-
- : emit ( u -- )
- ( Write character u to the output device )
- ( Replace this code with system specific code )
- 7 of( 2* )
- begin
- 0 3 u! ( reset watchdog timer )
- 0x200 0 u@ and ( wait for transmitter ready )
- until
- 1 u! ( send byte )
- ;
-
-
- : key ( -- u )
- ( Wait for input, return input character as u )
- ( Replace this code with system specific code )
- begin
- 0 3 u! ( reset watchdog timer )
- 0x100 0 u@ and ( wait for receiver ready )
- until
- 1 u@ ( read the char )
- 7 of( U2/ ) ( shift it into the low byte )
- ;
-
-