System Calls:

S_create	- Create a process.

Undocumented... It's only temporary.

S_send		- Send Message

One of the fundamental, message passing primitives.

Use: Set up a connection and send messages!

Notes:	The Sender becomes blocked until a reply is received.

Calling:
A - File Descriptor aka Connection Descriptor
X/Y - Pointer to Message.
Returns - Status in x/y.

S_recv		- Receive a message.

Use: Setup a channel, and maybe register some namespace. Then call to receive a message.

Notes:	Blocks until a message is received.

Calling:
A - Channel
Returns - Pointer to Message in X/Y. Receive ID in A.

S_reply		- Reply to a message.

Use: Call when you need to reply to a received message.

Notes:	Unblocks the sender.

Calling:
A - Recveive ID
X/Y - Status. (returned to the sender)

S_chkrecv	- Check if any Messages are pending.

S_setSpeed	- Set the speed of the processor! Stick with 20mhz! :)

Calling:
A - Speed. Only values of 1 or 20 are accepted.

S_exit		- Exit a process.

Calling: Just call it!

S_makeChan	- Make a channel

Use: Call this to make a channel to receive messages on.

Calling: 
Returns - Channel ID in A

S_conChan	- Connect to a channel

Use: Connect to a channel if you know it's number.

Calling:
X - Channel Number
Returns - File descriptor in X. (Connection Descriptor).

S_addName	- Add a name to the Pathname space.

Use: After registering a channel, register the channel into the pathname space.

Calling:
A - Channel in low byte and Unit ID in high byte.
X/Y - Pointer to string to add.

S_findChan	- Find and connect to a channel

Use: Call this to find the channel that has a name. i.e. /dev/con

Calling:
X/Y - String of channel to connect.
Returns - FD in X.

S_getMChan	- Get the channel number of the Memory Manager.

Calling:
Returns - Channel number in A.

S_setKeyInt	- Set Keyboard interrupt.

Calling:
A - Frequency of Keyboard interrupt.
X/Y - Pointer to interrupt handler.

S_yield		- Yield the processor to allow other threads to run.

Calling: Nothing
Returns - Nothing