Loading code from hard drive

////////////////////////////////////////////
// Store Hello World
////////////////////////////////////////////

SET B, 0x8000
HWI 0
SET [0x8000], 0x1948
SET [0x8001], 0x1965
SET [0x8002], 0x196c
SET [0x8003], 0x196c
SET [0x8004], 0x196f
SET [0x8005], 0x1920
SET [0x8006], 0x1957
SET [0x8007], 0x196f
SET [0x8008], 0x1972
SET [0x8009], 0x196c
SET [0x800a], 0x1964
SET [0x800b], 0x1921

REM only hang on callback
SET C, 0x500
IFL C, PC
  HNG

REM store code
SET A, 1
SET B, 0
SET C, 0
HWI 3

HNG


////////////////////////////////////////////
// Load Hello World
////////////////////////////////////////////

SET A, 0
SET B, 0
SET C, 0x1000
HWI 3

SET PC, 0x1000