Uploaded January 2022 | Updated September 2026, 4 hours ago

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Today we will explore the micro Professor 1 plus, also known as the MPF-1-P
We will have a look at the system and it's peripherals and do a little more advanced "Hello World" like program. We used the MPF-1 in college back in 1990, and by then it was already aging.

CODE:
ORG 0FB00H
CALL 09B9H
CALL 09CAH
LD IX,0FF2CH
LD HL,6FD0H
PUSH HL
LOOP LD B,32
LOOP2 CALL 029BH
DJNZ LOOP2
EX (SP), IX
CP 0FFH
JR LOOP1
SOUND LD HL, 0100H
LD C,16
CALL 0974H
JR LOOP1
CODER DEFM "CALLOUS CODER"
DEFB 0DH
END