what does this code do? trying to learn the basics

Question

i think i have a good idea of what this code does i was thinking it was better to hear it from the experts

;assex2b.asm

.AREA CODE1 (ABS);

.RADIX H;

.ORG 1000;

LD SP,#1100;

LD A,#98;

OUT (03), A;

again: IN A,(00);

AND A,(00);

JP Z,again;

LD A,#00;

LOOP: OUT (01),A;

CALL DELAY;

INC A;

JP LOOP;

DELAY: PUSH AF;

LD D,#0FF;

DECR: DEC D;

JP NZ,DECR;

POP AF;

RET;

clem57 · Answer

This is assembler for an unknown processor. Out of context, not much can be implied. Maybe if you gave the source where it was found?

Former Member · Answer

It looks like someone had the same assignment in 2007 here: Electronics Forum -> Z80 program op-code descriptions

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