16 lines
623 B
NASM
16 lines
623 B
NASM
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; Prints "Hello world" in terminal
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; Usage: assemble this file with z80asm and insert the resulting bytes
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; via Memory Monitor from address 0xA000 to test SET and RUN commands.
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org 0xA000 ; Set starting position to ram
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ld bc, HELLO_WORLD_STR
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Term_print:
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ld a, (bc) ; bc is the pointer to string's first char
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cp 0 ; compare A content with 0 (subtract 0 from value and set zero flag Z if result is 0)
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jp z, term_print_end
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out (0x00),a ; output char to IO device 0, addr 0
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inc bc ; increment bc to move to next char
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jp Term_print
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term_print_end:
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halt
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HELLO_WORLD_STR: DB "Hello world!",0
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