; Hello world. Load as a cartridge in openmsx. (openmsx hello.rom) ; Copyright 2005 Bas Wijnen <wijnen@debian.org> ; ; This file is part of z80asm. ; ; Z80asm is free software; you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation; either version 3 of the License, or ; (at your option) any later version. ; ; Z80asm is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program. If not, see <http://www.gnu.org/licenses/>. include 'msx-bios.asm' ; symbolic names for bios calls ; header for a rom org 0x4000 db "AB" dw start text: db "This is the source which generated this program:\r\n" incbin 'hello.asm' db 0 start: ld a, 80 ld (0xf3ae), a ; width 80 xor a call CHGMOD ; screen 0 ld hl, text loop: ld a, (hl) and a ; set the z flag if A is 0 jr z,stop ; and return in that case call CHPUT inc hl jr loop stop: jr stop ds 0x8000 - $ ; fill up the rest of the page