;***************************************************************************
; DEFINE SECTION
;***************************************************************************
Intensity_5F EQU $F2A5 ; BIOS Intensity routine
Print_Str_d EQU $F37A ; BIOS print routine
Wait_Recal EQU $F192 ; BIOS recalibration
music1 EQU $FD0D ; address of a (BIOS ROM)
; music
; start of vectrex memory with cartridge name...
ORG 0
;***************************************************************************
; HEADER SECTION
;***************************************************************************
DB "g GCE 1998", $80 ; 'g' is copyright sign
DW music1 ; music from the rom
DB $F8, $50, $20, -$56 ; height, width, rel y, rel x
; (from 0,0)
DB "HELLO WORLD PROG 1",$80; some game information,
; ending with $80
DB 0 ; end of game header
;***************************************************************************
; CODE SECTION
;***************************************************************************
; here the cartridge program starts off
main:
JSR Wait_Recal ; Vectrex BIOS recalibration
JSR Intensity_5F ; Sets the intensity of the
; vector beam to $5f
LDU #hello_world_string ; address of string
LDA #$10 ; Text position relative Y
LDB #-$50 ; Text position relative X
JSR Print_Str_d ; Vectrex BIOS print routine
BRA main ; and repeat forever
;***************************************************************************
; DATA SECTION
;***************************************************************************
hello_world_string:
DB "HELLO WORLD" ; only capital letters
DB $80 ; $80 is end of string
;***************************************************************************
END main
;***************************************************************************