mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-22 14:33:51 +00:00
76 lines
3.5 KiB
NASM
76 lines
3.5 KiB
NASM
; Demo 1: HELLO, WORLDS! / 2018 hxlnt
|
|
; Inspired by Adam Trionfo's Hello World
|
|
; http://www.ballyalley.com/ml/ml_homebrew/helloworld/hello.asm
|
|
; Assemble with Zmac 1.3
|
|
; From: https://github.com/hxlnt/astrocade
|
|
|
|
INCLUDE "hvglib.h" ; Include HVGLIB library
|
|
ORG FIRSTC ; Initialize at beginning of cartridge ROM area
|
|
DB $55 ; ... with the code for a normal menued cartridge
|
|
DW MENUST ; Initialize menu
|
|
DW PrgName ; ... with string at PrgName
|
|
DW PrgStart ; ... such that selecting the program enters PrgStart
|
|
PrgName: DB "HELLO, WORLDS!"; String
|
|
DB 0 ; ... which must be followed by 0
|
|
PrgStart: DI ; Disable interrupts
|
|
; db $ed,$ff
|
|
SYSTEM INTPC ; Begin interpreter mode
|
|
DO SETOUT ; Set output ports
|
|
DB 100*2 ; ... with VBLANK line set to line 100
|
|
DB 112/4 ; ... with color boundary 112 pixels from the left of the screen
|
|
DB 00001000b ; ... with screen interrupts reenabled
|
|
DO COLSET ; Set color palettes
|
|
DW Palettes ; ... with the values at Palettes
|
|
DO FILL ; Set background fill
|
|
DW NORMEM ; ... starting at the beginning of screen RAM
|
|
DW 98*BYTEPL ; ... and going for 100 lines
|
|
DB 00010010b ; ... with a fill pattern of three different colored pixels
|
|
DO STRDIS ; Set string display
|
|
DB 0 ; ... starting 0 pixels from the left of the screen
|
|
DB 32 ; ... and 32 pixels from the top of the screen
|
|
DB 00001100b ; ... with no enlargement, foreground color = 11, background color = 00
|
|
DW PrgName ; ... to show string at PrgName
|
|
; call Begin Music system routine
|
|
DO ACTINT
|
|
DO BMUSIC ; START THE NATIONAL ANTHEM
|
|
DW MUSICWRK ; MUSIC STACK
|
|
DB 11111100B ; 3-VOICE (A,B,C)
|
|
DW ANTHEM ; SCORE
|
|
EXIT ; Exit interpreter mode
|
|
Loop: JP Loop ; Play infinite loop
|
|
Palettes: DB $BF,$00,$00,$00 ; Left color palette (11b, 10b, 01b, 00b)
|
|
DB $E7,$9A,$39,$19 ; Right color palette (11b, 10b, 01b, 00b)
|
|
|
|
; Music stack in RAM
|
|
MUSICWRK EQU $4E7F ; BLOCK 2
|
|
; [...]
|
|
|
|
ANTHEM: MASTER 32
|
|
VOLUME $CC,$0F ; A,B=12, C=15
|
|
NOTE3 12,G1,0,0 ; G1, 0, 0
|
|
NOTE3 12,G1,0,0 ; G1, 0, 0
|
|
NOTE3 36,C2,G1,E1 ; C2, G1, E1
|
|
NOTE3 12,D2,B1,G1 ; D2, B1, G1
|
|
NOTE3 14,E2,C2,G1 ; E2, C2, G1
|
|
NOTE3 16,F2,D2,G1 ; F2, D2, G1
|
|
NOTE3 72,G2,E2,C2 ; G2, E2, C2
|
|
;
|
|
NOTE3 14,C2,F1,A1 ; C2, F1, A1
|
|
NOTE3 16,D2,F1,A1 ; D2, F1, A1
|
|
NOTE3 54,E2,C2,A1 ; E2, C2, A1
|
|
NOTE3 18,F2,D2,G1
|
|
NOTE3 36,D2,B1,G1 ; D2, B1, G1
|
|
NOTE3 72,C2,E1,G1 ; C2, E1, G1
|
|
;
|
|
CHEERS: LEGSTA ; Cheers
|
|
MASTER 24
|
|
VOICEM 11111101B ; A,B,C & Noise
|
|
VOLUME $FF,$1F ; Max. Volume
|
|
;
|
|
PUSHN 5
|
|
L2FE8: DB 30 ; Noise
|
|
NOTE3 25,G6,60,80
|
|
DSJNZ L2FE8
|
|
LEGSTA
|
|
QUIET
|