dos33fsprogs/demos/second/start.s
2023-10-28 12:12:24 -04:00

184 lines
2.8 KiB
ArmAsm

; Apple ][ Second Reality, Startup for Disk1
;
; by deater (Vince Weaver) <vince@deater.net>
;.include "zp.inc"
;.include "hardware.inc"
;.include "qload.inc"
;.include "music.inc"
second_start:
;=====================
; initializations
;=====================
jsr hardware_detect ; FIXME: remove when hook up part00
jsr hgr_make_tables
;===================
; restart?
;===================
restart:
lda #0
sta DRAW_PAGE
;==================================
; load sound into the language card
; into $D000 set 1
;==================================
; read/write RAM, use $d000 bank1
bit $C083
bit $C083
lda #0
sta WHICH_LOAD
jsr load_file
lda #0
sta DONE_PLAYING
lda #1
sta LOOP
; patch mockingboard
jsr mockingboard_patch ; patch to work in slots other than 4?
;=======================
; Set up 50Hz interrupt
;========================
jsr mockingboard_init
jsr mockingboard_setup_interrupt
;============================
; Init the Mockingboard
;============================
jsr reset_ay_both
jsr clear_ay_both
;==================
; init song
;==================
jsr pt3_init_song
dont_enable_mc:
skip_all_checks:
;===================
; Load graphics
;===================
load_loop:
; jsr HGR
; bit SET_GR
; bit HIRES
; bit FULLGR
bit PAGE1
;=======================
; Load, copy to AUXMEM
;=======================
sta $C008 ; use MAIN zero-page/stack/language card
;====================
; load POLAR to $6000
lda #4 ; POLAR
sta WHICH_LOAD
jsr load_file
;======================
; copy POLAR to AUX $1000
lda #$10 ; AUX dest $1000
ldy #$60 ; MAIN src $6000
ldx #16 ; 16 pages
jsr copy_main_aux
;=======================
; run POLAR
;============================================
; copy POLAR from AUX $1000 to MAIN $8000
lda #$10 ; AUX src $1000
ldy #$80 ; MAIN dest $8000
ldx #16 ; 16 pages
jsr copy_aux_main
; setup music
; ocean=pattern24 (3:07) pattern#43
lda #43
sta current_pattern_smc+1
jsr pt3_set_pattern
cli
; run polar
jsr $8000
;=======================
; start music
;=======================
; lda #5 ; POLAR
; lda #4 ; OCEAN
; lda #3 ; THREED
; lda #2 ; TUNNEL
; lda #1 ; INTRO
; sta WHICH_LOAD
; jsr load_file
; setup music
; ocean=pattern24 (3:07) pattern#43
; lda #43
; sta $55A+$D000 ;current_pattern_smc+1
; jsr $559+$D000 ; pt3_set_pattern
; cli
; jmp $4000
; jmp $6000
forever:
jmp forever
.align $100
.include "wait_keypress.s"
.include "zx02_optim.s"
.include "title.s"
config_string:
; 0123456789012345678901234567890123456789
.byte 0,23,"APPLE II?, 48K, MOCKINGBOARD: NO, SSI: N",0
.include "pt3_lib_mockingboard_patch.s"
.include "hardware_detect.s"