mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-17 14:12:58 +00:00
242 lines
3.3 KiB
ArmAsm
242 lines
3.3 KiB
ArmAsm
; o/~ It's the Title Screen, Yes it's the Title Screen o/~
|
|
|
|
; by Vince `deater` Weaver vince@deater.net
|
|
|
|
.include "hardware.inc"
|
|
.include "zp.inc"
|
|
|
|
.include "qload.inc"
|
|
|
|
title:
|
|
jsr HGR2 ; Hi-res graphics, no text at bottom
|
|
; Y=0, A=0 after this called
|
|
|
|
;========================
|
|
; Music
|
|
;========================
|
|
|
|
|
|
;===================================
|
|
; Setup Mockingboard
|
|
;===================================
|
|
|
|
PT3_ENABLE_APPLE_IIC = 1
|
|
|
|
lda #0
|
|
sta DONE_PLAYING
|
|
|
|
lda #1
|
|
sta LOOP
|
|
|
|
; detect mockingboard
|
|
jsr mockingboard_detect
|
|
|
|
bcc mockingboard_notfound
|
|
|
|
mockingboard_found:
|
|
|
|
; print detected location
|
|
|
|
; lda MB_ADDR_H ; $C4 = 4, want $B4 1100 -> 1011
|
|
; and #$87
|
|
; ora #$30
|
|
|
|
; sta $7d0+39 ; 23,39
|
|
|
|
jsr mockingboard_patch ; patch to work in slots other than 4?
|
|
|
|
; lda SOUND_STATUS
|
|
; ora #SOUND_MOCKINGBOARD
|
|
; sta SOUND_STATUS
|
|
|
|
;=======================
|
|
; 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
|
|
|
|
mockingboard_notfound:
|
|
|
|
;=========================
|
|
; set up hgr lookup tables
|
|
;=========================
|
|
|
|
jsr hgr_make_tables
|
|
|
|
|
|
;=======================
|
|
; start music
|
|
;=======================
|
|
|
|
cli
|
|
|
|
|
|
;************************
|
|
; Title
|
|
;************************
|
|
|
|
do_title:
|
|
|
|
lda #0
|
|
sta FRAME
|
|
|
|
;======================
|
|
; load regular to $40
|
|
|
|
lda #<(title_trogfree_lzsa)
|
|
sta getsrc_smc+1
|
|
lda #>(title_trogfree_lzsa)
|
|
sta getsrc_smc+2
|
|
|
|
lda #$40
|
|
|
|
jsr decompress_lzsa2_fast
|
|
|
|
|
|
;======================
|
|
; load trogdor to $20
|
|
|
|
lda #<(title_lzsa)
|
|
sta getsrc_smc+1
|
|
lda #>(title_lzsa)
|
|
sta getsrc_smc+2
|
|
|
|
lda #$20
|
|
|
|
jsr decompress_lzsa2_fast
|
|
|
|
|
|
bit KEYRESET
|
|
|
|
;=====================
|
|
; main loop
|
|
|
|
; we're supposed to animate flame, flash the "CLICK ANYWHERE" sign
|
|
; and show trogdor when his music plays
|
|
|
|
reset_altfire:
|
|
lda #50
|
|
sta ALTFIRE
|
|
|
|
lda #<altfire_sprite
|
|
sta alt_smc1+1
|
|
sta alt_smc2+1
|
|
|
|
lda #>altfire_sprite
|
|
sta alt_smc1+2
|
|
sta alt_smc2+2
|
|
|
|
title_loop:
|
|
|
|
lda C_VOLUME ; see if volume on trogdor channel
|
|
beq no_trog
|
|
|
|
bit PAGE1
|
|
jmp done_trog
|
|
|
|
no_trog:
|
|
bit PAGE2
|
|
done_trog:
|
|
|
|
lda FRAME ; skip most of time
|
|
and #$3f
|
|
bne altfire_good
|
|
|
|
|
|
; do altfire loop
|
|
|
|
ldx ALTFIRE
|
|
lda hposn_high,X
|
|
sta GBASH
|
|
lda hposn_low,X
|
|
sta GBASL
|
|
|
|
ldy #34
|
|
inner_altfire:
|
|
|
|
lda (GBASL),Y
|
|
pha
|
|
alt_smc1:
|
|
lda $d000
|
|
sta (GBASL),Y
|
|
pla
|
|
alt_smc2:
|
|
sta $d000
|
|
|
|
inc alt_smc1+1
|
|
inc alt_smc2+1
|
|
bne alt_noflo
|
|
|
|
inc alt_smc1+2
|
|
inc alt_smc2+2
|
|
|
|
|
|
alt_noflo:
|
|
iny
|
|
cpy #40
|
|
bne inner_altfire
|
|
|
|
|
|
inc ALTFIRE
|
|
lda ALTFIRE
|
|
cmp #135
|
|
beq reset_altfire
|
|
|
|
altfire_good:
|
|
|
|
inc FRAME
|
|
|
|
lda KEYPRESS ; 4
|
|
bpl title_loop ; 3
|
|
bit KEYRESET ; clear the keyboard buffer
|
|
|
|
|
|
bit PAGE2 ; return to viewing PAGE2
|
|
|
|
|
|
sei ; disable music
|
|
|
|
jsr clear_ay_both
|
|
|
|
;************************
|
|
; Tips
|
|
;************************
|
|
|
|
jsr directions
|
|
|
|
|
|
lda #LOAD_INTRO
|
|
sta WHICH_LOAD
|
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.include "decompress_fast_v2.s"
|
|
.include "wait_keypress.s"
|
|
|
|
.include "directions.s"
|
|
|
|
.include "hgr_font.s"
|
|
.include "hgr_tables.s"
|
|
|
|
.include "graphics_title/title_graphics.inc"
|
|
altfire:
|
|
.include "graphics_title/altfire.inc"
|