2021-08-12 01:45:31 +00:00
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; o/~ It's the Title Screen, Yes it's the Title Screen o/~
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2021-08-11 23:29:47 +00:00
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2021-08-12 01:45:31 +00:00
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; by Vince `deater` Weaver vince@deater.net
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.include "hardware.inc"
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.include "zp.inc"
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title:
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jsr HGR2 ; Hi-res graphics, no text at bottom
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; Y=0, A=0 after this called
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2021-08-11 23:29:47 +00:00
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2021-08-12 23:03:55 +00:00
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;========================
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; Music
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;========================
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pt3_init_song=$e00+$A56
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clear_ay_both=$e00+$CDF
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reset_ay_both=$e00+$C9D
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mockingboard_setup_interrupt=$e00+$CEC
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mockingboard_init=$e00+$C8E
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mockingboard_patch=$e00+$DC4
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mockingboard_detect=$e00+$D95
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;===================================
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; Setup Mockingboard
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;===================================
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PT3_ENABLE_APPLE_IIC = 1
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lda #0
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sta DONE_PLAYING
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lda #1
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sta LOOP
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; detect mockingboard
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jsr mockingboard_detect
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bcc mockingboard_notfound
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mockingboard_found:
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; print detected location
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; lda MB_ADDR_H ; $C4 = 4, want $B4 1100 -> 1011
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; and #$87
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; ora #$30
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; sta $7d0+39 ; 23,39
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jsr mockingboard_patch ; patch to work in slots other than 4?
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; lda SOUND_STATUS
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; ora #SOUND_MOCKINGBOARD
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; sta SOUND_STATUS
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;=======================
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; Set up 50Hz interrupt
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;========================
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jsr mockingboard_init
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jsr mockingboard_setup_interrupt
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;============================
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; Init the Mockingboard
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;============================
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jsr reset_ay_both
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jsr clear_ay_both
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;==================
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; init song
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;==================
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jsr pt3_init_song
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mockingboard_notfound:
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cli
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2021-08-11 23:29:47 +00:00
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;************************
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; Title
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;************************
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2021-08-12 01:45:31 +00:00
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do_title:
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2021-08-11 23:29:47 +00:00
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lda #<(title_lzsa)
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sta getsrc_smc+1
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lda #>(title_lzsa)
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sta getsrc_smc+2
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lda #$40
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jsr decompress_lzsa2_fast
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jsr wait_until_keypress
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2021-08-12 23:03:55 +00:00
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sei ; disable music
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2021-08-12 01:45:31 +00:00
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;************************
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; Tips
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;************************
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jsr directions
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lda #LOAD_PEASANT
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sta WHICH_LOAD
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2021-08-11 23:29:47 +00:00
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rts
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2021-08-12 01:45:31 +00:00
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.include "decompress_fast_v2.s"
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.include "wait_keypress.s"
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.include "directions.s"
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.include "hgr_font.s"
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.include "graphics_title/title_graphics.inc"
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