171 lines
2.4 KiB
ArmAsm
171 lines
2.4 KiB
ArmAsm
; Yet Another HR project
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;
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; by deater (Vince Weaver) <vince@deater.net>
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.include "zp.inc"
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.include "hardware.inc"
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hires_start:
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;===================
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; set graphics mode
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;===================
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jsr HOME
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jsr HGR
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; bit HIRES
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bit FULLGR
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; bit SET_GR
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; bit PAGE1
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;====================
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; set up tables
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;====================
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lda #$20
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sta HGR_PAGE
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jsr hgr_make_tables
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;=========================================
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; detect if we have a language card (64k)
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; and load sound into it if possible
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;===================================
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lda #0
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sta SOUND_STATUS ; clear out, sound enabled
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jsr detect_language_card
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bcs no_language_card
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yes_language_card:
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; update sound status
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lda SOUND_STATUS
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ora #SOUND_IN_LC
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sta SOUND_STATUS
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;==================================
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; load sound into the language card
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; into $D000 set 1
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;==================================
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; read/write RAM, use $d000 bank1
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bit $C083
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bit $C083
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lda #<purple_data
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sta ZX0_src
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lda #>purple_data
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sta ZX0_src+1
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lda #$D0 ; decompress to $D000
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jsr full_decomp
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; read ROM/no-write
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bit $C082
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no_language_card:
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;===================
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;===================
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; scroll the logo
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;===================
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;===================
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scroll_logo:
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;===================
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; decomress to $a000
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; size in ldsizeh:ldsizel (f1/f0)
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lda #<vid_top
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sta ZX0_src
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lda #>vid_top
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sta ZX0_src+1
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lda #$40
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jsr full_decomp
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;======================
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; scroll up vertically
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;======================
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jsr hgr_logo_vscroll
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;===================
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; Do Title Screen
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;===================
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load_loop:
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;==========================
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; Load Title Image
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;===========================
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load_title_image:
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; size in ldsizeh:ldsizel (f1/f0)
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lda #<title_data
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sta ZX0_src
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lda #>title_data
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sta ZX0_src+1
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lda #$20
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jsr full_decomp
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;==========================
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; Play sound
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;===========================
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jsr play_purple
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wait_until_keypress:
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lda KEYPRESS ; 4
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bpl wait_until_keypress ; 3
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bit KEYRESET ; clear the keyboard buffer
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and #$7f
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cmp #'1'
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bcc which_ok
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cmp #'4'
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bcs which_ok
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jmp done
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which_ok:
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jmp load_loop
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done:
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and #$f
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sta WHICH_LOAD
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rts
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.include "zx02_optim.s"
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.include "hgr_tables.s"
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.include "hgr_logo_scroll.s"
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.include "audio.s"
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.include "purple.s"
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.include "lc_detect.s"
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title_data:
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.incbin "graphics/czmg4ap_title.hgr.zx02"
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vid_top:
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.incbin "graphics/videlectrix_top.hgr.zx02"
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purple_data:
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.incbin "sound/purple.btc.zx02"
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