536 lines
9.8 KiB
ArmAsm
536 lines
9.8 KiB
ArmAsm
; Videlectrix Intro
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; o/~ Make Good Graphics o/~
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; HGR is a pain
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; by Vince `deater` Weaver vince@deater.net
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; with apologies to everyone
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.include "hardware.inc"
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.include "zp.inc"
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.include "qload.inc"
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intro_text:
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;===========================
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; print text part of intro
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;===========================
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jsr TEXT
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jsr HOME
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lda #0
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sta DRAW_PAGE
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; print non-inverse
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lda #$80
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sta ps_smc1+1
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lda #09 ; ora
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sta ps_smc1
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lda #<boot_message
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sta OUTL
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lda #>boot_message
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sta OUTH
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ldx #8
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text_loop:
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jsr move_and_print
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dex
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bne text_loop
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;===================
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; detect model
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;===================
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jsr detect_appleii_model
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;===================
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; machine workarounds
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;===================
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; mostly IIgs
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;===================
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; thanks to 4am who provided this code from Total Replay
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lda ROM_MACHINEID
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cmp #$06
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bne not_a_iigs
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sec
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jsr $FE1F ; check for IIgs
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bcs not_a_iigs
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; gr/text page2 handling broken on early IIgs models
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; in theory this game we don't need that?
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;jsr ROM_TEXT2COPY ; set alternate display mode on IIgs
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cli ; enable VBL interrupts
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; also set background color to black instead of blue
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lda NEWVIDEO
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and #%00011111 ; bit 7 = 0 -> IIgs Apple II-compat video modes
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; bit 6 = 0 -> IIgs 128K memory map same as IIe
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; bit 5 = 0 -> IIgs DHGR is color, not mono
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; bits 0-4 unchanged
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sta NEWVIDEO
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lda #$F0
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sta TBCOLOR ; white text on black background
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lda #$00
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sta CLOCKCTL ; black border
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sta CLOCKCTL ; set twice for VidHD
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not_a_iigs:
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;===================
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; print config
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;===================
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lda #<config_string
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sta OUTL
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lda #>config_string
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sta OUTH
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jsr move_and_print
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; print detected model
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lda APPLEII_MODEL
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ora #$80
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sta $7d0+8 ; 23,8
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; if GS print the extra S
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cmp #'G'|$80
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bne not_gs
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lda #'S'|$80
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sta $7d0+9
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not_gs:
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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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;===========================================
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; skip checks if open-apple being held down
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lda $C061
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and #$80 ; only bit 7 is affected
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bne skip_all_checks ; rest is floating bus
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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 status
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lda #'6'|$80
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sta $7d0+11 ; 23,11
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lda #'4'|$80
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sta $7d0+12 ; 23,12
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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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jmp done_language_card
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no_language_card:
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;===============================
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; print error if not enough RAM
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;===============================
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lda #<ram_error
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sta OUTL
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lda #>ram_error
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sta OUTH
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jsr move_and_print
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done_language_card:
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;===================================
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; Detect Mockingboard
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;===================================
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PT3_ENABLE_APPLE_IIC = 1
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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 #'S'+$80 ; change NO to slot
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sta $7d0+30
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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+31 ; 23,31
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; NOTE: in this game we need both language card && mockingboard
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; to enable mockingboard music
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lda SOUND_STATUS
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and #SOUND_IN_LC
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beq dont_enable_mc
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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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dont_enable_mc:
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;===========================
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; detect SSI-263 too
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;===========================
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detect_ssi:
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lda MB_ADDR_H
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and #$07 ; slot
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jsr detect_ssi263
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lda irq_count
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beq ssi_not_found
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lda #'Y'+$80
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sta $7d0+39 ; 23,39
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lda #SOUND_SSI263
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ora SOUND_STATUS
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sta SOUND_STATUS
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ssi_not_found:
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mockingboard_notfound:
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;==================================
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; check if disk in drive #2
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;==================================
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lda #0 ; mark drive2 as empty
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sta DRIVE2_DISK
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jsr check_floppy_in_drive2
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bcc no_floppy_drive2
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yes_floppy_drive2:
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lda #2 ; assume for now disk2 is in it
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sta DRIVE2_DISK
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; print message
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lda #<drive2_message
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sta OUTL
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lda #>drive2_message
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sta OUTH
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jsr move_and_print
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jmp done_drive2_check
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no_floppy_drive2:
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done_drive2_check:
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skip_all_checks:
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;=============================
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; linger at sysinfo a bit
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;=============================
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lda #30
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jsr wait_a_bit
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;===================================
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;===================================
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; do the animated videlectrix intro
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;===================================
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;===================================
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videlectrix_intro:
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jsr hgr2 ; HGR_PAGE=$40
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lda #$20
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sta DISP_PAGE
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lda #$40
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sta DRAW_PAGE
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;************************
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; Intro
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;************************
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; Load logo offscreen at $9000
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lda #<(videlectrix_zx02)
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sta zx_src_l+1
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; sta getsrc_smc+1
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lda #>(videlectrix_zx02)
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sta zx_src_h+1
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; sta getsrc_smc+2
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lda #$90
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; jsr decompress_lzsa2_fast
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jsr zx02_full_decomp
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; jsr wait_until_keypress
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ldy #0
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animation_loop:
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; flip between the two pages
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lda DRAW_PAGE
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cmp #$40
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beq show_page2
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show_page1:
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bit PAGE1
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lda #$40
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bne done_page ; bra
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show_page2:
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bit PAGE2
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lda #$20
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done_page:
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sta DRAW_PAGE
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eor #$60
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sta DISP_PAGE
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; load delays
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; $FF means we are done
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lda delays,Y
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bmi done_loop
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lda animation_low,Y
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; sta getsrc_smc+1
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sta zx_src_l+1
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lda animation_high,Y
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; sta getsrc_smc+2
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sta zx_src_h+1
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tya
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pha
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lda DRAW_PAGE
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jsr zx02_full_decomp
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; jsr decompress_lzsa2_fast
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jsr hgr_overlay
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pla
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tay
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pha
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; play sound if needed?
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lda notes,Y
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beq no_note
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sta speaker_frequency
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lda #50
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sta speaker_duration
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jsr speaker_beep
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no_note:
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pla ; restore Y
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tay
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iny
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; exit if keypressed
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lda KEYPRESS
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bpl animation_loop
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done_loop:
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bit KEYRESET
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rts
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;forever:
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; jmp forever
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animation_low:
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.byte <videlectrix_zx02 ; .byte <title_anim01_zx02
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.byte <title_anim02_zx02
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.byte <title_anim03_zx02 ; .byte <title_anim04_zx02
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.byte <title_anim05_zx02 ; .byte <title_anim06_zx02
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.byte <title_anim07_zx02 ; .byte <title_anim08_zx02
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.byte <title_anim09_zx02 ; .byte <title_anim10_zx02
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.byte <title_anim11_zx02 ; .byte <title_anim12_zx02
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.byte <title_anim13_zx02 ; .byte <title_anim14_zx02
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.byte <title_anim15_zx02 ; .byte <title_anim16_zx02
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.byte <title_anim17_zx02 ; .byte <title_anim18_zx02
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.byte <title_anim19_zx02 ; .byte <title_anim20_zx02
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.byte <title_anim21_zx02 ; .byte <title_anim22_zx02
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.byte <title_anim23_zx02 ; .byte <title_anim24_zx02
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.byte <title_anim25_zx02 ; .byte <title_anim26_zx02
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.byte <title_anim27_zx02 ; .byte <title_anim28_zx02
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.byte <title_anim29_zx02
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.byte <title_anim30_zx02
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.byte <title_anim31_zx02
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.byte <title_anim32_zx02
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.byte <title_anim33_zx02
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.byte <title_anim33_zx02
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.byte <title_anim33_zx02
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.byte <title_anim34_zx02
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.byte <title_anim34_zx02
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animation_high:
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.byte >videlectrix_zx02 ; .byte >title_anim01_zx02
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.byte >title_anim02_zx02
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.byte >title_anim03_zx02 ; .byte >title_anim04_zx02
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.byte >title_anim05_zx02 ; .byte >title_anim06_zx02
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.byte >title_anim07_zx02 ; .byte >title_anim08_zx02
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.byte >title_anim09_zx02 ; .byte >title_anim10_zx02
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.byte >title_anim11_zx02 ; .byte >title_anim12_zx02
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.byte >title_anim13_zx02 ; .byte >title_anim14_zx02
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.byte >title_anim15_zx02 ; .byte >title_anim16_zx02
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.byte >title_anim17_zx02 ; .byte >title_anim18_zx02
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.byte >title_anim19_zx02 ; .byte >title_anim20_zx02
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.byte >title_anim21_zx02 ; .byte >title_anim22_zx02
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.byte >title_anim23_zx02 ; .byte >title_anim24_zx02
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.byte >title_anim25_zx02 ; .byte >title_anim26_zx02
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.byte >title_anim27_zx02 ; .byte >title_anim28_zx02
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.byte >title_anim29_zx02
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.byte >title_anim30_zx02
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.byte >title_anim31_zx02
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.byte >title_anim32_zx02
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.byte >title_anim33_zx02
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.byte >title_anim33_zx02
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.byte >title_anim33_zx02
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.byte >title_anim34_zx02
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.byte >title_anim34_zx02
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notes:
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.byte 0 ; title ; .byte 0 ; 1
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.byte 0 ; 2
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.byte 0 ; 3 ; .byte 0 ; 4
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.byte 0 ; 5 ; .byte 0 ; 6
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.byte 0 ; 7 ; .byte 0 ; 8
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.byte 0 ; 9 ; .byte 0 ; 10
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.byte 0 ; 11 ; .byte 0 ; 12
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.byte 0 ; 13 ; .byte 0 ; 14
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.byte NOTE_E4 ; 15 ; .byte 0 ; 16
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.byte NOTE_D4 ; 17 ; .byte 0 ; 18
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.byte NOTE_F4 ; 19 ; .byte 0 ; 20
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.byte 0 ; 21 ; .byte 0 ; 22
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.byte 0 ; 23 ; .byte 0 ; 24
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.byte 0 ; 25 ; .byte 0 ; 26
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.byte NOTE_C4 ; 27 ; .byte 0 ; 28
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.byte 0 ; 29
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.byte 0 ; 30
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.byte 0 ; 31
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.byte NOTE_C5 ; 32
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.byte NOTE_C5 ; 33
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.byte 0 ; 33
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.byte 0 ; 33
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.byte NOTE_C4 ; 34
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.byte 0 ; 34
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delays:
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.byte 1 ; title ; .byte 1 ; 1
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.byte 1 ; 2
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.byte 1 ; 3 ; .byte 1 ; 4
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.byte 1 ; 5 ; .byte 1 ; 6
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.byte 1 ; 7 ; .byte 1 ; 8
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.byte 1 ; 9 ; .byte 1 ; 10
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.byte 1 ; 11 ; .byte 1 ; 12
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.byte 1 ; 13 ; .byte 1 ; 14
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.byte 1 ; 15 ; .byte 1 ; 16
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.byte 1 ; 17 ; .byte 1 ; 18
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.byte 1 ; 19 ; .byte 1 ; 20
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.byte 1 ; 21 ; .byte 1 ; 22
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.byte 1 ; 23 ; .byte 1 ; 24
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.byte 1 ; 25 ; .byte 1 ; 26
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.byte 1 ; 27 ; .byte 1 ; 28
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.byte 1 ; 29
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.byte 1 ; 30
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.byte 1 ; 31
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.byte 1 ; 32
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.byte 1 ; 33
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.byte 1 ; 33
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.byte 1 ; 33
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.byte 1 ; 34
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.byte 1 ; 34
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.byte $FF
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.include "hgr_overlay.s"
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.include "speaker_beeps.inc"
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.include "text_print.s"
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.include "gr_offsets.s"
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.include "wait_a_bit.s"
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.include "lc_detect.s"
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.include "pt3_lib_mockingboard.inc"
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.include "pt3_lib_detect_model.s"
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.include "pt3_lib_mockingboard_detect.s"
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.include "ssi263.inc"
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.include "ssi263_detect.s"
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.include "wait.s"
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;.include "hgr_hgr2.s"
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.include "graphics_vid/vid_graphics.inc"
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; 0123456789012345678901234567890123456789
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boot_message:
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.byte 0,0, "LOADING PEASANT'S QUEST V0.84",0
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.byte 0,3,"ORIGINAL BY VIDELECTRIX",0
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.byte 0,5,"APPLE II PORT: VINCE WEAVER",0
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.byte 0,6,"DISK CODE : QKUMBA",0
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.byte 0,7,"ZX02 CODE : DMSC",0
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.byte 0,8,"ELECTRIC DUET: PAUL LUTUS",0
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.byte 7,18,"______",0
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.byte 5,19,"A \/\/\/ SOFTWARE PRODUCTION",0
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config_string:
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; 0123456789012345678901234567890123456789
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.byte 0,23,"APPLE II?, 48K, MOCKINGBOARD: NO, SSI: N",0
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; MOCKINGBOARD: NONE
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ram_error:
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.byte 1,21,"SORRY, 48K REQUIRED TO PLAY THIS GAME",0
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drive2_message:
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.byte 10,22,"FOUND DISK IN DRIVE2",0
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