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dos33fsprogs/games/lemm/lemm_test.s

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; Lemm Test
; by deater (Vince Weaver) <vince@deater.net>
; Zero Page
.include "zp.inc"
.include "hardware.inc"
lemm_test_start:
lda #0
sta DRAW_PAGE
;====================
; detect model
;====================
jsr detect_appleii_model
;===================
; machine workarounds
;===================
; mostly IIgs
;===================
; thanks to 4am who provided this code from Total Replay
lda ROM_MACHINEID
cmp #$06
bne not_a_iigs
sec
jsr $FE1F ; check for IIgs
bcs not_a_iigs
; gr/text page2 handling broken on early IIgs models
; this enables the workaround
jsr ROM_TEXT2COPY ; set alternate display mode on IIgs
cli ; enable VBL interrupts
; also set background color to black instead of blue
lda NEWVIDEO
and #%00011111 ; bit 7 = 0 -> IIgs Apple II-compat video modes
; bit 6 = 0 -> IIgs 128K memory map same as IIe
; bit 5 = 0 -> IIgs DHGR is color, not mono
; bits 0-4 unchanged
sta NEWVIDEO
lda #$F0
sta TBCOLOR ; white text on black background
lda #$00
sta CLOCKCTL ; black border
sta CLOCKCTL ; set twice for VidHD
not_a_iigs:
;===================
; print config
;===================
lda #<config_string
sta OUTL
lda #>config_string
sta OUTH
jsr move_and_print
; print detected model
lda APPLEII_MODEL
ora #$80
sta $7d0+8 ; 23,8
; if GS print the extra S
cmp #'G'|$80
bne not_gs
lda #'S'|$80
sta $7d0+9
not_gs:
;=========================================
; detect if we have a language card (64k)
; and load sound into it if possible
;===================================
lda #0
sta SOUND_STATUS ; clear out, sound enabled
;===========================================
; skip checks if open-apple being held down
lda $C061
and #$80 ; only bit 7 is affected
bne skip_all_checks ; rest is floating bus
jsr detect_language_card
bcs no_language_card
yes_language_card:
; update status
lda #'6'|$80
sta $7d0+11 ; 23,11
lda #'4'|$80
sta $7d0+12 ; 23,12
; update sound status
lda SOUND_STATUS
ora #SOUND_IN_LC
sta SOUND_STATUS
jmp done_language_card
no_language_card:
done_language_card:
;===================================
; Detect Mockingboard
;===================================
PT3_ENABLE_APPLE_IIC = 1
; detect mockingboard
jsr mockingboard_detect
bcc mockingboard_notfound
mockingboard_found:
; print detected location
lda #'S'+$80 ; change NO to slot
sta $7d0+30
lda MB_ADDR_H ; $C4 = 4, want $B4 1100 -> 1011
and #$87
ora #$30
sta $7d0+31 ; 23,31
; NOTE: in this game we need both language card && mockingboard
; to enable mockingboard music
lda SOUND_STATUS
and #SOUND_IN_LC
beq dont_enable_mc
lda SOUND_STATUS
ora #SOUND_MOCKINGBOARD
sta SOUND_STATUS
dont_enable_mc:
mockingboard_notfound:
skip_all_checks:
;==================================
; load music into the language card
; into $D000 set 2
;==================================
; switch in language card
; read/write RAM, $d000 bank 2
lda $C083
lda $C083
; actually load it
lda #0
sta CURRENT_CHUNK
sta DONE_PLAYING
jsr load_song_chunk
lda #1
sta LOOP
jsr mockingboard_patch ; patch to work in slots other than 4?
;=======================
; Set up 50Hz interrupt
;========================
jsr mockingboard_init
jsr mockingboard_setup_interrupt
zurg:
;============================
; Init the Mockingboard
;============================
jsr reset_ay_both
jsr clear_ay_both
;=======================
; start music
;=======================
jsr wait_until_keypress
cli
;===================
; init screen
;===================
; jsr TEXT ; can't, swapped ROM out
; jsr HOME
bit KEYRESET
bit SET_GR
bit PAGE0
bit HIRES
bit FULLGR
;===================
; Load hires graphics
;===================
load_graphics_loop:
lda #<level1_lzsa
sta getsrc_smc+1 ; LZSA_SRC_LO
lda #>level1_lzsa
sta getsrc_smc+2 ; LZSA_SRC_HI
lda #$20
jsr decompress_lzsa2_fast
jsr wait_until_keypress
lda #<level5_lzsa
sta getsrc_smc+1 ; LZSA_SRC_LO
lda #>level5_lzsa
sta getsrc_smc+2 ; LZSA_SRC_HI
lda #$20
jsr decompress_lzsa2_fast
jsr wait_until_keypress
lda #<level5_fine_lzsa
sta getsrc_smc+1 ; LZSA_SRC_LO
lda #>level5_fine_lzsa
sta getsrc_smc+2 ; LZSA_SRC_HI
lda #$20
jsr decompress_lzsa2_fast
jsr wait_until_keypress
jmp load_graphics_loop
;========================
; load song chunk
; CURRENT_CHUNK is which one
load_song_chunk:
ldx CURRENT_CHUNK
lda music_parts_l,X
sta getsrc_smc+1 ; LZSA_SRC_LO
lda music_parts_h,X
sta getsrc_smc+2 ; LZSA_SRC_HI
bne load_song_chunk_good
; wrapped
lda #$00
sta CURRENT_CHUNK
beq load_song_chunk ; try again
load_song_chunk_good:
lda #$d0
sta BASE_FRAME_H
jsr decompress_lzsa2_fast
lda #0
sta BASE_FRAME_L
rts
;==========================
; includes
;==========================
; .include "gr_pageflip.s"
; .include "gr_copy.s"
; .include "wait_a_bit.s"
.include "gr_offsets.s"
.include "decompress_fast_v2.s"
.include "wait_keypress.s"
; .include "print_help.s"
; .include "gr_fast_clear.s"
.include "text_print.s"
; .include "init_vars.s"
; .include "graphics_title/title_graphics.inc"
.include "lc_detect.s"
; pt3 player
;.include "pt3_lib_mockingboard.inc"
.include "pt3_lib_detect_model.s"
.include "pt3_lib_mockingboard_detect.s"
.include "pt3_lib_mockingboard_setup.s"
.include "interrupt_handler.s"
.include "pt3_lib_mockingboard_patch.s"
config_string:
; 0123456789012345678901234567890123456789
.byte 0,23,"APPLE II?, 48K, MOCKINGBOARD: NO, SSI: N",0
; MOCKINGBOARD: NONE
new_title:
.include "graphics/graphics_test.inc"
music_parts_h:
.byte >lemm5_part1_lzsa,>lemm5_part2_lzsa,>lemm5_part3_lzsa,$00
music_parts_l:
.byte <lemm5_part1_lzsa,<lemm5_part2_lzsa,<lemm5_part3_lzsa
lemm5_part1_lzsa:
.incbin "music/lemm5.part1.lzsa"
lemm5_part2_lzsa:
.incbin "music/lemm5.part2.lzsa"
lemm5_part3_lzsa:
.incbin "music/lemm5.part3.lzsa"
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