mirror of
https://github.com/deater/dos33fsprogs.git
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interlace: merge in newer pt3 library
This commit is contained in:
Vince Weaver
parent
0d8ff09550
commit
d42eee8c5c
@ -45,7 +45,7 @@ RASTERBARS_SOUND: rasterbars_sound.o
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rasterbars_sound.o: rasterbars_sound.s gr_copy.s \
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rasterbars_screen.s rasterbars_table.s movement_table.s rb_bg.inc \
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pt3_lib_ci.s mockingboard_a.s
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pt3_lib_ci.s pt3_lib_init.s pt3_lib_mockingboard.s
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ca65 -o rasterbars_sound.o rasterbars_sound.s -l rasterbars_sound.lst
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1776
interlace_demo/pt3_lib_core.s
Normal file
1776
interlace_demo/pt3_lib_core.s
Normal file
File diff suppressed because it is too large
Load Diff
575
interlace_demo/pt3_lib_init.s
Normal file
575
interlace_demo/pt3_lib_init.s
Normal file
@ -0,0 +1,575 @@
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; pt3_lib_init.s
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; Initialize a song
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; this is done before song starts playing so it is not
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; as performance / timing critical
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;====================================
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; pt3_init_song
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;====================================
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;
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pt3_init_song:
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lda #$0
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sta DONE_SONG ; 3
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ldx #(end_vars-begin_vars)
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zero_song_structs_loop:
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dex
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sta note_a,X
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bne zero_song_structs_loop
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sta pt3_noise_period_smc+1 ; 4
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sta pt3_noise_add_smc+1 ; 4
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sta pt3_envelope_period_l_smc+1 ; 4
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sta pt3_envelope_period_h_smc+1 ; 4
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sta pt3_envelope_slide_l_smc+1 ; 4
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sta pt3_envelope_slide_h_smc+1 ; 4
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sta pt3_envelope_slide_add_l_smc+1 ; 4
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sta pt3_envelope_slide_add_h_smc+1 ; 4
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sta pt3_envelope_add_smc+1 ; 4
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sta pt3_envelope_type_smc+1 ; 4
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sta pt3_envelope_type_old_smc+1 ; 4
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sta pt3_envelope_delay_smc+1 ; 4
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sta pt3_envelope_delay_orig_smc+1 ; 4
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sta PT3_MIXER_VAL ; 3
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sta current_pattern_smc+1 ; 4
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sta current_line_smc+1 ; 4
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sta current_subframe_smc+1 ; 4
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lda #$f ; 2
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sta note_a+NOTE_VOLUME ; 4
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sta note_b+NOTE_VOLUME ; 4
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sta note_c+NOTE_VOLUME ; 4
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; default ornament/sample in A
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; X is zero coming in here
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;ldx #(NOTE_STRUCT_SIZE*0) ; 2
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jsr load_ornament0_sample1 ; 6+93
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; default ornament/sample in B
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ldx #(NOTE_STRUCT_SIZE*1) ; 2
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jsr load_ornament0_sample1 ; 6+93
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; default ornament/sample in C
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ldx #(NOTE_STRUCT_SIZE*2) ; 2
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jsr load_ornament0_sample1 ; 6+93
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;=======================
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; load default speed
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lda PT3_LOC+PT3_SPEED ; 4
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sta pt3_speed_smc+1 ; 4
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;=======================
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; load loop
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lda PT3_LOC+PT3_LOOP ; 4
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sta pt3_loop_smc+1 ; 4
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;========================
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;========================
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; set up note/freq table
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; this saves some space and makes things marginally faster longrun
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;========================
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;========================
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; note (heh) that there are separate tables if version 3.3
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; but we are going to assume we are only going to be playing
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; newer 3.4+ version files so only need the newer tables
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ldx PT3_LOC+PT3_HEADER_FREQUENCY ; 4
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beq use_freq_table_0
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dex
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beq use_freq_table_1
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dex
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beq use_freq_table_2
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; fallthrough (freq table 3)
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use_freq_table_3:
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;=================================================
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; Create Table #3, v4+, "PT3NoteTable_REAL_34_35"
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;=================================================
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ldy #11 ; !2
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freq_table_3_copy_loop:
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; note, high lookup almost same as 2v4, just need to adjust one value
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lda base2_v4_high,Y ; !3
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sta NoteTable_high,Y ; !3
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lda base3_low,Y ; !3
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sta NoteTable_low,Y ; !3
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dey ; !1
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bpl freq_table_3_copy_loop ; !2
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dec NoteTable_high ; adjust to right value
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jsr NoteTablePropogate ; !3
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lda #<table3_v4_adjust
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sta note_table_adjust_smc+1
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lda #>table3_v4_adjust
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sta note_table_adjust_smc+2
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jsr NoteTableAdjust
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jmp done_set_freq_table
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use_freq_table_2:
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;=================================================
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; Create Table #2, v4+, "PT3NoteTable_ASM_34_35"
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;=================================================
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ldy #11
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freq_table_2_copy_loop:
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lda base2_v4_high,Y
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sta NoteTable_high,Y
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lda base2_v4_low,Y
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sta NoteTable_low,Y
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dey
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bpl freq_table_2_copy_loop
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jsr NoteTablePropogate ; !3
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lda #<table2_v4_adjust
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sta note_table_adjust_smc+1
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lda #>table2_v4_adjust
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sta note_table_adjust_smc+2
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jsr NoteTableAdjust
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jmp done_set_freq_table
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use_freq_table_1:
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;=================================================
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; Create Table #1, "PT3NoteTable_ST"
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;=================================================
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ldy #11
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freq_table_1_copy_loop:
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lda base1_high,Y
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sta NoteTable_high,Y
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lda base1_low,Y
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sta NoteTable_low,Y
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dey
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bpl freq_table_1_copy_loop
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jsr NoteTablePropogate ; !3
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; last adjustments
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lda #$FD ; Tone[23]=$3FD
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sta NoteTable_low+23
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dec NoteTable_low+46 ; Tone[46]-=1;
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jmp done_set_freq_table
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use_freq_table_0:
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;=================================================
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; Create Table #0, "PT3NoteTable_PT_34_35"
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;=================================================
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ldy #11
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freq_table_0_copy_loop:
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lda base0_v4_high,Y
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sta NoteTable_high,Y
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lda base0_v4_low,Y
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sta NoteTable_low,Y
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dey
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bpl freq_table_0_copy_loop
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jsr NoteTablePropogate ; !3
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lda #<table0_v4_adjust
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sta note_table_adjust_smc+1
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lda #>table0_v4_adjust
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sta note_table_adjust_smc+2
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jsr NoteTableAdjust
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done_set_freq_table:
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;======================
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; calculate version
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ldx #6 ; 2
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lda PT3_LOC+PT3_VERSION ; 4
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sec ; 2
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sbc #'0' ; 2
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cmp #9 ; 2
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bcs not_ascii_number ; bge ; 2/3
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tax ; 2
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not_ascii_number:
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; adjust version<6 SMC code in the slide code
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; FIXME: I am sure there's a more clever way to do this
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lda #$2C ; BIT ; 2
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cpx #$6 ; 2
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bcs version_greater_than_or_equal_6 ; bgt ; 3
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; less than 6, jump
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; also carry is known to be clear
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adc #$20 ; BIT->JMP 2C->4C ; 2
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version_greater_than_or_equal_6:
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sta version_smc ; 4
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pick_volume_table:
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;=======================
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; Pick which volume number, based on version
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; if (PlParams.PT3.PT3_Version <= 4)
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cpx #5 ; 2
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; carry clear = 3.3/3.4 table
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; carry set = 3.5 table
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;==========================
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; VolTableCreator
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;==========================
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; Creates the appropriate volume table
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; based on z80 code by Ivan Roshin ZXAYHOBETA/VTII10bG.asm
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;
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; Called with carry==0 for 3.3/3.4 table
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; Called with carry==1 for 3.5 table
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; 177f-1932 = 435 bytes, not that much better than 512 of lookup
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VolTableCreator:
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; Init initial variables
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lda #$0
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sta z80_d_smc+1
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ldy #$11
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; Set up self modify
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ldx #$2A ; ROL for self-modify
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bcs vol_type_35
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vol_type_33:
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; For older table, we set initial conditions a bit
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; different
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dey
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tya
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ldx #$ea ; NOP for self modify
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vol_type_35:
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sty z80_l_smc+1 ; l=16 or 17
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sta z80_e_smc+1 ; e=16 or 0
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stx vol_smc ; set the self-modify code
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ldy #16 ; skip first row, all zeros
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ldx #16 ; c=16
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vol_outer:
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clc ; add HL,DE
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z80_l_smc:
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lda #$d1
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z80_e_smc:
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adc #$d1
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sta z80_e_smc+1
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lda #0
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z80_d_smc:
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adc #$d1
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sta z80_d_smc+1 ; carry is important
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; sbc hl,hl
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lda #0
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adc #$ff
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eor #$ff
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vol_write:
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sta z80_h_smc+1
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pha
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vol_inner:
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pla
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pha
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vol_smc:
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nop ; nop or ROL depending
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z80_h_smc:
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lda #$d1
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adc #$0 ; a=a+carry;
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sta VolumeTable,Y
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iny
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pla ; add HL,DE
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adc z80_e_smc+1
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pha
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lda z80_h_smc+1
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adc z80_d_smc+1
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sta z80_h_smc+1
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inx ; inc C
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txa ; a=c
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and #$f
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bne vol_inner
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pla
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lda z80_e_smc+1 ; a=e
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cmp #$77
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bne vol_m3
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inc z80_e_smc+1
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vol_m3:
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txa ; a=c
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bne vol_outer
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vol_done:
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rts
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;=========================================
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; copy note table seed to proper location
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;=========================================
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; faster inlined
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;NoteTableCopy:
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; ldy #11 ; !2
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;note_table_copy_loop:
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;ntc_smc1:
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; lda base1_high,Y ; !3
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; sta NoteTable_high,Y ; !3
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;ntc_smc2:
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; lda base1_low,Y ; !3
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; sta NoteTable_low,Y ; !3
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; dey ; !1
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; bpl note_table_copy_loop ; !2
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; rts ; !1
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;==========================================
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; propogate the freq down, dividing by two
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;==========================================
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NoteTablePropogate:
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ldy #0
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note_table_propogate_loop:
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clc
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lda NoteTable_high,Y
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ror
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sta NoteTable_high+12,Y
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lda NoteTable_low,Y
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ror
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sta NoteTable_low+12,Y
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iny
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cpy #84
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bne note_table_propogate_loop
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rts
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;================================================
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; propogation isn't enough, various values
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; are ofte off by one, so adjust using a bitmask
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;================================================
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NoteTableAdjust:
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ldx #0
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note_table_adjust_outer:
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note_table_adjust_smc:
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lda table0_v4_adjust,X
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sta PT3_TEMP
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; reset smc
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lda #<NoteTable_low
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sta ntl_smc+1
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lda #>NoteTable_low
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sta ntl_smc+2
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ldy #7
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note_table_adjust_inner:
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ror PT3_TEMP
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bcc note_table_skip_adjust
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ntl_smc:
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inc NoteTable_low,X
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note_table_skip_adjust:
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clc
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lda #12
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adc ntl_smc+1
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sta ntl_smc+1
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lda #0
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adc ntl_smc+2 ; unnecessary if aligned
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sta ntl_smc+2
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skip_adjust_done:
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dey
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bpl note_table_adjust_inner
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inx
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cpx #12
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bne note_table_adjust_outer
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rts
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;base0_v3_high:
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;.byte $0C,$0B,$0A,$0A,$09,$09,$08,$08,$07,$07,$06,$06
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;base0_v3_low:
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;.byte $21,$73,$CE,$33,$A0,$16,$93,$18,$A4,$36,$CE,$6D
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; note: same as base0_v3_high
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base0_v4_high:
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.byte $0C,$0B,$0A,$0A,$09,$09,$08,$08,$07,$07,$06,$06
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base0_v4_low:
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.byte $22,$73,$CF,$33,$A1,$17,$94,$19,$A4,$37,$CF,$6D
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base1_high:
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.byte $0E,$0E,$0D,$0C,$0B,$0B,$0A,$09,$09,$08,$08,$07
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base1_low:
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.byte $F8,$10,$60,$80,$D8,$28,$88,$F0,$60,$E0,$58,$E0
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;base2_v3_high:
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;.byte $0D,$0C,$0B,$0B,$0A,$09,$09,$08,$08,$07,$07,$07
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;base2_v3_low:
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;.byte $3E,$80,$CC,$22,$82,$EC,$5C,$D6,$58,$E0,$6E,$04
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; note almost same as above
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base2_v4_high:
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.byte $0D,$0C,$0B,$0A,$0A,$09,$09,$08,$08,$07,$07,$06
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base2_v4_low:
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.byte $10,$55,$A4,$FC,$5F,$CA,$3D,$B8,$3B,$C5,$55,$EC
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; note almost same as above
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;base3_high:
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;.byte $0C,$0C,$0B,$0A,$0A,$09,$09,$08,$08,$07,$07,$06
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base3_low:
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.byte $DA,$22,$73,$CF,$33,$A1,$17,$94,$19,$A4,$37,$CF
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; Adjustment factors
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table0_v4_adjust:
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.byte $40,$e6,$9c,$66,$40,$2c,$20,$30,$48,$6c,$1c,$5a
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table2_v4_adjust:
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.byte $20,$a8,$40,$f8,$bc,$90,$78,$70,$74,$08,$2a,$50
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table3_v4_adjust:
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.byte $B4,$40,$e6,$9c,$66,$40,$2c,$20,$30,$48,$6c,$1c
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; Table #1 of Pro Tracker 3.3x - 3.5x
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;PT3NoteTable_ST_high:
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;.byte $0E,$0E,$0D,$0C,$0B,$0B,$0A,$09
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;.byte $09,$08,$08,$07,$07,$07,$06,$06
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;.byte $05,$05,$05,$04,$04,$04,$04,$03
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;.byte $03,$03,$03,$03,$02,$02,$02,$02
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;.byte $02,$02,$02,$01,$01,$01,$01,$01
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;.byte $01,$01,$01,$01,$01,$01,$01,$00
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;.byte $00,$00,$00,$00,$00,$00,$00,$00
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;.byte $00,$00,$00,$00,$00,$00,$00,$00
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;.byte $00,$00,$00,$00,$00,$00,$00,$00
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;.byte $00,$00,$00,$00,$00,$00,$00,$00
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;.byte $00,$00,$00,$00,$00,$00,$00,$00
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;.byte $00,$00,$00,$00,$00,$00,$00,$00
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;PT3NoteTable_ST_low:
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;.byte $F8,$10,$60,$80,$D8,$28,$88,$F0
|
||||
;.byte $60,$E0,$58,$E0,$7C,$08,$B0,$40
|
||||
;.byte $EC,$94,$44,$F8,$B0,$70,$2C,$FD
|
||||
;.byte $BE,$84,$58,$20,$F6,$CA,$A2,$7C
|
||||
;.byte $58,$38,$16,$F8,$DF,$C2,$AC,$90
|
||||
;.byte $7B,$65,$51,$3E,$2C,$1C,$0A,$FC
|
||||
;.byte $EF,$E1,$D6,$C8,$BD,$B2,$A8,$9F
|
||||
;.byte $96,$8E,$85,$7E,$77,$70,$6B,$64
|
||||
;.byte $5E,$59,$54,$4F,$4B,$47,$42,$3F
|
||||
;.byte $3B,$38,$35,$32,$2F,$2C,$2A,$27
|
||||
;.byte $25,$23,$21,$1F,$1D,$1C,$1A,$19
|
||||
;.byte $17,$16,$15,$13,$12,$11,$10,$0F
|
||||
|
||||
|
||||
; Table #2 of Pro Tracker 3.4x - 3.5x
|
||||
;PT3NoteTable_ASM_34_35_high:
|
||||
;.byte $0D,$0C,$0B,$0A,$0A,$09,$09,$08
|
||||
;.byte $08,$07,$07,$06,$06,$06,$05,$05
|
||||
;.byte $05,$04,$04,$04,$04,$03,$03,$03
|
||||
;.byte $03,$03,$02,$02,$02,$02,$02,$02
|
||||
;.byte $02,$01,$01,$01,$01,$01,$01,$01
|
||||
;.byte $01,$01,$01,$01,$01,$00,$00,$00
|
||||
;.byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
;.byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
;.byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
;.byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
;.byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
;.byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
|
||||
;PT3NoteTable_ASM_34_35_low:
|
||||
;.byte $10,$55,$A4,$FC,$5F,$CA,$3D,$B8
|
||||
;.byte $3B,$C5,$55,$EC,$88,$2A,$D2,$7E
|
||||
;.byte $2F,$E5,$9E,$5C,$1D,$E2,$AB,$76
|
||||
;.byte $44,$15,$E9,$BF,$98,$72,$4F,$2E
|
||||
;.byte $0F,$F1,$D5,$BB,$A2,$8B,$74,$60
|
||||
;.byte $4C,$39,$28,$17,$07,$F9,$EB,$DD
|
||||
;.byte $D1,$C5,$BA,$B0,$A6,$9D,$94,$8C
|
||||
;.byte $84,$7C,$75,$6F,$69,$63,$5D,$58
|
||||
;.byte $53,$4E,$4A,$46,$42,$3E,$3B,$37
|
||||
;.byte $34,$31,$2F,$2C,$29,$27,$25,$23
|
||||
;.byte $21,$1F,$1D,$1C,$1A,$19,$17,$16
|
||||
;.byte $15,$14,$12,$11,$10,$0F,$0E,$0D
|
||||
|
||||
|
||||
;PT3VolumeTable_33_34:
|
||||
;.byte $0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0
|
||||
;.byte $0,$0,$0,$0,$0,$0,$0,$0,$1,$1,$1,$1,$1,$1,$1,$1
|
||||
;.byte $0,$0,$0,$0,$0,$0,$1,$1,$1,$1,$1,$2,$2,$2,$2,$2
|
||||
;.byte $0,$0,$0,$0,$1,$1,$1,$1,$2,$2,$2,$2,$3,$3,$3,$3
|
||||
;.byte $0,$0,$0,$0,$1,$1,$1,$2,$2,$2,$3,$3,$3,$4,$4,$4
|
||||
;.byte $0,$0,$0,$1,$1,$1,$2,$2,$3,$3,$3,$4,$4,$4,$5,$5
|
||||
;.byte $0,$0,$0,$1,$1,$2,$2,$3,$3,$3,$4,$4,$5,$5,$6,$6
|
||||
;.byte $0,$0,$1,$1,$2,$2,$3,$3,$4,$4,$5,$5,$6,$6,$7,$7
|
||||
;.byte $0,$0,$1,$1,$2,$2,$3,$3,$4,$5,$5,$6,$6,$7,$7,$8
|
||||
;.byte $0,$0,$1,$1,$2,$3,$3,$4,$5,$5,$6,$6,$7,$8,$8,$9
|
||||
;.byte $0,$0,$1,$2,$2,$3,$4,$4,$5,$6,$6,$7,$8,$8,$9,$A
|
||||
;.byte $0,$0,$1,$2,$3,$3,$4,$5,$6,$6,$7,$8,$9,$9,$A,$B
|
||||
;.byte $0,$0,$1,$2,$3,$4,$4,$5,$6,$7,$8,$8,$9,$A,$B,$C
|
||||
;.byte $0,$0,$1,$2,$3,$4,$5,$6,$7,$7,$8,$9,$A,$B,$C,$D
|
||||
;.byte $0,$0,$1,$2,$3,$4,$5,$6,$7,$8,$9,$A,$B,$C,$D,$E
|
||||
;.byte $0,$1,$2,$3,$4,$5,$6,$7,$8,$9,$A,$B,$C,$D,$E,$F
|
||||
|
||||
;PT3VolumeTable_35:
|
||||
;.byte $0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0
|
||||
;.byte $0,$0,$0,$0,$0,$0,$0,$0,$1,$1,$1,$1,$1,$1,$1,$1
|
||||
;.byte $0,$0,$0,$0,$1,$1,$1,$1,$1,$1,$1,$1,$2,$2,$2,$2
|
||||
;.byte $0,$0,$0,$1,$1,$1,$1,$1,$2,$2,$2,$2,$2,$3,$3,$3
|
||||
;.byte $0,$0,$1,$1,$1,$1,$2,$2,$2,$2,$3,$3,$3,$3,$4,$4
|
||||
;.byte $0,$0,$1,$1,$1,$2,$2,$2,$3,$3,$3,$4,$4,$4,$5,$5
|
||||
;.byte $0,$0,$1,$1,$2,$2,$2,$3,$3,$4,$4,$4,$5,$5,$6,$6
|
||||
;.byte $0,$0,$1,$1,$2,$2,$3,$3,$4,$4,$5,$5,$6,$6,$7,$7
|
||||
;.byte $0,$1,$1,$2,$2,$3,$3,$4,$4,$5,$5,$6,$6,$7,$7,$8
|
||||
;.byte $0,$1,$1,$2,$2,$3,$4,$4,$5,$5,$6,$7,$7,$8,$8,$9
|
||||
;.byte $0,$1,$1,$2,$3,$3,$4,$5,$5,$6,$7,$7,$8,$9,$9,$A
|
||||
;.byte $0,$1,$1,$2,$3,$4,$4,$5,$6,$7,$7,$8,$9,$A,$A,$B
|
||||
;.byte $0,$1,$2,$2,$3,$4,$5,$6,$6,$7,$8,$9,$A,$A,$B,$C
|
||||
;.byte $0,$1,$2,$3,$3,$4,$5,$6,$7,$8,$9,$A,$A,$B,$C,$D
|
||||
;.byte $0,$1,$2,$3,$4,$5,$6,$7,$7,$8,$9,$A,$B,$C,$D,$E
|
||||
;.byte $0,$1,$2,$3,$4,$5,$6,$7,$8,$9,$A,$B,$C,$D,$E,$F
|
||||
@ -74,15 +74,6 @@ reset_ay_both:
|
||||
rts
|
||||
|
||||
|
||||
;=======================================
|
||||
; clear ay -- clear all 14 AY registers
|
||||
; should silence the card
|
||||
;=======================================
|
||||
clear_ay_both:
|
||||
ldx #14
|
||||
lda #0
|
||||
sta MB_VALUE_smc+1
|
||||
clear_ay_left_loop:
|
||||
; Write sequence
|
||||
; Inactive -> Latch Address -> Inactive -> Write Data -> Inactive
|
||||
|
||||
@ -104,8 +95,7 @@ write_ay_both:
|
||||
sty MOCK_6522_ORB2 ; 3
|
||||
|
||||
; value
|
||||
MB_VALUE_smc:
|
||||
lda #$d1 ; 2
|
||||
lda MB_VALUE ; 3
|
||||
sta MOCK_6522_ORA1 ; put value on PA1 ; 3
|
||||
sta MOCK_6522_ORA2 ; put value on PA2 ; 3
|
||||
lda #MOCK_AY_WRITE ; ; 2
|
||||
@ -114,8 +104,19 @@ MB_VALUE_smc:
|
||||
sty MOCK_6522_ORB1 ; 3
|
||||
sty MOCK_6522_ORB2 ; 3
|
||||
|
||||
rts ; 6
|
||||
;===========
|
||||
; 44
|
||||
; 51
|
||||
;=======================================
|
||||
; clear ay -- clear all 14 AY registers
|
||||
; should silence the card
|
||||
;=======================================
|
||||
clear_ay_both:
|
||||
ldx #14
|
||||
lda #0
|
||||
sta MB_VALUE
|
||||
clear_ay_left_loop:
|
||||
jsr write_ay_both
|
||||
dex
|
||||
bpl clear_ay_left_loop
|
||||
rts
|
||||
@ -143,11 +144,11 @@ mb_detect_loop: ; self-modifying
|
||||
mb_check_cycle_loop:
|
||||
lda (MB_ADDRL),Y ; timer 6522 (Low Order Counter)
|
||||
; count down
|
||||
sta TEMP ; 3 cycles
|
||||
sta PT3_TEMP ; 3 cycles
|
||||
lda (MB_ADDRL),Y ; + 5 cycles = 8 cycles
|
||||
; between the two accesses to the timer
|
||||
sec
|
||||
sbc TEMP ; subtract to see if we had 8 cycles
|
||||
sbc PT3_TEMP ; subtract to see if we had 8 cycles
|
||||
cmp #$f8 ; -8
|
||||
bne mb_not_in_this_slot
|
||||
dex ; decrement, try one more time
|
||||
@ -221,11 +222,11 @@ mb4_detect_loop: ; self-modifying
|
||||
mb4_check_cycle_loop:
|
||||
lda (MB_ADDRL),Y ; timer 6522 (Low Order Counter)
|
||||
; count down
|
||||
sta TEMP ; 3 cycles
|
||||
sta PT3_TEMP ; 3 cycles
|
||||
lda (MB_ADDRL),Y ; + 5 cycles = 8 cycles
|
||||
; between the two accesses to the timer
|
||||
sec
|
||||
sbc TEMP ; subtract to see if we had 8 cycles
|
||||
sbc PT3_TEMP ; subtract to see if we had 8 cycles
|
||||
cmp #$f8 ; -8
|
||||
bne mb4_not_in_this_slot
|
||||
dex ; decrement, try one more time
|
||||
@ -238,103 +239,144 @@ mb4_not_in_this_slot:
|
||||
ldx #00
|
||||
beq done_mb4_detect
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
.align $100
|
||||
|
||||
|
||||
|
||||
|
||||
;====================================
|
||||
; mb_write_frame
|
||||
;====================================
|
||||
; cycle counted
|
||||
|
||||
; 2 + 13*(70) + 74 + 5 = 991
|
||||
|
||||
mb_write_frame:
|
||||
|
||||
ldx #0 ; set up reg count ; 2
|
||||
;============
|
||||
; 2
|
||||
|
||||
;==================================
|
||||
; loop through the 14 registers
|
||||
; reading the value, then write out
|
||||
;==================================
|
||||
|
||||
mb_write_loop:
|
||||
.if 0
|
||||
;=============================
|
||||
; not r13 -- 4+5+28+26+7 = 70
|
||||
; r13, not ff -- 4+5+ 4 +28+26+7 = 74
|
||||
; r13 is ff -- 4+5+3+1=[61] = 74
|
||||
; Setup
|
||||
;=============================
|
||||
pt3_setup_interrupt:
|
||||
|
||||
;===========================
|
||||
; Check for Apple IIc
|
||||
;===========================
|
||||
; it does interrupts differently
|
||||
|
||||
lda $FBB3 ; IIe and newer is $06
|
||||
cmp #6
|
||||
beq apple_iie_or_newer
|
||||
|
||||
jmp done_apple_detect
|
||||
apple_iie_or_newer:
|
||||
lda $FBC0 ; 0 on a IIc
|
||||
bne done_apple_detect
|
||||
apple_iic:
|
||||
; activate IIc mockingboard?
|
||||
; this might only be necessary to allow detection
|
||||
; I get the impression the Mockingboard 4c activates
|
||||
; when you access any of the 6522 ports in Slot 4
|
||||
lda #$ff
|
||||
sta $C403
|
||||
sta $C404
|
||||
|
||||
; bypass the firmware interrupt handler
|
||||
; should we do this on IIe too? probably faster
|
||||
|
||||
sei ; disable interrupts
|
||||
lda $c08b ; disable ROM (enable language card)
|
||||
lda $c08b
|
||||
lda #<interrupt_handler
|
||||
sta $fffe
|
||||
lda #>interrupt_handler
|
||||
sta $ffff
|
||||
|
||||
lda #$EA ; nop out the "lda $45" in the irq hand
|
||||
sta interrupt_smc
|
||||
sta interrupt_smc+1
|
||||
|
||||
done_apple_detect:
|
||||
|
||||
|
||||
lda AY_REGISTERS,X ; load register value ; 4
|
||||
;=========================
|
||||
; Setup Interrupt Handler
|
||||
;=========================
|
||||
; Vector address goes to 0x3fe/0x3ff
|
||||
; FIXME: should chain any existing handler
|
||||
|
||||
; special case R13. If it is 0xff, then don't update
|
||||
; otherwise might spuriously reset the envelope settings
|
||||
lda #<interrupt_handler
|
||||
sta $03fe
|
||||
lda #>interrupt_handler
|
||||
sta $03ff
|
||||
|
||||
cpx #13 ; 2
|
||||
bne mb_not_13 ; 3
|
||||
;============================
|
||||
; Enable 50Hz clock on 6522
|
||||
;============================
|
||||
|
||||
; -1
|
||||
cmp #$ff ; 2
|
||||
bne mb_not_13 ; 3
|
||||
; -1
|
||||
sei ; disable interrupts just in case
|
||||
|
||||
lda #$40 ; Continuous interrupts, don't touch PB7
|
||||
sta $C40B ; ACR register
|
||||
lda #$7F ; clear all interrupt flags
|
||||
sta $C40E ; IER register (interrupt enable)
|
||||
|
||||
lda #$C0
|
||||
sta $C40D ; IFR: 1100, enable interrupt on timer one oflow
|
||||
sta $C40E ; IER: 1100, enable timer one interrupt
|
||||
|
||||
lda #$E7
|
||||
sta $C404 ; write into low-order latch
|
||||
lda #$4f
|
||||
sta $C405 ; write into high-order latch,
|
||||
; load both values into counter
|
||||
; clear interrupt and start counting
|
||||
|
||||
; 4fe7 / 1e6 = .020s, 50Hz
|
||||
|
||||
rts
|
||||
.endif
|
||||
|
||||
|
||||
; delay 61
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
inc TEMP ; 5
|
||||
lda TEMP ; 3
|
||||
jmp mb_skip_13 ; 3
|
||||
;==================================
|
||||
; Print mockingboard detect message
|
||||
;==================================
|
||||
; note: on IIc must do this before enabling interrupt
|
||||
; as we disable ROM (COUT won't work?)
|
||||
|
||||
mb_not_13:
|
||||
print_mockingboard_detect:
|
||||
|
||||
; print detection message
|
||||
ldy #0
|
||||
print_mocking_message:
|
||||
lda mocking_message,Y ; load loading message
|
||||
beq done_mocking_message
|
||||
ora #$80
|
||||
jsr COUT
|
||||
iny
|
||||
jmp print_mocking_message
|
||||
done_mocking_message:
|
||||
jsr CROUT1
|
||||
|
||||
rts
|
||||
|
||||
print_mocking_notfound:
|
||||
|
||||
ldy #0
|
||||
print_not_message:
|
||||
lda not_message,Y ; load loading message
|
||||
beq print_not_message_done
|
||||
ora #$80
|
||||
jsr COUT
|
||||
iny
|
||||
jmp print_not_message
|
||||
print_not_message_done:
|
||||
rts
|
||||
|
||||
print_mocking_found:
|
||||
ldy #0
|
||||
print_found_message:
|
||||
lda found_message,Y ; load loading message
|
||||
beq done_found_message
|
||||
ora #$80
|
||||
jsr COUT
|
||||
iny
|
||||
jmp print_found_message
|
||||
done_found_message:
|
||||
|
||||
rts
|
||||
|
||||
;=========
|
||||
; strings
|
||||
;=========
|
||||
mocking_message: .asciiz "LOOKING FOR MOCKINGBOARD IN SLOT #4"
|
||||
not_message: .byte "NOT "
|
||||
found_message: .asciiz "FOUND"
|
||||
|
||||
|
||||
; address
|
||||
stx MOCK_6522_ORA1 ; put address on PA1 ; 4
|
||||
stx MOCK_6522_ORA2 ; put address on PA2 ; 4
|
||||
ldy #MOCK_AY_LATCH_ADDR ; latch_address for PB1 ; 2
|
||||
sty MOCK_6522_ORB1 ; latch_address on PB1 ; 4
|
||||
sty MOCK_6522_ORB2 ; latch_address on PB2 ; 4
|
||||
ldy #MOCK_AY_INACTIVE ; go inactive ; 2
|
||||
sty MOCK_6522_ORB1 ; 4
|
||||
sty MOCK_6522_ORB2 ; 4
|
||||
;==========
|
||||
; 28
|
||||
; value
|
||||
sta MOCK_6522_ORA1 ; put value on PA1 ; 4
|
||||
sta MOCK_6522_ORA2 ; put value on PA2 ; 4
|
||||
lda #MOCK_AY_WRITE ; ; 2
|
||||
sta MOCK_6522_ORB1 ; write on PB1 ; 4
|
||||
sta MOCK_6522_ORB2 ; write on PB2 ; 4
|
||||
sty MOCK_6522_ORB1 ; 4
|
||||
sty MOCK_6522_ORB2 ; 4
|
||||
;===========
|
||||
; 26
|
||||
mb_no_write:
|
||||
inx ; point to next register ; 2
|
||||
cpx #14 ; if 14 we're done ; 2
|
||||
bmi mb_write_loop ; otherwise, loop ; 3
|
||||
;============
|
||||
; 7
|
||||
mb_skip_13:
|
||||
; -1
|
||||
rts ; 6
|
||||
|
||||
|
||||
pt3_loop_smc:
|
||||
.byte $0,$0
|
||||
@ -11,6 +11,8 @@
|
||||
|
||||
PT3_LOC = song
|
||||
|
||||
PT3_USE_ZERO_PAGE = 1
|
||||
|
||||
start_rasterbars:
|
||||
|
||||
;===================
|
||||
@ -30,72 +32,12 @@ start_rasterbars:
|
||||
lda #1
|
||||
sta LOOP
|
||||
|
||||
;=================
|
||||
; Configure mockingboard
|
||||
|
||||
;============================
|
||||
; Check for Apple II/II+/IIc
|
||||
;============================
|
||||
|
||||
lda $FBB3 ; IIe and newer is $06
|
||||
cmp #6
|
||||
beq apple_iie_or_newer
|
||||
|
||||
; Apple II/II+
|
||||
|
||||
bne done_apple_detect
|
||||
|
||||
apple_iie_or_newer:
|
||||
lda $FBC0 ; 0 on a IIc
|
||||
bne done_apple_detect
|
||||
apple_iic:
|
||||
; activate IIc mockingboard?
|
||||
; this might only be necessary to allow detection
|
||||
; I get the impression the Mockingboard 4c activates
|
||||
; when you access any of the 6522 ports in Slot 4
|
||||
lda #$ff
|
||||
sta $C403
|
||||
sta $C404
|
||||
|
||||
done_apple_detect:
|
||||
|
||||
;=======================
|
||||
; Detect mockingboard
|
||||
;========================
|
||||
|
||||
; Note, we do this, but then ignore it, as sometimes
|
||||
; the test fails and then you don't get music.
|
||||
; In theory this could do bad things if you had something
|
||||
; easily confused in slot4, but that's probably not an issue.
|
||||
|
||||
; print detection message
|
||||
|
||||
; lda #<mocking_message ; load loading message
|
||||
; sta OUTL
|
||||
; lda #>mocking_message
|
||||
; sta OUTH
|
||||
; jsr move_and_print ; print it
|
||||
|
||||
jsr mockingboard_detect_slot4 ; call detection routine
|
||||
cpx #$1
|
||||
beq mockingboard_found
|
||||
|
||||
; lda #<not_message ; if not found, print that
|
||||
; sta OUTL
|
||||
; lda #>not_message
|
||||
; sta OUTH
|
||||
; inc CV
|
||||
; jsr move_and_print
|
||||
|
||||
; jmp forever_loop ; and wait forever
|
||||
|
||||
mockingboard_found:
|
||||
; lda #<found_message ; print found message
|
||||
; sta OUTL
|
||||
; lda #>found_message
|
||||
; sta OUTH
|
||||
; inc CV
|
||||
; jsr move_and_print
|
||||
jsr mockingboard_detect_slot4
|
||||
|
||||
;============================
|
||||
; Init the Mockingboard
|
||||
@ -111,7 +53,6 @@ mockingboard_found:
|
||||
|
||||
jsr pt3_init_song
|
||||
|
||||
|
||||
;=============================
|
||||
; Load graphic page0
|
||||
|
||||
@ -515,11 +456,14 @@ smc_raster_color1_2:
|
||||
|
||||
|
||||
|
||||
|
||||
.include "gr_simple_clear.s"
|
||||
.include "gr_offsets.s"
|
||||
.include "gr_unrle.s"
|
||||
|
||||
; dummy value for pt3 routines
|
||||
pt3_loop_smc:
|
||||
.byte $00,$00
|
||||
|
||||
.align $100
|
||||
.include "rasterbars_table.s"
|
||||
.include "movement_table.s"
|
||||
@ -537,8 +481,9 @@ yellow_x: .byte $20
|
||||
green_x: .byte $30
|
||||
blue_x: .byte $40
|
||||
|
||||
.include "pt3_lib_ci.s"
|
||||
.include "mockingboard_a.s"
|
||||
.include "pt3_lib_core.s"
|
||||
.include "pt3_lib_init.s"
|
||||
.include "pt3_lib_mockingboard.s"
|
||||
|
||||
;=============
|
||||
; include song
|
||||
|
||||
@ -69,19 +69,13 @@ ORNAMENT_H = $03
|
||||
SAMPLE_L = $04
|
||||
SAMPLE_H = $05
|
||||
|
||||
WHICH_FILE = $63
|
||||
MB_VALUE = $62
|
||||
PT3_TEMP = $63
|
||||
LOOP = $64
|
||||
MB_ADDRL = $65
|
||||
MB_ADDRH = $66
|
||||
DONE_PLAYING = $67
|
||||
DONE_SONG = $68
|
||||
FIRE_FB_L = $69
|
||||
FIRE_FB_H = $6A
|
||||
FIRE_FB2_L = $6B
|
||||
FIRE_FB2_H = $6C
|
||||
FIRE_FB_LINE = $6D
|
||||
FIRE_Q = $6E
|
||||
FIRE_Y = $6F
|
||||
FIRE_X = $70
|
||||
DISP_PAGE = $71
|
||||
DRAW_PAGE = $72
|
||||
|
||||
Loading…
Reference in New Issue
Block a user