mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-16 08:05:31 +00:00
436 lines
6.7 KiB
ArmAsm
436 lines
6.7 KiB
ArmAsm
; Display Starring w People
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; 2nd/3rd = split low/hires w tengwar wipe at bottom
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starring_people:
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;===================
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; init screen
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bit KEYRESET
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;===================
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; init vars
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lda #0
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sta DRAW_PAGE
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sta FRAME
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sta FRAMEH
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lda #40
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sta XPOS
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;=============================
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; Load graphic hgr
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sp_smc1:
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lda #<fs_hgr
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sta LZ4_SRC
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sp_smc2:
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lda #>fs_hgr
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sta LZ4_SRC+1
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sp_smc3:
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lda #<(fs_hgr_end-8) ; skip checksum at end
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sta LZ4_END
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sp_smc4:
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lda #>(fs_hgr_end-8) ; skip checksum at end
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sta LZ4_END+1
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lda #<$2000
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sta LZ4_DST
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lda #>$2000
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sta LZ4_DST+1
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jsr lz4_decode
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;=============================
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; Load list of names to PAGE2
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lda #$0c
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sta BASH
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lda #$00
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sta BASL ; first load image to $c00
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lda #<sp_names
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sta GBASL
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lda #>sp_names
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sta GBASH
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jsr load_rle_gr
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lda #4
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sta DRAW_PAGE
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jsr gr_copy_to_current ; then copy to PAGE2
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;=============================
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; Load person image to PAGE1
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lda #$0c
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sta BASH
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lda #$00
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sta BASL ; load image to $c00
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sp_smc5:
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lda #<fs
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sta GBASL
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sp_smc6:
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lda #>fs
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sta GBASH
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jsr load_rle_gr
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lda #0
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sta DRAW_PAGE
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; GR part
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bit PAGE0
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sei
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;==============================
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; setup graphics for vapor lock
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;==============================
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jsr vapor_lock ; 6
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; vapor lock returns with us at beginning of hsync in line
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; 114 (7410 cycles), so with 5070 cycles to go
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; so to get to end of blank = 9620 - 9298 = 322
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; really could use a sound update in the middle there, but 1038 cycles?
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jsr play_music ; 6+1032
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jsr gr_copy_to_current ; 6+ 9292
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; 322-1028 = 716 cycles into display, so need to delay
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; 12480 - 716 = 11764
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; now we have 322 left
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; GR part
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bit LORES ; 4
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bit SET_GR ; 4
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bit FULLGR ; 4
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; 322 - 12 = 310
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; - 3 for jmp
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; 307
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; Try X=9 Y=6 cycles=307
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; 11749
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; Try X=70 Y=33 cycles=11749
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ldy #33 ; 2
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sploopA:ldx #70 ; 2
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sploopB:dex ; 2
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bne sploopB ; 2nt/3
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dey ; 2
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bne sploopA ; 2nt/3
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jsr play_music ; 6+1032
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; 4550 - 1038 = 3512
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; Try X=99 Y=7 cycles=3508 R4
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nop
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nop
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ldy #7 ; 2
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sploopT:ldx #99 ; 2
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sploopQ:dex ; 2
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bne sploopQ ; 2nt/3
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dey ; 2
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bne sploopT ; 2nt/3
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jmp sp_begin_loop
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.align $100
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;================================================
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; Starring People Loop
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;================================================
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; each scan line 65 cycles
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; 1 cycle each byte (40cycles) + 25 for horizontal
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; Total of 12480 cycles to draw screen
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; Vertical blank = 4550 cycles (70 scan lines)
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; Total of 17030 cycles to get back to where was
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; G00000000000000000000 H0000000000000000000000
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sp_begin_loop:
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sp_display_loop:
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ldy #148
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sp_outer_loop:
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bit LORES ; 4
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lda #7 ; 2
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jsr delay_a ; 25+7 = 32
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;===========
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; 38
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bit HIRES ; 4
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nop ; 2
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nop ; 2
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nop ; 2
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lda $0 ; 3
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lda $0 ; 3
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lda $0 ; 3
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lda $0 ; 3
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;============
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; 22
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dey ; 2
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bne sp_outer_loop ; 3
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; -1
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bit LORES ; 4
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; want to kill 44*65 -3 = 2857
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;======================================================
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; We have 4550 cycles in the vblank, use them wisely
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;======================================================
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; do_nothing should be 4550
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; +2857 fallthrough from above
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; -23 increase frame
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; -7 exit on timeout
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; -10 keypress
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; -2 ldy at top
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; -8 pause a bit
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; -32 draw yellow
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; -49 wipe
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; -1038 music
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; ===========
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; 6238
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lda FRAMEH ; 3
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cmp #15 ; 2
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bcs sp_name_wipe ; bge ; 3
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; -1
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lda #52 ; 2
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jsr delay_a ; 25+52
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jmp sp_done_copy ; 3
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sp_name_wipe:
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;=======================
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; do the name wipe
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;=======================
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; 10 + 22 = 32
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lda #$dd ; 2
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ldx XPOS ; 3
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dex ; 2
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bmi sp_no_yellow ; 3
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;-1
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sta $650,X ; 5
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sta $6d0,X ; 5
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sta $750,X ; 5
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sta $7d0,X ; 5
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jmp sp_done_yellow ; 3
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sp_no_yellow:
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dec XPOS
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inc XPOS
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dec XPOS
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inc XPOS
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nop
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sp_done_yellow:
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;=======================
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; do the name wipe
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;=======================
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; 6 + 43
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ldx XPOS ; 3
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bmi sp_no_copy ; 3
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;-1
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sp_smc8:
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lda $800,X ; 4
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sta $650,X ; 5
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sp_smc9:
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lda $880,X ; 4
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sta $6d0,X ; 5
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sp_smc10:
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lda $900,X ; 4
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sta $750,X ; 5
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sp_smc11:
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lda $980,X ; 4
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sta $7d0,X ; 5
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dec XPOS ; 5
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jmp sp_done_copy ; 3
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sp_no_copy:
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lda #16 ; 2
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jsr delay_a ; 25+16
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sp_done_copy:
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;================
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; wrap counter
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;================
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; nowrap = 13+10=23
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; wrap = 13+10=23
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inc FRAME ; 5
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lda FRAME ; 3
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cmp #4 ; 20Hz ; 2
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beq sp_wrap ; 3
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sp_nowrap:
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;-1
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lda $0 ; nop ; 3
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lda $0 ; nop ; 3
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nop ; 2
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jmp sp_wrap_done ; 3
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sp_wrap:
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lda #0 ; 2
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sta FRAME ; 3
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inc FRAMEH ; 5
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sp_wrap_done:
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;==============
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; timeout after 5s or so?
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;==============
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; 7 cycles
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sp_timeout:
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lda FRAMEH ; 3
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cmp #62 ; 2
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beq sp_done ; 3
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; -1
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jsr play_music ; 6+1032
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; Try X=17 Y=80 cycles=7281 R3
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; Try X=57 Y=25 cycles=7276
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; Try X=45 Y=27 cycles=6238
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ldy #27 ; 2
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sploop1:ldx #45 ; 2
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sploop2:dex ; 2
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bne sploop2 ; 2nt/3
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dey ; 2
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bne sploop1 ; 2nt/3
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lda KEYPRESS ; 4
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bpl sp_no_keypress ; 3
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jmp sp_done
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sp_no_keypress:
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jmp sp_display_loop ; 3
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sp_done:
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bit KEYRESET ; clear keypress ; 4
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; jsr mockingboard_mute
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cli
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rts ; 6
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setup_people_fs:
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lda #<fs_hgr
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sta sp_smc1+1
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lda #>fs_hgr
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sta sp_smc2+1
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lda #<(fs_hgr_end-8) ; skip checksum at end
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sta sp_smc3+1
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lda #>(fs_hgr_end-8) ; skip checksum at end
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sta sp_smc4+1
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lda #<fs
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sta sp_smc5+1
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lda #>fs
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sta sp_smc6+1
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lda #$0
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sta sp_smc8+1
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sta sp_smc10+1
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lda #$80
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sta sp_smc9+1
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sta sp_smc11+1
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rts
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setup_people_deater:
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lda #<deater_hgr
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sta sp_smc1+1
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lda #>deater_hgr
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sta sp_smc2+1
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lda #<(deater_hgr_end-8) ; skip checksum at end
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sta sp_smc3+1
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lda #>(deater_hgr_end-8) ; skip checksum at end
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sta sp_smc4+1
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lda #<deater
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sta sp_smc5+1
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lda #>deater
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sta sp_smc6+1
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lda #$28
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sta sp_smc8+1
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sta sp_smc10+1
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lda #$a8
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sta sp_smc9+1
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sta sp_smc11+1
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rts
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setup_people_lg:
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lda #<lg_hgr
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sta sp_smc1+1
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lda #>lg_hgr
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sta sp_smc2+1
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lda #<(lg_hgr_end-8) ; skip checksum at end
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sta sp_smc3+1
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lda #>(lg_hgr_end-8) ; skip checksum at end
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sta sp_smc4+1
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lda #<lg
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sta sp_smc5+1
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lda #>lg
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sta sp_smc6+1
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lda #$50
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sta sp_smc8+1
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sta sp_smc10+1
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lda #$d0
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sta sp_smc9+1
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sta sp_smc11+1
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rts
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;.include "fs.inc"
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;.include "deater.inc"
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;fs_hgr:
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;.incbin "FS_HGRC.BIN.lz4",11
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;fs_hgr_end:
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;deater_hgr:
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;.incbin "DEATER_HGRC.BIN.lz4",11
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;deater_hgr_end:
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