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https://github.com/deater/dos33fsprogs.git
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second: add some scrolling to thumbnail credits
This commit is contained in:
Vince Weaver
parent
ca71d4aea3
commit
9cbb2f3c25
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@ -242,6 +242,7 @@ music2.inc: generate_common MUSIC2
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./generate_common -a 0xd000 -s mockingboard_disable_interrupt music2.lst >> music2.inc
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./generate_common -a 0xd000 -s done_pt3_irq_handler music2.lst >> music2.inc
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./generate_common -a 0xd000 -s PT3_LOC music2.lst >> music2.inc
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./generate_common -a 0xd000 -s current_pattern_smc music2.lst >> music2.inc
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./generate_common -a 0xd000 -s copy_main_aux music2.lst >> music2.inc
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./generate_common -a 0xd000 -s copy_aux_main music2.lst >> music2.inc
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@ -71,13 +71,18 @@ DISK II
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- sprite animation of ship
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+ credits
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+ credits (thumbnail)
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- scroll logos in from right, then out to left
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- scroll the text in
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- smoother scroll the text in
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maybe skip ever other X to avoid palette shift
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properly come in from off screen
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use page flipping
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- smoother scrolling. Only need to scroll middle 20 bytes or so?
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+ final credits
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- smoother scrolling
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wait on vblank?
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use page flipping, alternate scrolling by two?
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probably doable but don't have time
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+ after-credits
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RR?
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@ -15,6 +15,7 @@ CREDITS: credits.o
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credits.o: credits.s vertical_scroll.s ../zx02_optim.s \
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thumbnail_credits.s \
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horiz_scroll_simple.s \
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font_4am_1x8.s font_4am_1x10.s \
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graphics/summary1_invert.hgr.zx02 \
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../zp.inc ../hardware.inc ../qload.inc
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@ -9,6 +9,7 @@
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.include "../zp.inc"
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.include "../hardware.inc"
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.include "../qload2.inc"
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.include "../music2.inc"
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mod7_table = $1c00
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div7_table = $1d00
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@ -20,6 +21,8 @@ intro_start:
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; initializations
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;=====================
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bit KEYRESET ; clear just in case
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;===================
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; Load graphics
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;===================
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@ -139,6 +142,8 @@ no_update_message:
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.include "thumbnail_credits.s"
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.include "../irq_wait.s"
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summary1_data:
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.incbin "graphics/summary1_invert.hgr.zx02"
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142
demos/second/part20_credits/horiz_scroll_simple.s
Normal file
142
demos/second/part20_credits/horiz_scroll_simple.s
Normal file
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@ -0,0 +1,142 @@
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;====================================
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; Note: just does top part of screen
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;====================================
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; 16 ... 80
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; just one step
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; always scrolls in black
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horiz_scroll_left:
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;scroll_left_loop:
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;
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; lda #0
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; sta COUNT
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scroll_left_outer_outer_loop:
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ldx #80 ; end is 80
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scroll_left_outer_loop:
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lda hposn_high,X
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clc
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adc DRAW_PAGE
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sta hsl_smc1+2
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sta hsl_smc2+2
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sta hsl_smc4+2
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; eor #$60
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; sta hsl_smc3+2
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lda hposn_low,X
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sta hsl_smc2+1
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sta hsl_smc4+1
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sta hsl_smc1+1
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inc hsl_smc1+1
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; clc
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; adc COUNT
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; sta hsl_smc3+1
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ldy #0
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scroll_left_inner_loop:
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hsl_smc1:
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lda $2000+1,Y
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hsl_smc2:
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sta $2000,Y
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iny
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cpy #39
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bne scroll_left_inner_loop
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;hsl_smc3:
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; lda $4000
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lda #$0 ; always scroll in black
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hsl_smc4:
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sta $2000,Y
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dex
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cpx #15 ; end at 16
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bne scroll_left_outer_loop
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; inc COUNT
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; lda COUNT
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; cmp #39
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; bne scroll_left_outer_outer_loop
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rts
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;====================================
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; Note: just does top part of screen
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;====================================
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; 16 ... 80
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; just one step
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; always scrolls in black
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horiz_scroll_right:
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;scroll_right_loop:
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;
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; lda #0
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; sta COUNT
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scroll_right_outer_outer_loop:
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ldx #80 ; end is 80
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scroll_right_outer_loop:
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lda hposn_high,X
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clc
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adc DRAW_PAGE
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sta hsr_smc1+2
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sta hsr_smc2+2
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sta hsr_smc4+2
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lda hposn_low,X
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sta hsr_smc1+1
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sta hsr_smc4+1
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sta hsr_smc2+1
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inc hsr_smc2+1
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ldy #38
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scroll_right_inner_loop:
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hsr_smc1:
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lda $2000,Y
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hsr_smc2:
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sta $2000+1,Y
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dey
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bpl scroll_right_inner_loop
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lda #$0 ; always scroll in black
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iny
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hsr_smc4:
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sta $2000,Y
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dex
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cpx #15 ; end at 16
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bne scroll_right_outer_loop
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; inc COUNT
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; lda COUNT
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; cmp #39
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; bne scroll_right_outer_outer_loop
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rts
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@ -42,8 +42,8 @@ thumbnail_credits:
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credits_logo_outer_outer:
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lda #200 ; 4 seconds? actual is 5ish
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sta IRQ_COUNTDOWN
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; lda #200 ; 4 seconds? actual is 5ish
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; sta IRQ_COUNTDOWN
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lda DRAW_PAGE
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and #$20
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@ -85,10 +85,12 @@ cloo_write_text:
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tax
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pla
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;========================
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;========================
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; draw the thumbnail
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; TODO: scroll it in
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;========================
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;========================
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ldx COUNT ; patch the source offsets
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lda logo_x_offsets,X
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@ -101,15 +103,15 @@ credits_logo_outer:
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; setup output pointer
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lda hposn_low+16,X ; adjust X
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lda hposn_low+16,X ; adjust Y position
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clc
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adc #15 ; center on screen
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adc #0 ; (was 15 to center on screen)
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sta OUTL
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; setup high
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clc
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lda hposn_high+16,X
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lda hposn_high+16,X ; adjust Y position
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adc DRAW_PAGE
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sta OUTH
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@ -159,15 +161,67 @@ cloo_disp_page1:
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cloo_done_flip:
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; done drawing...
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;======================================
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; scroll it right
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;======================================
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lda DRAW_PAGE
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eor #$20
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sta DRAW_PAGE ; do it on visible page
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lda #0
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sta SCROLL_X
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scroll_right_loop:
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jsr horiz_scroll_right
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; sleep?
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inc SCROLL_X
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lda SCROLL_X
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cmp #15
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bne scroll_right_loop
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;======================================
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; pause a bit
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;======================================
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lda #3
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jsr wait_seconds
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;======================================
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; scroll it left
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;======================================
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lda #0
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sta SCROLL_X
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scroll_left_loop:
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jsr horiz_scroll_left
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; sleep?
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inc SCROLL_X
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lda SCROLL_X
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cmp #25
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bne scroll_left_loop
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; flip back to off-screen
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lda DRAW_PAGE
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eor #$20
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sta DRAW_PAGE
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;======================================
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; wait until IRQ countdown or keypress
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;======================================
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;cloo_check_again:
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; lda KEYPRESS
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; bmi cloo_check_done
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cloo_check_again:
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lda KEYPRESS
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bmi cloo_check_done
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lda IRQ_COUNTDOWN
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bne cloo_check_again
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; lda IRQ_COUNTDOWN
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; bne cloo_check_again
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cloo_check_done:
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bit KEYRESET
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@ -198,6 +252,9 @@ done_credits_logo:
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rts
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.include "horiz_scroll_simple.s"
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logo_y_offsets:
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.byte 0,0,0,0
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.byte 64,64,64,64
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@ -184,6 +184,9 @@ SCALE_I = $F8
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SCALE_F = $F9
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ANGLE = $FA
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; credits
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SCROLL_X = $F0
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;==============================================
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; $FC-$FF we use for in/out pointers
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;==============================================
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