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waterfall: better document count

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This commit is contained in:
Vince Weaver 2018-08-02 14:18:33 -04:00
parent 9f17e366dd
commit 093bc751de
3 changed files with 76 additions and 12 deletions
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2
waterfall/Makefile
View File

@ -17,7 +17,7 @@ WATERFALL: waterfall.o
ld65 -o WATERFALL waterfall.o -C ../linker_scripts/apple2_1000.inc
waterfall.o: waterfall.s gr_copy.s \
waterfall_page1.inc waterfall_page2.inc
waterfall_page1.inc waterfall_page2.inc tfv_sprites.inc
ca65 -o waterfall.o waterfall.s -l waterfall.lst
####

56
waterfall/tfv_sprites.inc Normal file
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@ -0,0 +1,56 @@
bird_rider_stand_right:
.byte $6,$7
.byte $00,$dd,$bd,$00,$00,$00
.byte $00,$dd,$db,$00,$dd,$90
.byte $00,$00,$22,$02,$dd,$00
.byte $0d,$dd,$d2,$22,$dd,$00
.byte $00,$00,$0d,$82,$8d,$00
.byte $00,$00,$00,$99,$00,$00
.byte $00,$00,$00,$99,$90,$00
; 00=22 0X=3 X0=2 XX=15
; = 33 + Y*(52)+ [30A + 64B + 69C + 54D]-Y
; = 33 + 7*52 + 30*22 + 64*3 + 69*2 + 54*15 - 7
; = 2190
bird_rider_walk_right:
.byte $6,$7
.byte $00,$dd,$bd,$00,$00,$00
.byte $00,$dd,$db,$00,$dd,$90
.byte $00,$00,$22,$02,$dd,$00
.byte $0d,$dd,$d2,$22,$dd,$00
.byte $00,$00,$0d,$82,$8d,$00
.byte $00,$00,$00,$99,$00,$00
.byte $00,$00,$99,$00,$99,$00
; 00=22 0X=3 X0=1 XX=16
; = 33 + Y*(52)+ [30A + 64B + 69C + 54D]-Y
; = 33 + 7*52 + 30*22 + 64*3 + 69*1 + 54*16 - 7
; = 2175
bird_rider_stand_left:
.byte $6,$7
.byte $00,$00,$00,$bd,$dd,$00
.byte $90,$dd,$00,$db,$dd,$00
.byte $00,$dd,$02,$22,$00,$00
.byte $00,$dd,$22,$d2,$dd,$0d
.byte $00,$8d,$82,$0d,$00,$00
.byte $00,$00,$99,$00,$00,$00
.byte $00,$90,$99,$00,$00,$00
; 00=22 0X=3 X0=2 XX=15
; = 33 + Y*(52)+ [30A + 64B + 69C + 54D]-Y
; = 33 + 7*52 + 30*22 + 64*3 + 69*2 + 54*15 - 7
; = 2190
bird_rider_walk_left:
.byte $6,$7
.byte $00,$00,$00,$bd,$dd,$00
.byte $90,$dd,$00,$db,$dd,$00
.byte $00,$dd,$02,$22,$00,$00
.byte $00,$dd,$22,$d2,$dd,$0d
.byte $00,$8d,$82,$0d,$00,$00
.byte $00,$00,$99,$00,$00,$00
.byte $00,$99,$00,$99,$00,$00
; 00=22 0X=3 X0=1 XX=16
; = 33 + Y*(52)+ [30A + 64B + 69C + 54D]-Y
; = 33 + 7*52 + 30*22 + 64*3 + 69*1 + 54*16 - 7
; = 2175

30
waterfall/waterfall.s
View File

@ -78,9 +78,6 @@ waterfall_demo:
bit SET_GR ; 4
bit FULLGR ; 4
jsr wait_until_keypressed
;=============================
; Load graphic page1
@ -103,8 +100,6 @@ waterfall_demo:
; GR part
bit PAGE0
jsr wait_until_keypressed
;==============================
; setup graphics for vapor lock
@ -236,20 +231,33 @@ page1_loop: ; delay 115+(7 loop)+4 (bit)+4(extra)
;======================================================
; We have 4550 cycles in the vblank, use them wisely
;======================================================
; do_nothing should be 4550+1 -2-9 -7= 4533
; do_nothing should be 4550
; +1 fallthrough from above
; -2 display loop setup
; -6 jsr to do_nothing
; -10 check for keypress
; =============
; 4533
jsr do_nothing ; 6
; lda #4 ; 4
; sta DRAW_PAGE ; 3
; jsr gr_copy_to_current ; 6+ 9292
;=========
;
jsr do_nothing ; 6
lda KEYPRESS ; 4
bpl no_keypress ; 3
jmp run_forever
jmp all_done
no_keypress:
jmp display_loop ; 3
run_forever:
jmp run_forever
all_done:
jmp all_done
;=================================
@ -325,4 +333,4 @@ gr_offsets:
.include "waterfall_page1.inc"
.include "waterfall_page2.inc"
.include "tfv_sprites.inc"