sb: use page flipping
This commit is contained in:
Vince Weaver
parent
7ec3ce6856
commit
ce03614991
|
|
@ -116,8 +116,8 @@ TITLE: title.o
|
|||
title.o: title.s zx02_optim.s \
|
||||
zp.inc hardware.inc \
|
||||
hgr_logo_scroll.s audio.s hgr_sprite.s \
|
||||
hgr_sprite_big.s \
|
||||
purple.s lc_detect.s \
|
||||
hgr_sprite_big.s hgr_copy_fast.s \
|
||||
purple.s lc_detect.s hgr_tables.s \
|
||||
title_sound/purple.btc.zx02 \
|
||||
title_graphics/czmg4ap_title.hgr.zx02 \
|
||||
title_graphics/videlectrix_top.hgr.zx02 \
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@ Strongbadzone:
|
|||
+ Sprites with mask?
|
||||
+ Animate side walls
|
||||
+ Move head
|
||||
|
||||
+ Faster hgr copy?
|
||||
|
||||
Cliff:
|
||||
+ Lots
|
||||
|
|
|
|||
|
|
@ -8,8 +8,13 @@
|
|||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
|
||||
div7_table = $400
|
||||
mod7_table = $500
|
||||
hposn_high = $600
|
||||
hposn_low = $700
|
||||
|
||||
hires_start:
|
||||
|
||||
strongbadzone_start:
|
||||
|
||||
;===================
|
||||
; set graphics mode
|
||||
|
|
@ -84,7 +89,7 @@ load_background:
|
|||
sta ZX0_src+1
|
||||
|
||||
|
||||
lda #$20
|
||||
lda #$80
|
||||
|
||||
|
||||
jsr full_decomp
|
||||
|
|
@ -101,8 +106,33 @@ load_background:
|
|||
;===========================
|
||||
main_loop:
|
||||
|
||||
inc FRAME
|
||||
;==========
|
||||
; flip page
|
||||
;==========
|
||||
|
||||
lda DRAW_PAGE
|
||||
beq draw_page2
|
||||
draw_page1:
|
||||
bit PAGE2
|
||||
lda #0
|
||||
|
||||
beq done_flip
|
||||
|
||||
draw_page2:
|
||||
bit PAGE1
|
||||
lda #$20
|
||||
|
||||
done_flip:
|
||||
sta DRAW_PAGE
|
||||
|
||||
;========================
|
||||
; copy over backgrund
|
||||
;========================
|
||||
|
||||
jsr hgr_copy
|
||||
|
||||
|
||||
inc FRAME
|
||||
|
||||
;===========================
|
||||
; move head
|
||||
|
|
@ -113,7 +143,7 @@ main_loop:
|
|||
bne no_move_head
|
||||
|
||||
lda STRONGBAD_X
|
||||
cmp #22
|
||||
cmp #21
|
||||
bcs reverse_head_dir
|
||||
cmp #12
|
||||
bcs no_reverse_head_dir
|
||||
|
|
@ -164,7 +194,6 @@ no_move_head:
|
|||
|
||||
check_keypress:
|
||||
lda KEYPRESS
|
||||
; bpl check_keypress
|
||||
bpl done_keyboard_check
|
||||
|
||||
bit KEYRESET ; clear the keyboard strobe
|
||||
|
|
@ -194,11 +223,18 @@ done_keyboard_check:
|
|||
jmp main_loop
|
||||
|
||||
move_left:
|
||||
lda PLAYER_X
|
||||
beq no_more_left
|
||||
dec PLAYER_X
|
||||
no_more_left:
|
||||
jmp main_loop
|
||||
|
||||
move_right:
|
||||
lda PLAYER_X
|
||||
cmp #29 ; bge
|
||||
bcs no_more_right
|
||||
inc PLAYER_X
|
||||
no_more_right:
|
||||
jmp main_loop
|
||||
|
||||
|
||||
|
|
@ -226,6 +262,7 @@ wait_until_keypress:
|
|||
.include "zx02_optim.s"
|
||||
.include "hgr_sprite_big.s"
|
||||
.include "cycle_colors.s"
|
||||
.include "hgr_copy_fast.s"
|
||||
|
||||
.include "asplode_graphics/sb_sprites.inc"
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,44 @@
|
|||
;=========================================================
|
||||
; hgr copy from $2000 to $4000
|
||||
;=========================================================
|
||||
; copy $2000 to $4000
|
||||
|
||||
; would be faster if we unroll it, but much bigger
|
||||
|
||||
; 14+ ((14*256)+20)*32 + 5 = 115347 = 8.6fps
|
||||
|
||||
; theoretical unrolled, 30*6 bytes bigger (180 bytes?)
|
||||
; 2 + ((9*32)+5)*256 + 5 = 75015 = 13.3 fps
|
||||
|
||||
hgr_copy:
|
||||
|
||||
ldx #0 ; 2
|
||||
lda #$80 ; 2
|
||||
sta hgr_copy_smc+2 ; 4
|
||||
|
||||
lda DRAW_PAGE
|
||||
clc
|
||||
adc #$20
|
||||
; lda #$20 ; 2
|
||||
sta hgr_copy_smc+5 ; 4
|
||||
|
||||
hgr_copy_column:
|
||||
|
||||
hgr_copy_smc:
|
||||
lda $8000,X ; 4
|
||||
sta $2000,X ; 5
|
||||
|
||||
dex ; 2
|
||||
bne hgr_copy_column ; 2nt/3t
|
||||
|
||||
|
||||
|
||||
inc hgr_copy_smc+2 ; 6
|
||||
inc hgr_copy_smc+5 ; 6
|
||||
|
||||
lda hgr_copy_smc+2 ; 4
|
||||
cmp #$A0 ; 2
|
||||
bne hgr_copy_column ; 2/3
|
||||
|
||||
rts ; 6
|
||||
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
div7_table = $9C00
|
||||
mod7_table = $9D00
|
||||
hposn_high = $9E00
|
||||
hposn_low = $9F00
|
||||
;div7_table = $9C00
|
||||
;mod7_table = $9D00
|
||||
;hposn_high = $9E00
|
||||
;hposn_low = $9F00
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -183,7 +183,7 @@ sector_array:
|
|||
|
||||
|
||||
length_array:
|
||||
.byte 40, 16, 16, 32 ; TITLE, DUCK, ROOF, ASPLODE
|
||||
.byte 40, 16, 16, 40 ; TITLE, DUCK, ROOF, ASPLODE
|
||||
.byte 32, 32, 32 ; TARGET, CLIFF, RAT
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -10,6 +10,11 @@
|
|||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
|
||||
div7_table = $9C00
|
||||
mod7_table = $9D00
|
||||
hposn_high = $9E00
|
||||
hposn_low = $9F00
|
||||
|
||||
fortnight_start:
|
||||
|
||||
lda #$20
|
||||
|
|
|
|||
|
|
@ -6,6 +6,10 @@
|
|||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
|
||||
div7_table = $9C00
|
||||
mod7_table = $9D00
|
||||
hposn_high = $9E00
|
||||
hposn_low = $9F00
|
||||
|
||||
hires_start:
|
||||
|
||||
|
|
@ -189,6 +193,9 @@ wait_until_keypress:
|
|||
;=========================
|
||||
; see if number pressed
|
||||
|
||||
cmp #27
|
||||
beq load_loop
|
||||
|
||||
cmp #'7'
|
||||
beq draw_edga_jr
|
||||
|
||||
|
|
|
|||
|
|
@ -29,6 +29,7 @@ title_sprites.inc: czmg4ap_title_sprites.png
|
|||
$(HGR_SPRITE) -s -l empty_sprite czmg4ap_title_sprites.png 105 131 118 138 > title_sprites.inc
|
||||
$(HGR_SPRITE) -s -l arrow_sprite czmg4ap_title_sprites.png 105 111 118 118 >> title_sprites.inc
|
||||
$(HGR_SPRITE) -s -l purple_sprite czmg4ap_title_sprites.png 175 83 230 102 >> title_sprites.inc
|
||||
$(HGR_SPRITE) -s -l edga_jr_sprite czmg4ap_title_sprites.png 0 0 69 71 >> title_sprites.inc
|
||||
|
||||
|
||||
####
|
||||
|
|
|
|||
Loading…
Reference in New Issue