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https://github.com/deater/dos33fsprogs.git
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sb: use page flipping
This commit is contained in:
Vince Weaver
parent
7ec3ce6856
commit
ce03614991
@ -116,8 +116,8 @@ TITLE: title.o
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title.o: title.s zx02_optim.s \
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zp.inc hardware.inc \
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hgr_logo_scroll.s audio.s hgr_sprite.s \
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hgr_sprite_big.s \
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purple.s lc_detect.s \
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hgr_sprite_big.s hgr_copy_fast.s \
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purple.s lc_detect.s hgr_tables.s \
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title_sound/purple.btc.zx02 \
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title_graphics/czmg4ap_title.hgr.zx02 \
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title_graphics/videlectrix_top.hgr.zx02 \
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@ -18,7 +18,7 @@ Strongbadzone:
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+ Sprites with mask?
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+ Animate side walls
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+ Move head
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+ Faster hgr copy?
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Cliff:
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+ Lots
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@ -8,8 +8,13 @@
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.include "zp.inc"
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.include "hardware.inc"
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div7_table = $400
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mod7_table = $500
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hposn_high = $600
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hposn_low = $700
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hires_start:
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strongbadzone_start:
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;===================
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; set graphics mode
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@ -84,7 +89,7 @@ load_background:
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sta ZX0_src+1
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lda #$20
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lda #$80
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jsr full_decomp
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@ -101,8 +106,33 @@ load_background:
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;===========================
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main_loop:
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inc FRAME
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;==========
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; flip page
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;==========
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lda DRAW_PAGE
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beq draw_page2
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draw_page1:
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bit PAGE2
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lda #0
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beq done_flip
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draw_page2:
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bit PAGE1
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lda #$20
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done_flip:
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sta DRAW_PAGE
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;========================
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; copy over backgrund
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;========================
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jsr hgr_copy
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inc FRAME
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;===========================
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; move head
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@ -113,7 +143,7 @@ main_loop:
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bne no_move_head
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lda STRONGBAD_X
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cmp #22
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cmp #21
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bcs reverse_head_dir
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cmp #12
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bcs no_reverse_head_dir
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@ -164,7 +194,6 @@ no_move_head:
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check_keypress:
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lda KEYPRESS
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; bpl check_keypress
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bpl done_keyboard_check
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bit KEYRESET ; clear the keyboard strobe
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@ -194,11 +223,18 @@ done_keyboard_check:
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jmp main_loop
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move_left:
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lda PLAYER_X
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beq no_more_left
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dec PLAYER_X
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no_more_left:
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jmp main_loop
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move_right:
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lda PLAYER_X
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cmp #29 ; bge
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bcs no_more_right
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inc PLAYER_X
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no_more_right:
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jmp main_loop
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@ -226,6 +262,7 @@ wait_until_keypress:
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.include "zx02_optim.s"
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.include "hgr_sprite_big.s"
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.include "cycle_colors.s"
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.include "hgr_copy_fast.s"
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.include "asplode_graphics/sb_sprites.inc"
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44
games/sb/hgr_copy_fast.s
Normal file
44
games/sb/hgr_copy_fast.s
Normal file
@ -0,0 +1,44 @@
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;=========================================================
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; hgr copy from $2000 to $4000
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;=========================================================
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; copy $2000 to $4000
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; would be faster if we unroll it, but much bigger
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; 14+ ((14*256)+20)*32 + 5 = 115347 = 8.6fps
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; theoretical unrolled, 30*6 bytes bigger (180 bytes?)
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; 2 + ((9*32)+5)*256 + 5 = 75015 = 13.3 fps
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hgr_copy:
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ldx #0 ; 2
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lda #$80 ; 2
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sta hgr_copy_smc+2 ; 4
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lda DRAW_PAGE
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clc
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adc #$20
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; lda #$20 ; 2
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sta hgr_copy_smc+5 ; 4
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hgr_copy_column:
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hgr_copy_smc:
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lda $8000,X ; 4
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sta $2000,X ; 5
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dex ; 2
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bne hgr_copy_column ; 2nt/3t
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inc hgr_copy_smc+2 ; 6
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inc hgr_copy_smc+5 ; 6
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lda hgr_copy_smc+2 ; 4
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cmp #$A0 ; 2
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bne hgr_copy_column ; 2/3
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rts ; 6
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@ -1,7 +1,7 @@
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div7_table = $9C00
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mod7_table = $9D00
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hposn_high = $9E00
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hposn_low = $9F00
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;div7_table = $9C00
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;mod7_table = $9D00
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;hposn_high = $9E00
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;hposn_low = $9F00
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@ -183,7 +183,7 @@ sector_array:
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length_array:
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.byte 40, 16, 16, 32 ; TITLE, DUCK, ROOF, ASPLODE
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.byte 40, 16, 16, 40 ; TITLE, DUCK, ROOF, ASPLODE
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.byte 32, 32, 32 ; TARGET, CLIFF, RAT
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@ -10,6 +10,11 @@
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.include "zp.inc"
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.include "hardware.inc"
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div7_table = $9C00
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mod7_table = $9D00
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hposn_high = $9E00
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hposn_low = $9F00
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fortnight_start:
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lda #$20
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@ -6,6 +6,10 @@
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.include "zp.inc"
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.include "hardware.inc"
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div7_table = $9C00
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mod7_table = $9D00
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hposn_high = $9E00
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hposn_low = $9F00
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hires_start:
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@ -189,6 +193,9 @@ wait_until_keypress:
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;=========================
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; see if number pressed
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cmp #27
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beq load_loop
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cmp #'7'
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beq draw_edga_jr
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@ -29,6 +29,7 @@ title_sprites.inc: czmg4ap_title_sprites.png
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$(HGR_SPRITE) -s -l empty_sprite czmg4ap_title_sprites.png 105 131 118 138 > title_sprites.inc
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$(HGR_SPRITE) -s -l arrow_sprite czmg4ap_title_sprites.png 105 111 118 118 >> title_sprites.inc
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$(HGR_SPRITE) -s -l purple_sprite czmg4ap_title_sprites.png 175 83 230 102 >> title_sprites.inc
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$(HGR_SPRITE) -s -l edga_jr_sprite czmg4ap_title_sprites.png 0 0 69 71 >> title_sprites.inc
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####
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