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https://github.com/deater/dos33fsprogs.git
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dlowres: got sprites sorta working
This commit is contained in:
Vince Weaver
parent
ff4f5d4f0c
commit
f46567562d
@ -355,12 +355,16 @@ speed_loop:
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;============
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; 45
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;====================
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; Draw the background
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;====================
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;=============================
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; Draw the background_standard
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;=============================
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draw_background:
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jsr draw_background_mode7_standard ; 6
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jsr draw_background_mode7_aux ; 6
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;=============================
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; Draw the ship, standard
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;=============================
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check_over_water:
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; See if we are over water
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@ -544,6 +548,160 @@ no_left_splash:
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; 48
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draw_ship:
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lda #CONST_SHIPX ; 2
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sta XPOS ; 3
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lda SHIPY ; 3
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sta YPOS ; 3
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jsr put_sprite ; 6
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;===========================
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; Draw the background, AUX
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;===========================
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jsr draw_background_mode7_aux ; 6
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check_over_water_aux:
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no_splash_aux:
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;==============
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; Draw the ship
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;==============
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clv ; 2
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lda TURNING ; 3
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beq draw_ship_forward_aux ; 2nt/3
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bpl draw_ship_right_aux ; 2nt/3
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bmi draw_ship_left_aux ;; FIXME: optimize order ; 2nt/3
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draw_ship_forward_aux:
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lda DRAW_SPLASH ; 2
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beq no_forward_splash_aux ; 2nt/3
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; Draw Splash
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lda #>splash_forward_aux ; 2
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sta INH ; 3
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lda #<splash_forward_aux ; 2
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sta INL ; 3
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lda #(CONST_SHIPX+1) ; 2
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sta XPOS ; 3
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clc ; 2
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lda SHIPY ; 3
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adc #9 ; 2
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and #$fe ; make sure it's even ; 2
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sta YPOS ; 3
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jsr put_sprite ; 6
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;==========
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; 33
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no_forward_splash_aux:
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; Draw Shadow
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lda #>shadow_forward_aux ; 2
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sta INH ; 3
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lda #<shadow_forward_aux ; 2
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sta INL ; 3
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lda #(CONST_SHIPX+3) ; 2
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sta XPOS ; 3
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clc ; 2
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lda SPACEZ_I ; 3
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adc #31 ; 2
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and #$fe ; make sure it's even ; 2
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sta YPOS ; 3
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jsr put_sprite ; 6
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lda #>ship_forward_aux ; 2
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sta INH ; 3
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lda #<ship_forward_aux ; 2
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sta INL ; 3
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bvc draw_ship_aux ; 3
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;===========
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; 46
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draw_ship_right_aux:
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lda DRAW_SPLASH ; 3
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beq no_right_splash_aux ; 2nt/3
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; Draw Splash
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lda #>splash_right_aux ; 2
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sta INH ; 3
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lda #<splash_right_aux ; 2
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sta INL ; 3
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lda #(CONST_SHIPX+1) ; 2
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sta XPOS ; 3
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clc ; 2
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lda #36 ; 2
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sta YPOS ; 3
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jsr put_sprite ; 6
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;===========
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; 28
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no_right_splash_aux:
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; Draw Shadow
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lda #>shadow_right_aux ; 2
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sta INH ; 3
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lda #<shadow_right_aux ; 2
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sta INL ; 3
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lda #(CONST_SHIPX+3) ; 2
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sta XPOS ; 3
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clc ; 2
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lda SPACEZ_I ; 3
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adc #31 ; 2
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and #$fe ; make sure it's even ; 2
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sta YPOS ; 3
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jsr put_sprite ; 6
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lda #>ship_right_aux ; 2
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sta INH ; 3
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lda #<ship_right_aux ; 2
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sta INL ; 3
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dec TURNING ; 5
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bvc draw_ship_aux ; 3
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;==========
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; 51
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draw_ship_left_aux:
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lda DRAW_SPLASH ; 3
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beq no_left_splash_aux ; 2nt/3
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; Draw Splash
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lda #>splash_left_aux ; 2
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sta INH ; 3
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lda #<splash_left_aux ; 2
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sta INL ; 3
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lda #(CONST_SHIPX+1) ; 2
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sta XPOS ; 3
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clc ; 2
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lda #36 ; 2
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sta YPOS ; 3
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jsr put_sprite ; 6
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;===========
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; 28
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no_left_splash_aux:
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; Draw Shadow
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lda #>shadow_left_aux ; 2
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sta INH ; 3
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lda #<shadow_left_aux ; 2
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sta INL ; 3
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lda #(CONST_SHIPX+3) ; 2
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sta XPOS ; 3
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clc ; 2
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lda SPACEZ_I ; 3
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adc #31 ; 2
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and #$fe ; make sure it's even ; 2
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sta YPOS ; 3
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jsr put_sprite ; 6
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lda #>ship_left_aux ; 2
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sta INH ; 3
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lda #<ship_left_aux ; 2
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sta INL ; 3
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inc TURNING ; 5
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;==========
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; 48
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draw_ship_aux:
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lda #CONST_SHIPX ; 2
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sta XPOS ; 3
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lda SHIPY ; 3
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@ -7,32 +7,61 @@ splash_forward:
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.byte $00,$ee,$00,$00,$00,$ee,$00
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.byte $ee,$00,$00,$00,$00,$00,$ee
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splash_forward_aux:
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.byte $7,$2
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.byte $00,$ee,$00,$00,$00,$ee,$00
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.byte $ee,$00,$00,$00,$00,$00,$ee
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splash_right:
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.byte $7,$2
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.byte $00,$00,$00,$00,$00,$ee,$00
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.byte $00,$00,$00,$00,$00,$00,$ee
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splash_right_aux:
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.byte $7,$2
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.byte $00,$00,$00,$00,$00,$ee,$00
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.byte $00,$00,$00,$00,$00,$00,$ee
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splash_left:
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.byte $7,$2
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.byte $00,$ee,$00,$00,$00,$00,$00
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.byte $ee,$00,$00,$00,$00,$00,$00
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splash_left_aux:
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.byte $7,$2
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.byte $00,$ee,$00,$00,$00,$00,$00
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.byte $ee,$00,$00,$00,$00,$00,$00
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shadow_forward:
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.byte $3,$2
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.byte $00,$aa,$00
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.byte $a0,$aa,$a0
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shadow_forward_aux:
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.byte $3,$2
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.byte $00,$aa,$00
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.byte $a0,$aa,$a0
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shadow_right:
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.byte $3,$2
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.byte $a0,$00,$aa
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.byte $00,$0a,$a0
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shadow_right_aux:
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.byte $3,$2
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.byte $a0,$00,$aa
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.byte $00,$0a,$a0
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shadow_left:
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.byte $3,$2
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.byte $aa,$00,$a0
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.byte $a0,$0a,$00
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shadow_left_aux:
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.byte $3,$2
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.byte $aa,$00,$a0
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.byte $a0,$0a,$00
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ship_forward:
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.byte $9,$5
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.byte $00,$00,$00,$00,$ff,$00,$00,$00,$00
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@ -41,6 +70,15 @@ ship_forward:
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.byte $f0,$f7,$f7,$f2,$d9,$f2,$f7,$f7,$f0
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.byte $00,$00,$00,$00,$0d,$00,$00,$00,$00
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ship_forward_aux:
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.byte $9,$5
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.byte $00,$00,$00,$00,$ff,$00,$00,$00,$00
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.byte $00,$00,$00,$44,$ff,$44,$00,$00,$00
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.byte $00,$00,$b0,$1f,$81,$1f,$b0,$00,$00
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.byte $f0,$fb,$fb,$f1,$dc,$f1,$fb,$fb,$f0
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.byte $00,$00,$00,$00,$0e,$00,$00,$00,$00
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ship_right:
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.byte $9,$5
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.byte $00,$00,$00,$00,$00,$60,$60,$f0,$00
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@ -49,6 +87,14 @@ ship_right:
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.byte $00,$00,$00,$dd,$d9,$f2,$77,$00,$00
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.byte $00,$00,$00,$00,$00,$0f,$ff,$70,$00
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ship_right_aux:
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.byte $9,$5
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.byte $00,$00,$00,$00,$00,$60,$60,$f0,$00
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.byte $00,$f0,$70,$70,$f6,$f6,$6f,$66,$00
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.byte $00,$07,$ff,$2f,$12,$27,$f6,$00,$00
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.byte $00,$00,$00,$dd,$d9,$f2,$77,$00,$00
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.byte $00,$00,$00,$00,$00,$0f,$ff,$70,$00
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ship_left:
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.byte $9,$5
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.byte $00,$f0,$60,$60,$00,$00,$00,$00,$00
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@ -57,4 +103,10 @@ ship_left:
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.byte $00,$00,$77,$f2,$d9,$dd,$00,$00,$00
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.byte $00,$70,$ff,$0f,$00,$00,$00,$00,$00
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ship_left_aux:
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.byte $9,$5
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.byte $00,$f0,$60,$60,$00,$00,$00,$00,$00
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.byte $00,$66,$6f,$f6,$f6,$70,$70,$f0,$00
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.byte $00,$00,$f6,$27,$12,$2f,$ff,$07,$00
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.byte $00,$00,$77,$f2,$d9,$dd,$00,$00,$00
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.byte $00,$70,$ff,$0f,$00,$00,$00,$00,$00
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@ -376,7 +376,8 @@ put_sprite_loop:
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adc XPOS ; add in xpos ; 3
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sta OUTL ; store out low byte of addy ; 3
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lda gr_offsets+1,Y ; look up high byte ; 5
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adc DRAW_PAGE ; ; 3
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adc #0
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; adc DRAW_PAGE ; ; 3
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sta OUTH ; and store it out ; 3
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ldy TEMP ; restore sprite pointer ; 3
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