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tfv: optimize attack a bit

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This commit is contained in:
Vince Weaver 2021-01-18 15:35:12 -05:00
parent 26caa77891
commit d8d2afb366
2 changed files with 35 additions and 29 deletions
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41
games/tfv/tfv_battle_attack.s
View File

@ -5,6 +5,8 @@
attack:
lda #34
sta HERO_X
lda #20
sta HERO_Y
lda #$00
sta DAMAGE_VAL_HI
@ -20,45 +22,24 @@ attack_loop:
; draw hero
lda #20
lda HERO_Y
sta YPOS
lda HERO_X
sta XPOS
; walk/run alternate frames
lsr
bcc attack_draw_walk
attack_draw_stand:
lda #<tfv_stand_left_sprite
sta INL
lda #>tfv_stand_left_sprite
jmp attack_actually_draw
jsr draw_hero_and_sword
jmp attack_done_draw
attack_draw_walk:
lda #<tfv_walk_left_sprite
sta INL
lda #>tfv_walk_left_sprite
jsr draw_hero_walk_and_sword
attack_actually_draw:
sta INH
jsr put_sprite_crop
;=========================
; draw sword
lda HERO_X
sec
sbc #5
sta XPOS
; ypos already 20?
lda #<tfv_led_sword_sprite
sta INL
lda #>tfv_led_sword_sprite
sta INH
jsr put_sprite_crop
attack_done_draw:
;=========================
@ -85,6 +66,10 @@ attack_actually_draw:
cmp #10 ; repeat until 10
bne attack_loop
;======================
; attack done
@ -115,5 +100,3 @@ attack_actually_draw:
sta HERO_X
rts

23
games/tfv/tfv_battle_draw_hero.s
View File

@ -58,6 +58,28 @@ draw_hero_down:
jmp put_sprite_crop ; tail call
;============================
; draw hero walk and sword
;============================
; draws at HERO_X,HERO_Y
draw_hero_walk_and_sword:
lda HERO_X
sta XPOS
lda HERO_Y
sta YPOS
lda #<tfv_walk_left_sprite
sta INL
lda #>tfv_walk_left_sprite
sta INH
jsr put_sprite_crop
jmp draw_hero_sword
;============================
; draw hero and sword
;============================
@ -77,6 +99,7 @@ draw_hero_and_sword:
jsr put_sprite_crop
draw_hero_sword:
; grsim_put_sprite(tfv_led_sword,ax-5,20);
lda HERO_X
sec