131 lines
2.2 KiB
ArmAsm
131 lines
2.2 KiB
ArmAsm
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;=========================
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; draw keen
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;=========================
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draw_keen:
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sec
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lda KEEN_TILEX
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sbc TILEMAP_X
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asl
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clc
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adc KEEN_X
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sta XPOS
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sec
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lda KEEN_TILEY
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sbc TILEMAP_Y
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asl
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asl
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clc
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adc KEEN_Y
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sta YPOS
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lda KEEN_DIRECTION
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bmi keen_facing_left
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;=========================
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; facing right
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keen_facing_right:
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check_falling_right:
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lda KEEN_FALLING
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beq check_jumping_right
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draw_falling_right:
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ldx #<keen_sprite_falling_right
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lda #>keen_sprite_falling_right
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jmp actually_draw_keen
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check_jumping_right:
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lda KEEN_JUMPING
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beq check_shooting_right
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draw_jumping_right:
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ldx #<keen_sprite_jumping_right
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lda #>keen_sprite_jumping_right
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jmp actually_draw_keen
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check_shooting_right:
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lda KEEN_SHOOTING
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beq check_walking_right
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draw_shooting_right:
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ldx #<keen_sprite_shooting_right
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lda #>keen_sprite_shooting_right
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;dec KEEN_SHOOTING
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jmp actually_draw_keen
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check_walking_right:
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lda KEEN_WALKING
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beq draw_standing_right
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draw_walking_right:
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lda FRAMEL
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and #$02
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beq draw_standing_right
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ldx #<keen_sprite_walking_right
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lda #>keen_sprite_walking_right
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jmp actually_draw_keen
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draw_standing_right:
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ldx #<keen_sprite_stand_right
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lda #>keen_sprite_stand_right
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jmp actually_draw_keen
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;==================
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; facing left
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keen_facing_left:
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check_falling_left:
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lda KEEN_FALLING
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beq check_jumping_left
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draw_falling_left:
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ldx #<keen_sprite_falling_left
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lda #>keen_sprite_falling_left
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jmp actually_draw_keen
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check_jumping_left:
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lda KEEN_JUMPING
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beq check_shooting_left
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draw_jumping_left:
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ldx #<keen_sprite_jumping_left
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lda #>keen_sprite_jumping_left
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jmp actually_draw_keen
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check_shooting_left:
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lda KEEN_SHOOTING
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beq check_walking_left
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draw_shooting_left:
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ldx #<keen_sprite_shooting_left
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lda #>keen_sprite_shooting_left
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; dec KEEN_SHOOTING
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jmp actually_draw_keen
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check_walking_left:
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lda KEEN_WALKING
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beq draw_standing_left
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draw_walking_left:
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lda FRAMEL
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and #$02
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beq draw_standing_left
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ldx #<keen_sprite_walking_left
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lda #>keen_sprite_walking_left
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jmp actually_draw_keen
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draw_standing_left:
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ldx #<keen_sprite_stand_left
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lda #>keen_sprite_stand_left
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jmp actually_draw_keen
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;====================
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; actually draw
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actually_draw_keen:
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stx INL
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sta INH
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jsr put_sprite_crop
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rts
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