mirror of https://github.com/KarolS/millfork.git
43 lines
768 B
Plaintext
43 lines
768 B
Plaintext
// idea @ilmenit
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// https://demozoo.org/productions/280623
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// for 8bit AtariXL, OS Rev 2
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alias prev_x = os_OLDCOL.lo
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alias cursor_x = os_COLCRS.lo
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alias prev_y = os_OLDROW
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alias cursor_y = os_ROWCRS
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alias color = os_ATACHR
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byte i
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array(byte) color_height = [
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170,150,144,144,122,122,110,110,94,94,86,86,82,80
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]
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asm void openmode(byte register(a) m) @ $ef9c extern
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asm void drawto() @ $f9c2 extern
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void main(){
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openmode(9)
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os_COLOR4 = $b0
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for i,0,to,79 {
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cursor_x = i
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prev_x = i
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prev_y = 1
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for color,13,downto,0 {
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cursor_y = color_height[color]
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if pokey_random < $80 {
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color_height[color] -= 1
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}
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if pokey_random < $80 {
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color_height[color] += 1
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}
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drawto()
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}
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}
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while true {}
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}
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