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49 lines
1.1 KiB
Lua
49 lines
1.1 KiB
Lua
%import graphics
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%import test_stack
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; Note: this program is compatible with C64 and CX16.
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main {
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sub start() {
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graphics.enable_bitmap_mode()
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draw_lines()
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draw_circles()
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draw_rects()
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; graphics.disable_bitmap_mode()
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; test_stack.test()
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repeat {
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}
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}
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sub draw_rects() {
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graphics.rect(220,10,80,10)
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graphics.rect(20,180,80,10)
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graphics.fillrect(220,30,80,10)
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graphics.fillrect(20,160,80,10)
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}
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sub draw_circles() {
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ubyte xx
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for xx in 3 to 7 {
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graphics.circle(xx*50-100, 10+xx*16, (xx+6)*4)
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graphics.disc(xx*50-100, 10+xx*16, (xx+6)*2)
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}
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}
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sub draw_lines() {
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ubyte i
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for i in 0 to 255 step 4 {
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uword x1 = ((graphics.WIDTH-256)/2 as uword) + sin8u(i)
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uword y1 = (graphics.HEIGHT-128)/2 + cos8u(i)/2
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uword x2 = ((graphics.WIDTH-64)/2 as uword) + sin8u(i)/4
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uword y2 = (graphics.HEIGHT-64)/2 + cos8u(i)/4
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graphics.line(x1, lsb(y1), x2, lsb(y2))
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}
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}
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}
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