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21 lines
431 B
Lua
21 lines
431 B
Lua
%import textio
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%import palette
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%import syslib
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%zeropage basicsafe
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main {
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sub start() {
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ubyte lower2_x_bits=1
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ubyte cbits4
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ubyte operand
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cbits4 &= operand
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cbits4 |= operand
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;cbits4 &= gfx2.plot.mask4c[lower2_x_bits] ; TODO why lda..and instead of and mask,y?
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;cbits4 |= colorbits[lower2_x_bits] ; TODO why lda..ora instead of ora mask,y?
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}
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}
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