17 lines
714 B
Forth
17 lines
714 B
Forth
# Draw a single line of ASCII text using the built-in font (GNU unifont)
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# Also demonstrates bounds-checking _before_ drawing.
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#
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# To build a disk image:
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# ./translate ex5.mu # emits code.img
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# To run:
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# qemu-system-i386 code.img
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# Or:
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# bochs -f bochsrc # bochsrc loads code.img
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#
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# Expected output: text in green near the top-left corner of screen
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fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) {
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var dummy/eax: int <- draw-text-rightward screen, "hello from baremetal Mu!", 0x10/x, 0x400/xmax, 0x10/y, 0xa/fg, 0/bg
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dummy <- draw-text-rightward screen, "you shouldn't see this", 0x10/x, 0xa0/xmax, 0x30/y, 3/fg, 0/bg # xmax is too narrow
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}
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