41 lines
1.2 KiB
Forth
41 lines
1.2 KiB
Forth
# Demo of mouse support.
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#
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# To build a disk image:
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# ./translate apps/ex10.mu # emits code.img
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# To run:
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# qemu-system-i386 code.img
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#
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# Expected output:
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# Values between -256 and +255 as you move the mouse over the window.
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# You might need to click on the window once.
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fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) {
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# repeatedly print out mouse driver results if non-zero
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$main:event-loop: {
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var dx/eax: int <- copy 0
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var dy/ecx: int <- copy 0
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dx, dy <- read-mouse-event
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{
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compare dx, 0
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break-if-!=
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compare dy, 0
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break-if-!=
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loop $main:event-loop
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}
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{
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var dummy1/eax: int <- copy 0
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var dummy2/ecx: int <- copy 0
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dummy1, dummy2 <- draw-text-wrapping-right-then-down-over-full-screen screen, " ", 0/x, 0x10/y, 0x31/fg, 0/bg
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}
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{
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var dummy/ecx: int <- copy 0
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dx, dummy <- draw-int32-decimal-wrapping-right-then-down-over-full-screen screen, dx, 0/x, 0x10/y, 0x31/fg, 0/bg
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}
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{
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var dummy/eax: int <- copy 0
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dummy, dy <- draw-int32-decimal-wrapping-right-then-down-over-full-screen screen, dy, 5/x, 0x10/y, 0x31/fg, 0/bg
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}
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loop
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}
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}
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