framework for animation
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hest-life.mu
31
hest-life.mu
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@ -1,9 +1,19 @@
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# Conway's Game of Life in a Hestified way
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# https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life
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# https://ivanish.ca/hest-podcast
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#
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# To build:
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# $ ./translate life.mu
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# To run:
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# $ qemu-system-i386 -enable-kvm code.img
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fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) {
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var env-storage: environment
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var env/esi: (addr environment) <- address env-storage
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initialize-environment env
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{
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render screen, env
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pause env
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edit keyboard, env
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loop
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}
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@ -11,6 +21,7 @@ fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk)
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type environment {
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zoom: int
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tick: int
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}
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fn render screen: (addr screen), _self: (addr environment) {
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@ -60,13 +71,29 @@ fn render screen: (addr screen), _self: (addr environment) {
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draw-rect screen, 0xd0/xmin, 0x170/ymin, 0xf0/xmax, 0x190/ymax, 0x1a/dead
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draw-rect screen, 0x1f0/xmin, 0x290/ymin, 0x210/xmax, 0x2b0/ymax, 0xf/alive
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draw-rect screen, 0x310/xmin, 0x170/ymin, 0x330/xmax, 0x190/ymax, 0xf/alive
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# clock
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var tick/eax: (addr int) <- get self, tick
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set-cursor-position screen, 0x78/x, 0/y
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draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen screen, *tick, 7/fg 0/bg
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}
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fn edit keyboard: (addr keyboard), _self: (addr environment) {
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var self/esi: (addr environment) <- copy _self
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var key/eax: byte <- read-key keyboard
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compare key, 0
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loop-if-=
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# TODO: hotkeys
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var dest/eax: (addr int) <- get self, tick
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increment *dest
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}
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fn pause _self: (addr environment) {
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var self/esi: (addr environment) <- copy _self
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var i/ecx: int <- copy 0
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{
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compare i, 0x10000000
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break-if->=
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i <- increment
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loop
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}
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}
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fn initialize-environment _self: (addr environment) {
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