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hestified life: initial commit 

https://ivanish.ca/hest-podcast
This commit is contained in:
Kartik K. Agaram 2021-05-16 11:46:24 -07:00
parent b64ef46c00
commit 9344597dac
2 changed files with 257 additions and 0 deletions
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11
507line.mu
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@ -82,3 +82,14 @@ fn draw-vertical-line screen: (addr screen), x: int, y0: int, y1: int, color: in
loop
}
}
fn draw-rect screen: (addr screen), xmin: int, ymin: int, xmax: int, ymax: int, color: int {
var y/eax: int <- copy ymin
{
compare y, ymax
break-if->=
draw-horizontal-line screen, y, xmin, xmax, color
y <- increment
loop
}
}

246
hest-life.mu Normal file
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@ -0,0 +1,246 @@
fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) {
var env-storage: environment
var env/esi: (addr environment) <- address env-storage
initialize-environment env, 0x80 0x80, 0x200 0x180, 0x380 0x280
{
render screen, env
edit keyboard, env
loop
}
}
type environment {
p0: (handle point)
p1: (handle point)
p2: (handle point)
cursor: (handle point) # one of p0, p1 or p2
}
type point {
x: int
y: int
}
fn render screen: (addr screen), _self: (addr environment) {
clear-screen screen
var self/esi: (addr environment) <- copy _self
# cell border
draw-vertical-line screen, 0xc0/x, 0/ymin, 0x300/ymax, 0x16/color=dark-grey
draw-vertical-line screen, 0x340/x, 0/ymin, 0x300/ymax, 0x16/color=dark-grey
draw-horizontal-line screen, 0x40/y, 0/xmin, 0x400/xmax, 0x16/color=dark-grey
draw-horizontal-line screen, 0x2c0/y, 0/xmin, 0x400/xmax, 0x16/color=dark-grey
# neighboring inputs, corners
draw-rect screen, 0x90/xmin, 0x10/ymin, 0xb0/xmax, 0x30/ymax, 0xf/alive
draw-rect screen, 0x350/xmin, 0x10/ymin, 0x370/xmax, 0x30/ymax, 0x1a/dead
draw-rect screen, 0x90/xmin, 0x2d0/ymin, 0xb0/xmax, 0x2f0/ymax, 0xf/alive
draw-rect screen, 0x350/xmin, 0x2d0/ymin, 0x370/xmax, 0x2f0/ymax, 0xf/alive
# neighboring inputs, edges
draw-rect screen, 0x1f0/xmin, 0x10/ymin, 0x210/xmax, 0x30/ymax, 0xf/alive
draw-rect screen, 0x90/xmin, 0x170/ymin, 0xb0/xmax, 0x190/ymax, 0x1a/dead
draw-rect screen, 0x1f0/xmin, 0x2d0/ymin, 0x210/xmax, 0x2f0/ymax, 0xf/alive
draw-rect screen, 0x350/xmin, 0x170/ymin, 0x370/xmax, 0x190/ymax, 0xf/alive
# sum node
draw-rect screen, 0x170/xmin, 0x150/ymin, 0x190/xmax, 0x170/ymax, 0x40/color
# conveyers from neighboring inputs to sum node
draw-monotonic-bezier screen, 0xa0/x0 0x180/y0, 0x110/x1 0x160/y1, 0x180/x2 0x160/y2, 4/color
draw-monotonic-bezier screen, 0x200/x0 0x20/y0, 0x180/x1 0x90/y1, 0x180/x2 0x160/y2, 4/color
}
fn bezier screen: (addr screen), _p0: (addr point), _p1: (addr point), _p2: (addr point), color: int {
var p0/esi: (addr point) <- copy _p0
var x0/ecx: (addr int) <- get p0, x
var y0/edx: (addr int) <- get p0, y
var p1/esi: (addr point) <- copy _p1
var x1/ebx: (addr int) <- get p1, x
var y1/eax: (addr int) <- get p1, y
var p2/esi: (addr point) <- copy _p2
var x2/edi: (addr int) <- get p2, x
var y2/esi: (addr int) <- get p2, y
draw-monotonic-bezier screen, *x0 *y0, *x1 *y1, *x2 *y2, color
}
fn cursor screen: (addr screen), _p: (addr point), side: int, color: int {
var half-side/eax: int <- copy side
half-side <- shift-right 1
var p/esi: (addr point) <- copy _p
var x-a/ecx: (addr int) <- get p, x
var left-x/ecx: int <- copy *x-a
left-x <- subtract half-side
var y-a/edx: (addr int) <- get p, y
var top-y/edx: int <- copy *y-a
top-y <- subtract half-side
var max/eax: int <- copy left-x
max <- add side
draw-horizontal-line screen, top-y, left-x, max, color
max <- copy top-y
max <- add side
draw-vertical-line screen, left-x, top-y, max, color
var right-x/ebx: int <- copy left-x
right-x <- add side
draw-vertical-line screen, right-x, top-y, max, color
var bottom-y/edx: int <- copy top-y
bottom-y <- add side
draw-horizontal-line screen, bottom-y, left-x, right-x, color
}
fn edit keyboard: (addr keyboard), _self: (addr environment) {
var self/esi: (addr environment) <- copy _self
var key/eax: byte <- read-key keyboard
compare key, 0
loop-if-=
{
compare key, 9/tab
break-if-!=
toggle-cursor self
return
}
{
compare key, 0x80/left-arrow
break-if-!=
cursor-left self
return
}
{
compare key, 0x83/right-arrow
break-if-!=
cursor-right self
return
}
{
compare key, 0x81/down-arrow
break-if-!=
cursor-down self
return
}
{
compare key, 0x82/up-arrow
break-if-!=
cursor-up self
return
}
}
fn toggle-cursor _self: (addr environment) {
var self/esi: (addr environment) <- copy _self
var cursor-ah/edi: (addr handle point) <- get self, cursor
var p0-ah/ecx: (addr handle point) <- get self, p0
var p1-ah/edx: (addr handle point) <- get self, p1
var p2-ah/ebx: (addr handle point) <- get self, p2
{
var p0?/eax: boolean <- handle-equal? *p0-ah, *cursor-ah
compare p0?, 0/false
break-if-=
copy-object p1-ah, cursor-ah
return
}
{
var p1?/eax: boolean <- handle-equal? *p1-ah, *cursor-ah
compare p1?, 0/false
break-if-=
copy-object p2-ah, cursor-ah
return
}
{
var p2?/eax: boolean <- handle-equal? *p2-ah, *cursor-ah
compare p2?, 0/false
break-if-=
copy-object p0-ah, cursor-ah
return
}
abort "lost cursor"
}
fn cursor-left _self: (addr environment) {
var self/esi: (addr environment) <- copy _self
var cursor-ah/esi: (addr handle point) <- get self, cursor
var cursor/eax: (addr point) <- lookup *cursor-ah
var cursor-x/eax: (addr int) <- get cursor, x
compare *cursor-x, 0x20
{
break-if-<
subtract-from *cursor-x, 0x20
}
}
fn cursor-right _self: (addr environment) {
var self/esi: (addr environment) <- copy _self
var cursor-ah/esi: (addr handle point) <- get self, cursor
var cursor/eax: (addr point) <- lookup *cursor-ah
var cursor-x/eax: (addr int) <- get cursor, x
compare *cursor-x, 0x3f0
{
break-if->
add-to *cursor-x, 0x20
}
}
fn cursor-up _self: (addr environment) {
var self/esi: (addr environment) <- copy _self
var cursor-ah/esi: (addr handle point) <- get self, cursor
var cursor/eax: (addr point) <- lookup *cursor-ah
var cursor-y/eax: (addr int) <- get cursor, y
compare *cursor-y, 0x20
{
break-if-<
subtract-from *cursor-y, 0x20
}
}
fn cursor-down _self: (addr environment) {
var self/esi: (addr environment) <- copy _self
var cursor-ah/esi: (addr handle point) <- get self, cursor
var cursor/eax: (addr point) <- lookup *cursor-ah
var cursor-y/eax: (addr int) <- get cursor, y
compare *cursor-y, 0x2f0
{
break-if->
add-to *cursor-y, 0x20
}
}
fn line screen: (addr screen), _p0: (addr point), _p1: (addr point), color: int {
var p0/esi: (addr point) <- copy _p0
var x0/ecx: (addr int) <- get p0, x
var y0/edx: (addr int) <- get p0, y
var p1/esi: (addr point) <- copy _p1
var x1/ebx: (addr int) <- get p1, x
var y1/eax: (addr int) <- get p1, y
draw-line screen, *x0 *y0, *x1 *y1, color
}
fn disc screen: (addr screen), _p: (addr point), radius: int, color: int, border-color: int {
var p/esi: (addr point) <- copy _p
var x/ecx: (addr int) <- get p, x
var y/edx: (addr int) <- get p, y
draw-disc screen, *x *y, radius, color, border-color
}
fn initialize-environment _self: (addr environment), x0: int, y0: int, x1: int, y1: int, x2: int, y2: int {
var self/esi: (addr environment) <- copy _self
var p0-ah/eax: (addr handle point) <- get self, p0
allocate p0-ah
var p0/eax: (addr point) <- lookup *p0-ah
initialize-point p0, x0 y0
var p1-ah/eax: (addr handle point) <- get self, p1
allocate p1-ah
var p1/eax: (addr point) <- lookup *p1-ah
initialize-point p1, x1 y1
var p2-ah/eax: (addr handle point) <- get self, p2
allocate p2-ah
var p2/eax: (addr point) <- lookup *p2-ah
initialize-point p2, x2 y2
# cursor initially at p0
var cursor-ah/edi: (addr handle point) <- get self, cursor
var src-ah/esi: (addr handle point) <- get self, p0
copy-object src-ah, cursor-ah
}
fn initialize-point _p: (addr point), x: int, y: int {
var p/esi: (addr point) <- copy _p
var dest/eax: (addr int) <- get p, x
var src/ecx: int <- copy x
copy-to *dest, src
dest <- get p, y
src <- copy y
copy-to *dest, src
}