diff --git a/src/plasl/2025/day8/input b/src/plasl/2025/day8/input
new file mode 100644
index 0000000..dfd4448
--- /dev/null
+++ b/src/plasl/2025/day8/input
@@ -0,0 +1,1001 @@
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diff --git a/src/plasl/2025/day8/input.s b/src/plasl/2025/day8/input.s
new file mode 100644
index 0000000..eea942b
--- /dev/null
+++ b/src/plasl/2025/day8/input.s
@@ -0,0 +1,1001 @@
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diff --git a/src/plasl/2025/day8/input.t b/src/plasl/2025/day8/input.t
new file mode 100644
index 0000000..458322a
--- /dev/null
+++ b/src/plasl/2025/day8/input.t
@@ -0,0 +1,21 @@
+162,817,812
+57,618,57
+906,360,560
+592,479,940
+352,342,300
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+117,168,530
+805,96,715
+346,949,466
+970,615,88
+941,993,340
+862,61,35
+984,92,344
+425,690,689
+
diff --git a/src/plasl/2025/day8/part1.psl b/src/plasl/2025/day8/part1.psl
new file mode 100644
index 0000000..4056972
--- /dev/null
+++ b/src/plasl/2025/day8/part1.psl
@@ -0,0 +1,337 @@
+
+i64 write(i32, ptr i8, u64) {
+    `scsbsa`
+    syscall3(i64(1), `la` as i64, `lb` as i64, `lc` as i64)
+}
+
+i64 read(i32, ptr i8, u64) {
+    `scsbsa`
+    syscall3(i64(0), `la` as i64, `lb` as i64, `lc` as i64)
+}
+
+i32 open(ptr i8, i32, i32) { 
+    `scsbsa`
+    syscall3(i64(2), `la` as i64, `lb` as i64, `lc` as i64)
+    as i32
+}
+
+ptr i8 mmap(ptr i8, u64, i32, i32, i32, i64) {
+    `sfsesdscsbsa`
+    syscall6(i64(9), `la` as i64, `lb` as i64, `lc` as i64, `ld` as i64, `le` as i64, `lf`)
+    as ptr i8
+}
+
+void exit(i32) {
+    as i64 i64(231) rev
+    syscall1 trash
+}
+
+void putc(i8) {
+    array i8[1] `dstr` store 
+    write(1, `lt`, u64(1)) trash
+}
+
+u64 strlen(ptr i8) {
+    dup while(dup load i8(0) !=) { 1+ } `r-`
+}
+
+void print(ptr i8) {
+    1 rev dup strlen write trash
+}
+
+void println(ptr i8) {
+    print i8(10) putc
+}
+
+void printnum(i32) {
+ 
+    if (dup 0 ==) {
+        putc('0')
+    } else if (dup 0 <) {
+        `0r-` '-' putc
+    }
+
+    array i8[11] 10+ dup i8(0) store -1+ `sb`
+
+    while (dup 0 !=) {
+        10 divmod 48+ as i8 
+        `lb` rev store 
+        `lb` -1+ `sb`
+    } trash
+    print(`lb`1+)
+
+}
+
+void printnum64(u64) {
+ 
+    if (dup u64(0) ==) {
+        putc('0')
+    } 
+
+    array i8[22] 21+ dup i8(0) store -1+ `sb`
+
+    while (dup u64(0) !=) {
+        u64(10) divmod u64(48)+ as i8 
+        `lb` rev store 
+        `lb` -1+ `sb`
+    } trash
+
+    print(`lb`1+)
+
+}
+
+i32 atoi(ptr i8) {
+    set string
+    0
+    while (get string load '0' >= get string load '9' <= &) {
+        10* get string load '0'- as i32 +
+        get string 1+ set string
+    }
+}
+
+u64 atol(ptr i8) {
+    set string
+    u64(0)
+    while (get string load '0' >= get string load '9' <= &) {
+        u64(10)* get string load '0'- as u64 +
+        get string 1+ set string
+    }
+}
+
+
+i32 abs(i32) {
+    if (dup 0 <) {`0r-`}
+}
+
+ptr i8 memset(ptr i8, i32, u64) {
+    `sn` as i8 `sc`
+    
+    u64(0) `si`
+    while (`liln` < ) {
+        `1+dlc` store
+        inc(i)
+    }
+}
+
+void heap_add(u64, i32, i32, ptr u64, ptr i32, ptr i32) {
+    `sysx` set heap set vy set vx set value
+    heap[0] load set size
+ 
+    heap[get size] get value store 
+    y[get size] get vy store 
+    x[get size] get vx store 
+
+    get size as i32 set index
+    # swap while not heaped
+    while(get index 0 > heap[get index] load heap[get index 2/] load < &) {
+
+        heap[get index] set t1 heap[get index 2/] set t2 
+        get t1 load get t2 load get t1 rev store get t2 rev store
+
+        x[get index] `ds.` load x[get index 2/] `ds,` load `l.r` store `l,r` store 
+        y[get index] `ds.` load y[get index 2/] `ds,` load `l.r` store `l,r` store 
+
+        get index 2/ set index
+    }
+
+    heap[0] dup load u64(1)+ store
+
+}
+
+void heap_pop(ptr u64, ptr i32, ptr i32) {
+    `sysx` set heap
+
+    heap[0] dup load u64(1) - dup as i32 set size store
+
+    heap[1] heap[get size 1-] load store # set the heap[0] as last heap element
+    y[1] y[get size 1-] load store
+    x[1] x[get size 1-] load store 
+
+    u1(1) set cont
+    `1si`
+
+    # down heap
+    while (get cont) {
+
+        `li` set nexti
+        
+        if (`li2*` get size < heap[get nexti] load heap[`li2*`] load > &) {
+            `li2*` set nexti
+        }
+        if (`li2*1+` get size < heap[get nexti] load heap[`li2*1+`] load > &) {
+            `li2*1+` set nexti
+        }
+
+        if (`li` get nexti !=) {
+
+            heap[get i] `ds.` load heap[get nexti] `ds,` load `l.r` store `l,r` store 
+            x[get i] `ds.` load x[get nexti] `ds,` load `l.r` store `l,r` store 
+            y[get i] `ds.` load y[get nexti] `ds,` load `l.r` store `l,r` store 
+        
+            get nexti set i
+        } else {
+            u1(0) set cont
+        }
+
+    }
+
+}
+
+
+void _start() {
+     
+    open("input", 0, 0) set file
+    array i8[65535] set buffer
+    get buffer i8(48) store
+    read(get file, get buffer, u64(65535)) as i32 set size
+    #get buffer get size+ i8(10) store
+ 
+    array i32[1024] set px
+    array i32[1024] set py 
+    array i32[1024] set pz
+
+    u64(0) `so` 
+
+    `0si0sc`
+    while (`li` get size 1- < ) {
+    
+        atoi(buffer[`li`]) px[`lc`] `r` store
+        while (buffer[`li`] load ',' !=) {inc(i)} inc(i)
+
+        atoi(buffer[`li`]) py[`lc`] `r` store
+        while (buffer[`li`] load ',' !=) {inc(i)} inc(i)
+        
+        atoi(buffer[`li`]) pz[`lc`] `r` store
+        while (buffer[`li`] load i8(10) !=) {inc(i)} inc(i)
+
+        inc(c)
+    }
+
+
+    pz[0] load py[0] load px[0] load
+    printnum ',' putc printnum ',' putc printnum i8(10) putc
+    println("distance calculation...")
+    
+    mmap(u64(0) as ptr i8, u64(2048) u64(4096) *, 2 1|, 32 2|, 0, i64(0)) as ptr u64 set dist
+
+    dist[524800] as ptr i32 set dist_p1
+    dist_p1[524800] set dist_p2
+
+    dist[0] u64(1) store
+
+    `0si`
+    while (`lilc` < ) {
+        `li1+sj`
+        while (`ljlc` <) {
+            #`liljr` printnum ',' putc printnum i8(10) putc
+
+            heap_add(
+                abs(px[`li`] load px[`lj`] load -) as u64 `d*` 
+                abs(py[`li`] load py[`lj`] load -) as u64 `d*` +
+                abs(pz[`li`] load pz[`lj`] load -) as u64 `d*` +,
+                get i, get j
+                get dist, get dist_p1, get dist_p2
+            )
+
+            inc(j)
+        }
+        inc(i)
+    }
+
+
+    println("chain joining...")
+    
+    array i32[1024] set links
+    memset(get links as ptr i8, 0, 4 1024* as u64) trash
+    array i32[1024] set linkcount
+    memset(get linkcount as ptr i8, 0, 4 1024* as u64) trash
+    0 set numlinks
+
+    `0si`
+    while (`li` 1000 <) {
+        #dist[0] load printnum64 ' ' putc 
+        #dist[1] load printnum64 ',' putc
+        #dist_p1[1] load printnum ',' putc
+        #dist_p2[1] load printnum i8(10) putc
+
+        dist_p1[1] load set p1 dist_p2[1] load set p2
+
+        if (links[get p1] load 0 == links[get p2] load 0 == &) {
+            # create a new link between these unlinked posts
+            inc(numlinks)
+            links[get p1] get numlinks store
+            links[get p2] get numlinks store
+
+            linkcount[get numlinks] dup load 2+ store
+
+        } else if (links[get p1] load 0 != links[get p2] load 0 == &) {
+            # link p2 to p1's link
+            links[get p2] links[get p1] load store
+            linkcount[links[get p1] load] dup load 1+ store
+        } else if (links[get p1] load 0 == links[get p2] load 0 != &) {
+            # link p1 to p2's link
+            links[get p1] links[get p2] load store
+            linkcount[links[get p2] load] dup load 1+ store
+        } else if (links[get p1] load links[get p2] load !=){
+            # big annoying link
+
+            links[get p1] load set into
+            links[get p2] load set from
+
+        
+            linkcount[get into] dup load linkcount[get from] load + store
+            linkcount[get from] 0 store
+
+            `0sj`
+            while (`ljlc`<) {
+                if(links[`lj`] load get from ==) {
+                    links[`lj`] get into store
+                }
+                inc(j)
+            }
+        }
+
+
+        heap_pop(get dist, get dist_p1, get dist_p2)
+        inc(i)
+    }
+
+    println("finding largest...")
+
+    array i32[3] set biggest
+    memset(get biggest as ptr i8, 0, 4 3* as u64) trash
+
+    `0si`
+    while (`li` get numlinks 1+<) { 
+
+        `0sj`
+        
+        linkcount[`li`] load set ccount
+
+        while (`lj` 3 < ) {
+            if (biggest[`lj`] load get ccount <) {
+                get ccount biggest[`lj`] dup load set ccount rev store
+            }
+            inc(j)
+        }
+        inc(i)
+    }
+
+    
+    `0si`
+    1
+    while (`li` 3 <) {
+        printnum(biggest[`li`] load) i8(10) putc
+        biggest[`li`] load *
+        inc(i)
+    }
+
+    println("answer:")
+    printnum64(as u64)
+    
+    exit(0)
+}
+
+void main() {
+    _start
+}
diff --git a/src/plasl/2025/day8/part2.psl b/src/plasl/2025/day8/part2.psl
new file mode 100644
index 0000000..b92fcfb
--- /dev/null
+++ b/src/plasl/2025/day8/part2.psl
@@ -0,0 +1,375 @@
+
+i64 write(i32, ptr i8, u64) {
+    `scsbsa`
+    syscall3(i64(1), `la` as i64, `lb` as i64, `lc` as i64)
+}
+
+i64 read(i32, ptr i8, u64) {
+    `scsbsa`
+    syscall3(i64(0), `la` as i64, `lb` as i64, `lc` as i64)
+}
+
+i32 open(ptr i8, i32, i32) { 
+    `scsbsa`
+    syscall3(i64(2), `la` as i64, `lb` as i64, `lc` as i64)
+    as i32
+}
+
+ptr i8 mmap(ptr i8, u64, i32, i32, i32, i64) {
+    `sfsesdscsbsa`
+    syscall6(i64(9), `la` as i64, `lb` as i64, `lc` as i64, `ld` as i64, `le` as i64, `lf`)
+    as ptr i8
+}
+
+void exit(i32) {
+    as i64 i64(231) rev
+    syscall1 trash
+}
+
+void putc(i8) {
+    array i8[1] `dstr` store 
+    write(1, `lt`, u64(1)) trash
+}
+
+u64 strlen(ptr i8) {
+    dup while(dup load i8(0) !=) { 1+ } `r-`
+}
+
+void print(ptr i8) {
+    1 rev dup strlen write trash
+}
+
+void println(ptr i8) {
+    print i8(10) putc
+}
+
+void printnum(i32) {
+ 
+    if (dup 0 ==) {
+        putc('0')
+    } else if (dup 0 <) {
+        `0r-` '-' putc
+    }
+
+    array i8[11] 10+ dup i8(0) store -1+ `sb`
+
+    while (dup 0 !=) {
+        10 divmod 48+ as i8 
+        `lb` rev store 
+        `lb` -1+ `sb`
+    } trash
+    print(`lb`1+)
+
+}
+
+void printnum64(u64) {
+ 
+    if (dup u64(0) ==) {
+        putc('0')
+    } 
+
+    array i8[22] 21+ dup i8(0) store -1+ `sb`
+
+    while (dup u64(0) !=) {
+        u64(10) divmod u64(48)+ as i8 
+        `lb` rev store 
+        `lb` -1+ `sb`
+    } trash
+
+    print(`lb`1+)
+
+}
+
+i32 atoi(ptr i8) {
+    set string
+    0
+    while (get string load '0' >= get string load '9' <= &) {
+        10* get string load '0'- as i32 +
+        get string 1+ set string
+    }
+}
+
+u64 atol(ptr i8) {
+    set string
+    u64(0)
+    while (get string load '0' >= get string load '9' <= &) {
+        u64(10)* get string load '0'- as u64 +
+        get string 1+ set string
+    }
+}
+
+
+i32 abs(i32) {
+    if (dup 0 <) {`0r-`}
+}
+
+ptr i8 memset(ptr i8, i32, u64) {
+    `sn` as i8 `sc`
+    
+    u64(0) `si`
+    while (`liln` < ) {
+        `1+dlc` store
+        inc(i)
+    }
+}
+
+void heap_add(u64, i32, i32, ptr u64, ptr i32, ptr i32) {
+    `sysx` set heap set vy set vx set value
+    heap[0] load set size
+ 
+    heap[get size] get value store 
+    y[get size] get vy store 
+    x[get size] get vx store 
+
+    get size as i32 set index
+    #printnum(get index) '.' putc printnum(get index 2/) i8(10) putc
+    # swap while not heaped
+    while(
+        get index 2/ set parent 
+        get index 1 > heap[get index] load heap[get parent] load < &
+    ) {
+
+        #printnum(get index) ',' putc printnum(get parent) i8(10) putc
+        
+
+        heap[get index] `ds.` load heap[get parent] `ds,` load `l.r` store `l,r` store 
+        x[get index] `ds.` load x[get parent] `ds,` load `l.r` store `l,r` store 
+        y[get index] `ds.` load y[get parent] `ds,` load `l.r` store `l,r` store 
+
+        get parent set index
+    }
+
+    heap[0] dup load u64(1)+ store
+
+}
+
+void heap_pop(ptr u64, ptr i32, ptr i32) {
+    `sysx` set heap
+
+    heap[0] dup load u64(1) - dup as i32 set size store
+
+    heap[1] heap[get size 1-] load store # set the heap[0] as last heap element
+    y[1] y[get size 1-] load store
+    x[1] x[get size 1-] load store 
+
+    u1(1) set cont
+    `1si`
+
+    # down heap
+    while (get cont) {
+
+        `li` set nexti
+        
+        if (`li2*` get size < heap[get nexti] load heap[`li2*`] load > &) {
+            `li2*` set nexti
+        }
+        if (`li2*1+` get size < heap[get nexti] load heap[`li2*1+`] load > &) {
+            `li2*1+` set nexti
+        }
+
+        if (`li` get nexti !=) {
+
+            heap[get i] `ds.` load heap[get nexti] `ds,` load `l.r` store `l,r` store 
+            x[get i] `ds.` load x[get nexti] `ds,` load `l.r` store `l,r` store 
+            y[get i] `ds.` load y[get nexti] `ds,` load `l.r` store `l,r` store 
+        
+            get nexti set i
+        } else {
+            u1(0) set cont
+        }
+
+    }
+
+}
+
+void check_heap(ptr u64) {
+    set heap
+
+    heap[0] load as i32 set size
+
+    `1si`
+    while (`li` get size <) {
+        
+        #printnum(`li`) ':'putc
+        #printnum64(heap[`li`]load) ' ' putc
+        
+        if (`li2*` get size < heap[`li2*`] load heap[`li`] load <&) {
+            #printnum64(heap[`li2*`]load) ' ' putc
+            exit(3)
+        }
+
+        if (`li2*1+` get size < heap[`li2*1+`] load heap[`li`] load <&) {
+            #printnum64(heap[`li2*1+`]load) ' ' putc
+            exit(3)
+        }
+
+        inc(i)
+    }
+    i8(10) putc
+
+}
+
+
+void _start() {
+     
+    open("input", 0, 0) set file
+    array i8[65535] set buffer
+    get buffer i8(48) store
+    read(get file, get buffer, u64(65535)) as i32 set size
+    #get buffer get size+ i8(10) store
+ 
+    array i32[1024] set px
+    array i32[1024] set py 
+    array i32[1024] set pz
+
+    u64(0) `so` 
+
+    `0si0sc`
+    while (`li` get size 1- < ) {
+    
+        atoi(buffer[`li`]) px[`lc`] `r` store
+        while (buffer[`li`] load ',' !=) {inc(i)} inc(i)
+
+        atoi(buffer[`li`]) py[`lc`] `r` store
+        while (buffer[`li`] load ',' !=) {inc(i)} inc(i)
+        
+        atoi(buffer[`li`]) pz[`lc`] `r` store
+        while (buffer[`li`] load i8(10) !=) {inc(i)} inc(i)
+
+        inc(c)
+    }
+
+
+    #pz[0] load py[0] load px[0] load
+    #printnum ',' putc printnum ',' putc printnum i8(10) putc
+    println("distance calculation...")
+    
+    mmap(u64(0) as ptr i8, u64(2048) u64(4096) *, 2 1|, 32 2|, 0, i64(0)) as ptr u64 set dist
+
+    dist[524800] as ptr i32 set dist_p1
+    dist_p1[524800] set dist_p2
+
+    dist[0] u64(1) store
+
+    `0si`
+    while (`lilc` < ) {
+        `li1+sj`
+        while (`ljlc` <) {
+            #`liljr` printnum ',' putc printnum i8(10) putc
+
+            heap_add(
+                abs(px[`li`] load px[`lj`] load -) as u64 `d*` 
+                abs(py[`li`] load py[`lj`] load -) as u64 `d*` +
+                abs(pz[`li`] load pz[`lj`] load -) as u64 `d*` +,
+                get i, get j
+                get dist, get dist_p1, get dist_p2
+            )
+
+            #check_heap(get dist)
+            #check_heap(get dist)
+
+            inc(j)
+        }
+        inc(i)
+    }
+
+
+    println("chain joining...")
+    
+    array i32[1024] set links
+    memset(get links as ptr i8, 0, 4 1024* as u64) trash
+    array i32[1024] set linkcount
+    memset(get linkcount as ptr i8, 0, 4 1024* as u64) trash
+    0 set numlinks
+
+    0 set maxl
+
+    0 set clink
+
+    `0s10s2`
+    `0si`
+    while (get maxl `lc` !=) {
+        dist_p1[1] load `s1`
+        dist_p2[1] load `s2`
+        
+        #dist[0] load printnum64 ' ' putc 
+        #dist[1] load printnum64 ',' putc
+        #dist_p1[1] load printnum ',' putc
+        #dist_p2[1] load printnum ',' putc
+        #printnum64(px[`l1`] load as u64 px[`l2`] load as u64 *) ')' putc
+        #printnum(get maxl)
+        #i8(10) putc
+
+        dist_p1[1] load set p1 dist_p2[1] load set p2
+
+        if (links[get p1] load 0 == links[get p2] load 0 == &) {
+            # create a new link between these unlinked posts
+            inc(numlinks)
+            links[get p1] get numlinks store
+            links[get p2] get numlinks store
+
+            linkcount[get numlinks] dup load 2+ store
+
+            get numlinks set clink
+
+        } else if (links[get p1] load 0 != links[get p2] load 0 == &) {
+            # link p2 to p1's link
+            links[get p2] links[get p1] load store
+            linkcount[links[get p1] load] dup load 1+ store
+            
+            links[get p1] load set clink
+
+        } else if (links[get p1] load 0 == links[get p2] load 0 != &) {
+            # link p1 to p2's link
+            links[get p1] links[get p2] load store
+            linkcount[links[get p2] load] dup load 1+ store
+            
+            links[get p2] load set clink
+            
+        } else if (links[get p1] load links[get p2] load !=){
+            # big annoying link
+
+            links[get p1] load set into
+            links[get p2] load set from
+
+            linkcount[get into] dup load linkcount[get from] load + store
+            linkcount[get from] 0 store
+
+            `0sj`
+            while (`ljlc`<) {
+                if(links[`lj`] load get from ==) {
+                    links[`lj`] get into store
+                }
+                inc(j)
+            }
+            
+            
+            get into set clink
+
+        }
+
+        if (get maxl linkcount[get clink] load <) {
+            linkcount[get clink] load set maxl
+        } 
+
+        heap_pop(get dist, get dist_p1, get dist_p2)
+        inc(i)
+    }
+
+    `0si`
+    while (`li` get numlinks 1+ <) {
+        #printnum(linkcount[`li`] load) i8(10) putc
+        inc(i)
+    }
+
+    
+
+    println("answer:")
+    printnum64(px[`l1`] load as u64 px[`l2`] load as u64 *)
+    
+    exit(0)
+}
+
+void main() {
+    _start
+}