From b85a6e93f7a51d20e288b2961d31ce5f8953f058 Mon Sep 17 00:00:00 2001
From: plasmaofthedawn <plasmaofthedawn@gmail.com>
Date: Thu, 4 Dec 2025 22:13:32 -0500
Subject: [PATCH] psl day4

---
 src/plasl/2025/day4/part1.psl | 231 ++++++++++++++++++++++++++++++++
 src/plasl/2025/day4/part2.psl | 245 ++++++++++++++++++++++++++++++++++
 2 files changed, 476 insertions(+)
 create mode 100644 src/plasl/2025/day4/part1.psl
 create mode 100644 src/plasl/2025/day4/part2.psl

diff --git a/src/plasl/2025/day4/part1.psl b/src/plasl/2025/day4/part1.psl
new file mode 100644
index 0000000..93fc42f
--- /dev/null
+++ b/src/plasl/2025/day4/part1.psl
@@ -0,0 +1,231 @@
+
+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
+}
+
+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] 22+ 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-`}
+}
+
+void _start() {
+   
+    open("example.txt", 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+ -1+ i8(10) store
+
+    u64(0) `so`
+    0 set i
+
+    while (buffer[`li`] load i8(10) !=) {
+        inc(i)
+    }
+
+    `lid1+swsh`
+
+    `0si`
+
+    while (get i get size < ) {
+       
+        if (buffer[`li`] load '@' ==) {
+        
+            if (`li0`==) {
+                # tl corner
+                # buffer[1] load '@' == as i32
+                # buffer[`lw`] load '@' == as i32
+                # buffer[`lw1+`] load '@' == as i32
+                # +++
+                0 # this is always valid
+            } else if (`lilw2-`==) {
+                # tr corner 
+                # buffer[`lw2-`] load '@' == as i32 
+                # buffer[`lw2*1-`] load '@' == as i32
+                # buffer[`lw2*1-`] load '@' == as i32
+                0 
+            } else if (`li``lwlh*lw-`==) {
+                #bl corner
+                0
+            } else if (`li``lwlh*2-`==) {
+                # br corner
+                0
+            } else if (`lilw` <) {
+                # t edge
+                buffer[`li1-`] load '@' == as i32
+                buffer[`li1+`] load '@' == as i32
+                
+                buffer[`lilw+1-`] load '@' == as i32
+                buffer[`lilw+`] load '@' == as i32
+                buffer[`lilw+1+`] load '@' == as i32
+
+                ++++
+
+            } else if (`lilwlh*lw-` >){
+                # b edge
+
+                buffer[`lilw-1-`] load '@' == as i32
+                buffer[`lilw-`] load '@' == as i32
+                buffer[`lilw-1+`] load '@' == as i32
+                
+                buffer[`li1-`] load '@' == as i32
+                buffer[`li1+`] load '@' == as i32
+                
+                ++++
+
+            } else if (`lilw`%0==) {
+                # l edge
+
+                buffer[`lilw-`] load '@' == as i32
+                buffer[`lilw-1+`] load '@' == as i32
+                
+                buffer[`li1+`] load '@' == as i32
+                
+                buffer[`lilw+`] load '@' == as i32
+                buffer[`lilw+1+`] load '@' == as i32
+
+                ++++
+
+            } else if (`lilw`%`lw2-`==) {
+                # r edge
+
+                buffer[`lilw-1-`] load '@' == as i32
+                buffer[`lilw-`] load '@' == as i32
+                
+                buffer[`li1-`] load '@' == as i32
+                
+                buffer[`lilw+1-`] load '@' == as i32
+                buffer[`lilw+`] load '@' == as i32
+
+                ++++
+            } else {
+                
+                buffer[`lilw-1-`] load '@' == as i32
+                buffer[`lilw-`] load '@' == as i32
+                buffer[`lilw-1+`] load '@' == as i32
+                
+                buffer[`li1-`] load '@' == as i32
+                buffer[`li1+`] load '@' == as i32
+                
+                buffer[`lilw+1-`] load '@' == as i32
+                buffer[`lilw+`] load '@' == as i32
+                buffer[`lilw+1+`] load '@' == as i32
+                
+                +++++++
+
+            }
+
+            if ( 4 < ) {
+                'x' putc
+                inc(o)
+            } else {
+                '@' putc
+            }
+
+
+        } else {
+            buffer[get i] load putc
+        }
+
+        inc(i)
+
+    }
+
+
+    println("answer:")
+    `lo` printnum64 i8(10) putc
+    exit(0)
+}
+
+void main() {
+    _start
+}
diff --git a/src/plasl/2025/day4/part2.psl b/src/plasl/2025/day4/part2.psl
new file mode 100644
index 0000000..8b9e9c9
--- /dev/null
+++ b/src/plasl/2025/day4/part2.psl
@@ -0,0 +1,245 @@
+
+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
+}
+
+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] 22+ 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-`}
+}
+
+void _start() {
+   
+    open("example.txt", 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+ -1+ i8(10) store
+
+    u64(1) `sO`
+    u64(0) `so`
+    0 set i
+
+    while (buffer[`li`] load i8(10) !=) {
+        inc(i)
+    }
+
+    `lid1+swsh`
+
+    while (`lOlo` !=) {
+
+        `losO`
+
+        `0si`
+        while (get i get size < ) {
+           
+            if (buffer[`li`] load '@' ==) {
+            
+                if (`li0`==) {
+                    # tl corner
+                    # buffer[1] load '@' == as i32
+                    # buffer[`lw`] load '@' == as i32
+                    # buffer[`lw1+`] load '@' == as i32
+                    # +++
+                    0 # this is always valid
+                } else if (`lilw2-`==) {
+                    # tr corner 
+                    # buffer[`lw2-`] load '@' == as i32 
+                    # buffer[`lw2*1-`] load '@' == as i32
+                    # buffer[`lw2*1-`] load '@' == as i32
+                    0 
+                } else if (`li``lwlh*lw-`==) {
+                    #bl corner
+                    0
+                } else if (`li``lwlh*2-`==) {
+                    # br corner
+                    0
+                } else if (`lilw` <) {
+                    # t edge
+                    buffer[`li1-`] load '@' == as i32
+                    buffer[`li1+`] load '@' == as i32
+                    
+                    buffer[`lilw+1-`] load '@' == as i32
+                    buffer[`lilw+`] load '@' == as i32
+                    buffer[`lilw+1+`] load '@' == as i32
+
+                    ++++
+
+                } else if (`lilwlh*lw-` >){
+                    # b edge
+
+                    buffer[`lilw-1-`] load '@' == as i32
+                    buffer[`lilw-`] load '@' == as i32
+                    buffer[`lilw-1+`] load '@' == as i32
+                    
+                    buffer[`li1-`] load '@' == as i32
+                    buffer[`li1+`] load '@' == as i32
+                    
+                    ++++
+
+                } else if (`lilw`%0==) {
+                    # l edge
+
+                    buffer[`lilw-`] load '@' == as i32
+                    buffer[`lilw-1+`] load '@' == as i32
+                    
+                    buffer[`li1+`] load '@' == as i32
+                    
+                    buffer[`lilw+`] load '@' == as i32
+                    buffer[`lilw+1+`] load '@' == as i32
+
+                    ++++
+
+                } else if (`lilw`%`lw2-`==) {
+                    # r edge
+
+                    buffer[`lilw-1-`] load '@' == as i32
+                    buffer[`lilw-`] load '@' == as i32
+                    
+                    buffer[`li1-`] load '@' == as i32
+                    
+                    buffer[`lilw+1-`] load '@' == as i32
+                    buffer[`lilw+`] load '@' == as i32
+
+                    ++++
+                } else {
+                    
+                    buffer[`lilw-1-`] load '@' == as i32
+                    buffer[`lilw-`] load '@' == as i32
+                    buffer[`lilw-1+`] load '@' == as i32
+                    
+                    buffer[`li1-`] load '@' == as i32
+                    buffer[`li1+`] load '@' == as i32
+                    
+                    buffer[`lilw+1-`] load '@' == as i32
+                    buffer[`lilw+`] load '@' == as i32
+                    buffer[`lilw+1+`] load '@' == as i32
+                    
+                    +++++++
+
+                }
+
+                if ( 4 < ) {
+                    inc(o)
+                    buffer[`li`] 'x' store
+                } 
+
+            } 
+
+            inc(i)
+
+        }
+
+        # yeah !
+        `0si`
+
+        print(get buffer)
+
+        while (get i get size < ) {
+            if (buffer[`li`] load 'x' ==) { buffer[`li`] '.' store }
+            inc(i)
+        }
+
+        printnum64(`lolO-`) i8(10) putc
+        i8(10) putc
+
+    }
+
+
+    println("answer:")
+    `lo` printnum64 i8(10) putc
+    exit(0)
+}
+
+void main() {
+    _start
+}