From b92f99cc70d753fdac1a1b6126c0d680e527ec54 Mon Sep 17 00:00:00 2001
From: DiamondNether90 <diamondnether941@gmail.com>
Date: Sat, 13 Sep 2025 10:10:21 +1000
Subject: [PATCH] Added programs/bf.grnd

---
 packages/lists/lists.grnd |  24 ++++
 packages/lists/readme.md  |   1 +
 programs/bf.grnd          | 225 ++++++++++++++++++++++++++++++++++++++
 programs/test.grnd        |   1 +
 4 files changed, 251 insertions(+)
 create mode 100644 packages/lists/lists.grnd
 create mode 100644 packages/lists/readme.md
 create mode 100644 programs/bf.grnd
 create mode 100644 programs/test.grnd

diff --git a/packages/lists/lists.grnd b/packages/lists/lists.grnd
new file mode 100644
index 0000000..3617706
--- /dev/null
+++ b/packages/lists/lists.grnd
@@ -0,0 +1,24 @@
+# Converts list to string
+fun -string !ltos -list &inlist
+    getlistsize *inlist &listlen
+    set &idx 0
+    set &ans ""
+    add $ans '[' &ans
+    @stdoutloop
+        getlistat *inlist $idx &store
+        add $ans $store &ans
+        add $idx 1 &idx
+        equal $idx $listlen &store
+        if $store %trueend
+        add $ans ", " &ans
+        jump %stdoutloop
+
+    @trueend
+    add $ans "]" &ans
+    return $ans
+endfun
+
+setlist *store 4 2 "Hello"
+pusharg *store
+call !ltos &store
+stdlnout $store
\ No newline at end of file
diff --git a/packages/lists/readme.md b/packages/lists/readme.md
new file mode 100644
index 0000000..bdf86e8
--- /dev/null
+++ b/packages/lists/readme.md
@@ -0,0 +1 @@
+### Due to the current limitations of ground, this package is not ready for use.
\ No newline at end of file
diff --git a/programs/bf.grnd b/programs/bf.grnd
new file mode 100644
index 0000000..2887d30
--- /dev/null
+++ b/programs/bf.grnd
@@ -0,0 +1,225 @@
+stdout "Brainf*ck Code: "
+stdin &str
+stdout "Input: "
+stdin &input
+set &idx 0
+setlist *cells 0
+setlist *startloop
+set &loopdepth 0
+set &ignore false
+set &selectedcell 0
+set &inputidx 0
+getstrsize $str &len
+
+setlist *ascii ' ' '!' '"' '#' '$' '%' '&' "'" '(' ')' '*' '+' ',' '-' '.' '/' '0' '1' '2' '3' '4' '5' '6' '7' '8' '9' ':' ';' '<' '=' '>' '?' '@' 'A' 'B' 'C' 'D' 'E' 'F' 'G' 'H' 'I' 'J' 'K' 'L' 'M' 'N' 'O' 'P' 'Q' 'R' 'S' 'T' 'U' 'V' 'W' 'X' 'Y' 'Z' '[' '\' ']' '^' '_' '`' 'a' 'b' 'c' 'd' 'e' 'f' 'g' 'h' 'i' 'j' 'k' 'l' 'm' 'n' 'o' 'p' 'q' 'r' 's' 't' 'u' 'v' 'w' 'x' 'y' 'z' '{' '|' '}' '~'
+
+@loop
+    equal $idx $len &store
+    if $store %end
+
+    getstrcharat $str $idx &idxchar
+    
+    equal $idxchar '+' &store
+    if $store %plus
+
+    equal $idxchar '-' &store
+    if $store %minus
+
+    equal $idxchar '>' &store
+    if $store %right
+
+    equal $idxchar '<' &store
+    if $store %left
+
+    equal $idxchar '[' &store
+    if $store %leftbracket
+
+    equal $idxchar ']' &store
+    if $store %rightbracket
+
+    equal $idxchar ',' &store
+    if $store %input
+
+    equal $idxchar '.' &store
+    if $store %output
+
+    jump %increment
+
+    @plus
+        if $ignore %increment
+        lesser $selectedcell 0 &store
+        if $store %rangeerror
+        getlistat *cells $selectedcell &store
+        add $store 1 &store
+        setlistat *cells $selectedcell $store
+        inequal $store 256 &store
+        if $store %increment
+        setlistat *cells $selectedcell 0
+        jump %increment
+
+    @minus
+        if $ignore %increment
+        lesser $selectedcell 0 &store
+        if $store %rangeerror
+        getlistat *cells $selectedcell &store
+        subtract $store 1 &store
+        setlistat *cells $selectedcell $store
+        inequal $store -1 &store
+        if $store %increment
+        setlistat *cells $selectedcell 255
+        jump %increment
+
+    @right
+        if $ignore %increment
+        add $selectedcell 1 &selectedcell
+
+        # Check if new cell needs to be added
+        getlistsize *cells &store
+        lesser $selectedcell $store &store
+        if $store %increment
+        listappend *cells 0
+        jump %increment
+
+    @left
+        if $ignore %increment
+        subtract $selectedcell 1 &selectedcell
+        jump %increment
+
+    @leftbracket
+        if $ignore %customignoreleft
+        listappend *startloop 0
+        setlistat *startloop $loopdepth $idx
+        set &ignoreidx $loopdepth
+        add $loopdepth 1 &loopdepth
+
+        getlistat *cells $selectedcell &store
+        inequal $store 0 &store
+        if $store %increment
+
+        # If selected cell is 0, jump to the matching right bracket (by ignoring all other instructions)
+        set &ignore true
+        jump %increment
+
+        @customignoreleft
+        add $loopdepth 1 &loopdepth
+        jump %increment
+
+    @rightbracket
+        subtract $loopdepth 1 &loopdepth
+        if $ignore %continue
+        getlistat *startloop $loopdepth &store
+        set &idx $store
+        # Don't increment
+        jump %loop
+
+        @continue
+        inequal $loopdepth $ignoreidx &store
+        if $store %increment
+        set &ignore false
+        jump %increment
+
+    @input
+        if $ignore %increment
+        lesser $selectedcell 0 &store
+        if $store %rangeerror
+        
+        getstrsize $input &store
+        equal $inputidx $store &store
+        if $store %inputzero
+
+        getstrcharat $input $inputidx &inputstore
+        tostring $inputstore &store
+        equal $store "'" &store
+        if $store %singlequote
+        set &asciiidx 0
+        @findascii
+            getlistsize *ascii &store
+            equal $store $asciiidx &store
+            if $store %noascii
+
+            equal $asciiidx 7 &store
+            if $store %asciiincrement
+            getlistat *ascii $asciiidx &store
+            equal $store $inputstore &store
+            if $store %exitascii
+            @asciiincrement
+            add $asciiidx 1 &asciiidx
+            jump %findascii
+
+        @exitascii
+        add $asciiidx 32 &asciiidx
+        setlistat *cells $selectedcell $asciiidx
+
+        add $inputidx 1 &inputidx
+        jump %increment
+
+        @singlequote
+        setlistat *cells $selectedcell 39
+        add $inputidx 1 &inputidx
+        jump %increment
+
+        @inputzero
+        setlistat *cells $selectedcell 0
+        add $inputidx 1 &inputidx
+        jump %increment
+
+        @noascii
+        error "Error: Invalid ASCII output code"
+
+    @output
+        if $ignore %increment
+        lesser $selectedcell 0 &store
+        if $store %rangeerror
+
+        # 0-31 is not doing anything, except for 10 which is newline
+        getlistat *cells $selectedcell &store
+        equal $store 10 &store
+        if $store %newline
+        
+        getlistat *cells $selectedcell &store
+        lesser $store 32 &store
+        if $store %blank
+
+        getlistat *cells $selectedcell &store
+        greater $store 126 &store
+        if $store %blank
+
+        getlistat *cells $selectedcell &store
+        subtract $store 32 &store
+        getlistat *ascii $store &store
+        stdout $store
+        jump %increment
+
+        @newline
+        stdlnout ""
+        jump %increment
+
+        @blank
+        stdout " "
+        jump %increment
+
+
+    @increment
+    add $idx 1 &idx
+    jump %loop
+
+    @rangeerror
+    error "Cannot edit garbage data (negative cell index)"
+@end
+
+# Output list
+stdlnout ""
+getlistsize *cells &listlen
+set &idx 0
+stdout "["
+@stdoutloop
+    getlistat *cells $idx &store
+    stdout $store
+    add $idx 1 &idx
+    equal $idx $listlen &store
+    if $store %trueend
+    stdout ", "
+    jump %stdoutloop
+
+@trueend
+stdout "]"
\ No newline at end of file
diff --git a/programs/test.grnd b/programs/test.grnd
new file mode 100644
index 0000000..289adc5
--- /dev/null
+++ b/programs/test.grnd
@@ -0,0 +1 @@
+'\''
\ No newline at end of file