diff --git a/src/raddbg/generated/raddbg.meta.c b/src/raddbg/generated/raddbg.meta.c
index 617c766f..1cbb3cf2 100644
--- a/src/raddbg/generated/raddbg.meta.c
+++ b/src/raddbg/generated/raddbg.meta.c
@@ -327,9 +327,9 @@ RD_NameSchemaInfo rd_name_schema_info_table[17] =
 {str8_lit_comp("settings"), str8_lit_comp("x:\n{\n  @default(1) 'hover_animations':     bool,\n  @default(1) 'press_animations':     bool,\n  @default(0) 'focus_animations':     bool,\n  @default(1) 'tooltip_animations':   bool,\n  @default(1) 'menu_animations':      bool,\n  @default(1) 'scrolling_animations': bool,\n  @default(1) 'background_blur':      bool,\n  @default(1) 'thread_lines':         bool,\n  @default(1) 'breakpoint_lines':     bool,\n  @default(1) 'thread_glow':          bool,\n  @default(1) 'breakpoint_glow':      bool,\n  @default(0) 'opaque_backgrounds':   bool,\n  @default(1) 'smooth_main_text':     bool,\n  @default(0) 'smooth_code_text':     bool,\n  @default(1) 'hint_main_text':       bool,\n  @default(1) 'hint_code_text':       bool,\n  @default(2) 'tab_width':      @range[1, 32] u64,\n  @can_be_per_window 'main_font_size': @range[6, 72] u64,\n  @can_be_per_window 'code_font_size': @range[1, 32] u64,\n}\n")},
 {str8_lit_comp("text"), str8_lit_comp("x:\n{\n  'lang':lang,\n  'size':code_string,\n  @default(1) 'show_line_numbers':bool,\n}\n")},
 {str8_lit_comp("disasm"), str8_lit_comp("x:\n{\n  'arch':              arch,\n  'syntax':            dasm_syntax,\n  'size':              code_string,\n  @default(1) 'show_addresses':    bool,\n  @default(0) 'show_code_bytes':   bool,\n  @default(1) 'show_source_lines': bool,\n  @default(1) 'show_symbol_names': bool,\n  @default(1) 'show_line_numbers': bool,\n}\n")},
-{str8_lit_comp("memory"), str8_lit_comp("x:\n{\n  'size':        code_string,\n  @default(16) 'num_columns': @range[1, 64] u64,\n}\n")},
-{str8_lit_comp("bitmap"), str8_lit_comp("x:\n{\n  @order(0) 'w': code_string,\n  @order(1) 'h': code_string,\n  'fmt': tex2dformat,\n}\n")},
-{str8_lit_comp("geo3d"), str8_lit_comp("x:\n{\n  'count': code_string,\n  'vtx': code_string,\n  'vtx_size': code_string,\n  'yaw': f32,\n  'pitch': f32,\n  'zoom': f32,\n}\n")},
+{str8_lit_comp("memory"), str8_lit_comp("x:\n{\n  'size':        code_string,\n  @default(16) 'num_columns': @range[1, 256] u64,\n}\n")},
+{str8_lit_comp("bitmap"), str8_lit_comp("x:\n{\n  @order(0) 'w': u64,\n  @order(1) 'h': u64,\n  'fmt': tex2dformat,\n}\n")},
+{str8_lit_comp("geo3d"), str8_lit_comp("x:\n{\n  'count': code_string,\n  'vtx': code_string,\n  'vtx_size': code_string,\n  'yaw': @range[0, 1] f32,\n  'pitch': @range[-0.5, 0] f32,\n  'zoom': @range[0, 100] f32,\n}\n")},
 {str8_lit_comp("target"), str8_lit_comp("@commands(enable_cfg, launch_and_run, launch_and_step_into, remove_cfg)\n@collection_commands(add_target)\nx:\n{\n  'label':              code_string,\n  'executable':         path,\n  'arguments':          string,\n  'working_directory':  path,\n  'entry_point':        code_string,\n  'stdout_path':        path,\n  'stderr_path':        path,\n  'stdin_path':         path,\n  'environment':        query,\n  'debug_subprocesses': bool,\n  @no_expand @default(0) 'enabled': bool,\n}\n")},
 {str8_lit_comp("breakpoint"), str8_lit_comp("@commands(enable_cfg, remove_cfg)\n@collection_commands(toggle_breakpoint, add_breakpoint, add_address_breakpoint)\nx:\n{\n  'label':            code_string,\n  'condition':        code_string,\n  'source_location':  path_pt,\n  'address_location': code_string,\n  'hit_count':        u64,\n  'address_range_size': @or(0, 1, 2, 4, 8) u64,\n  'break_on_write':   bool,\n  'break_on_read':    bool,\n  'break_on_execute': bool,\n  @no_expand @default(1) 'enabled': bool,\n}\n")},
 {str8_lit_comp("watch_pin"), str8_lit_comp("@commands(remove_cfg)\n@collection_commands(add_watch_pin)\nx:\n{\n  'expression':       code_string,\n  'view_rule':        code_string,\n  'source_location':  path_pt,\n  'address_location': code_string,\n}\n")},
diff --git a/src/raddbg/raddbg.mdesk b/src/raddbg/raddbg.mdesk
index 10d2e7d0..fa3cfc3f 100644
--- a/src/raddbg/raddbg.mdesk
+++ b/src/raddbg/raddbg.mdesk
@@ -204,7 +204,7 @@ RD_VocabTable:
       x:
     {
       'size':        code_string,
-      @default(16) 'num_columns': @range[1, 64] u64,
+      @default(16) 'num_columns': @range[1, 256] u64,
     }
     ```
   }
@@ -213,8 +213,8 @@ RD_VocabTable:
     ```
       x:
     {
-      @order(0) 'w': code_string,
-      @order(1) 'h': code_string,
+      @order(0) 'w': u64,
+      @order(1) 'h': u64,
       'fmt': tex2dformat,
     }
     ```
@@ -227,9 +227,9 @@ RD_VocabTable:
       'count': code_string,
       'vtx': code_string,
       'vtx_size': code_string,
-      'yaw': f32,
-      'pitch': f32,
-      'zoom': f32,
+      'yaw': @range[0, 1] f32,
+      'pitch': @range[-0.5, 0] f32,
+      'zoom': @range[0, 100] f32,
     }
     ```
   }
diff --git a/src/raddbg/raddbg_eval.c b/src/raddbg/raddbg_eval.c
index 2f50af59..521f35fc 100644
--- a/src/raddbg/raddbg_eval.c
+++ b/src/raddbg/raddbg_eval.c
@@ -392,6 +392,26 @@ E_TYPE_ACCESS_FUNCTION_DEF(schema)
         child_type_key = e_string2typekey_map_lookup(rd_state->meta_name2type_map, child_schema->string);
       }
       
+      //- rjf: extend child type with ranges
+      MD_Node *range = md_tag_from_string(child_schema->first, str8_lit("range"), 0);
+      if(!md_node_is_nil(range))
+      {
+        Temp scratch = scratch_begin(&arena, 1);
+        E_Expr *min_bound = e_parse_expr_from_text(scratch.arena, range->first->string).exprs.first;
+        E_Expr *max_bound = e_parse_expr_from_text(scratch.arena, range->first->next->string).exprs.first;
+        E_Expr *args[] =
+        {
+          min_bound,
+          max_bound,
+        };
+        child_type_key = e_type_key_cons(.kind = E_TypeKind_Lens,
+                                         .name = str8_lit("range1"),
+                                         .direct_key = child_type_key,
+                                         .count = 2,
+                                         .args = args);
+        scratch_end(scratch);
+      }
+      
       //- rjf: evaluate
       E_Space child_eval_space = zero_struct;
       if(cfg != &rd_nil_cfg)
diff --git a/src/raddbg/raddbg_views.c b/src/raddbg/raddbg_views.c
index 4cfe1f7b..aa56aa14 100644
--- a/src/raddbg/raddbg_views.c
+++ b/src/raddbg/raddbg_views.c
@@ -2180,10 +2180,10 @@ RD_VIEW_UI_FUNCTION_DEF(memory)
   {
     space_range = r1u64(0, 0x7FFFFFFFFFFFull);
   }
-  U64 cursor          = rd_view_cfg_value_from_string(str8_lit("cursor_vaddr")).u64;
-  U64 mark            = rd_view_cfg_value_from_string(str8_lit("mark_vaddr")).u64;
-  U64 bytes_per_cell  = rd_view_cfg_value_from_string(str8_lit("bytes_per_cell")).u64;
-  U64 num_columns     = rd_view_cfg_value_from_string(str8_lit("num_columns")).u64;
+  U64 cursor          = rd_view_cfg_u64_from_string(str8_lit("cursor_vaddr"));
+  U64 mark            = rd_view_cfg_u64_from_string(str8_lit("mark_vaddr"));
+  U64 bytes_per_cell  = rd_view_cfg_u64_from_string(str8_lit("bytes_per_cell"));
+  U64 num_columns     = rd_view_cfg_u64_from_string(str8_lit("num_columns"));
   if(num_columns == 0)
   {
     num_columns = 16;