Fix conversion of C globals

.vscode/c_cpp_properties.json

@@ -6,8 +6,9 @@
             "includePath": [
                 "${default}",
                 "${workspaceFolder}/gbsdk/inc",
-                "${workspaceFolder}/include"
+                "${workspaceFolder}/include",
+                "${workspaceFolder}/_build/level"
             ]
         }
     ]
-}
+}

gbsdk/rules.mk

@@ -126,7 +126,7 @@ $(BUILD)/%.asm.o: %.asm $(BUILD)/%.asm.d
 # Rule to build the final rom
 $(PROJECT_NAME).$(ROM_EXTENSION) $(PROJECT_NAME).map $(PROJECT_NAME).sym: $(OBJS)
 	@echo Linking $@
-	$(Q)rgblink $(LDFLAGS) $^ -o $@ -m $(basename $@).map -n $(basename $@).sym
+	rgblink $(LDFLAGS) $^ -o $@ -m $(basename $@).map -n $(basename $@).sym
 	$(Q)rgbfix $(FIXFLAGS) $@
 	@python3 $(TOOLS)/romspace.py $(basename $@).map
 

gbsdk/tools/asmconvert.py

@@ -82,6 +82,7 @@ class Tokenizer:
 
 
 tok = Tokenizer(sys.stdin.read())
+global_names = set()
 
 
 def processExpression():
@@ -177,9 +178,13 @@ while tok:
     elif start.isA("COMMENT"):
         print(start.value)
     elif start.isA("DIRECTIVE"):
-        if start.value in {".module", ".optsdcc", ".globl"}:
+        if start.value in {".module", ".optsdcc"}:
             while not tok.pop().isA("NEWLINE"):
                 pass
+        elif start.value == ".globl":
+            global_name = tok.pop().value
+            global_names.add(global_name)
+            assert tok.pop().isA("NEWLINE")
         elif start.value == ".area":
             area_name = tok.pop().value
             if area_name == "_DATA":
@@ -251,7 +256,10 @@ while tok:
             processExpression()
             sys.stdout.write("\n")
         elif tok.peek().isA("LABEL"):
-            print("%s%s" % (start.value, tok.pop().value))
+            label_suffix = tok.pop().value
+            if label_suffix == ":" and start.value in global_names:
+                label_suffix = "::"
+            print("%s%s" % (start.value, label_suffix))
         elif start.isA("ID", "ldhl"):
             tok.expect("ID", "sp")
             tok.expect("OP", ",")

scripts/generate_map.py

@@ -131,6 +131,8 @@ def generate_map(pngfile: str, compress: bool = False) -> None:
 #ifndef IS_MAP_{section}_H_
 #define IS_MAP_{section}_H_
 
+#include "map.h"
+
 extern map_t map_{section};
 
 #endif
@@ -146,7 +148,7 @@ MAP_ASSET({section}_tiles, "{section}.tiles");
 MAP_ASSET({section}_map, "{section}.tilemap");
 MAP_ASSET({section}_collision, "{section}.collision");
 
-const map_t map_{section} = {{
+extern const map_t map_{section} = {{
     (uint16_t)&{section}_tiles[0],
     {tiles_size} / 16,
     (uint16_t)&{section}_map[0],
@@ -158,7 +160,7 @@ const map_t map_{section} = {{
     {camera[0]},
     {camera[1]}
 }};
-"""
+""".strip()
         )
 
 

src/level.c

@@ -1,4 +1,5 @@
 #include "game.h"
+#include "intro.h"
 #include "map.h"
 #include "sdk/hardware.h"
 #include "sdk/joypad.h"
@@ -7,7 +8,7 @@
 void level(void) {
     lcd_off();
 
-    // map_load();
+    map_load(&map_intro);
 
     rLCDC |= LCDC_ON;