add HollyBits

.gitignore

@@ -6,6 +6,7 @@
 *.class
 *.out
 *.elf
+*.bin
 main
 print_class
 __pycache__

Makefile.dreamcast.mk

@@ -48,14 +48,15 @@ LIBGCC_OBJ = \
 	libgcc/_div_table.o
 
 CLASS_FILES = \
-	p/DreamcastVideo.class.o \
-	java/lang/String.class.o \
-	java/lang/Integer.class.o \
-	java/lang/System.class.o \
 	java/io/PrintStream.class.o \
+	java/lang/Integer.class.o \
 	java/lang/Object.class.o \
+	java/lang/String.class.o \
+	java/lang/System.class.o \
+	java/misc/Memory.class.o \
+	p/DreamcastVideo2.class.o \
 	sega/dreamcast/holly/Holly.class.o \
-	java/misc/Memory.class.o
+	sega/dreamcast/holly/HollyBits.class.o
 
 main.elf: LDSCRIPT = $(LIB)/main.lds
 main.elf: $(START_OBJ) $(OBJ) $(MAIN_OBJ) $(MAIN_DREAMCAST_OBJ) $(LIBGCC_OBJ) $(CLASS_FILES)

c/main_dreamcast.c

@@ -7,32 +7,33 @@
 
 #include "sh7091_scif.h"
 
-#include "p/DreamcastVideo.class.h"
-#include "java/lang/String.class.h"
-#include "java/lang/Integer.class.h"
-#include "java/lang/System.class.h"
 #include "java/io/PrintStream.class.h"
+#include "java/lang/Integer.class.h"
 #include "java/lang/Object.class.h"
-#include "sega/dreamcast/holly/Holly.class.h"
+#include "java/lang/String.class.h"
+#include "java/lang/System.class.h"
 #include "java/misc/Memory.class.h"
+#include "p/DreamcastVideo2.class.h"
+#include "sega/dreamcast/holly/Holly.class.h"
+#include "sega/dreamcast/holly/HollyBits.class.h"
 
 void main()
 {
   scif_init(0);
 
   const uint8_t * class_file_buffers[] = {
-    (const uint8_t *)&_binary_p_DreamcastVideo_class_start,
-    (const uint8_t *)&_binary_java_lang_String_class_start,
-    (const uint8_t *)&_binary_java_lang_Integer_class_start,
-    (const uint8_t *)&_binary_java_lang_System_class_start,
     (const uint8_t *)&_binary_java_io_PrintStream_class_start,
+    (const uint8_t *)&_binary_java_lang_Integer_class_start,
     (const uint8_t *)&_binary_java_lang_Object_class_start,
-    (const uint8_t *)&_binary_sega_dreamcast_holly_Holly_class_start,
+    (const uint8_t *)&_binary_java_lang_String_class_start,
+    (const uint8_t *)&_binary_java_lang_System_class_start,
     (const uint8_t *)&_binary_java_misc_Memory_class_start,
+    (const uint8_t *)&_binary_p_DreamcastVideo2_class_start,
+    (const uint8_t *)&_binary_sega_dreamcast_holly_Holly_class_start,
   };
   int class_file_buffers_length = (sizeof (class_file_buffers)) / (sizeof (class_file_buffers[0]));
 
-  const uint8_t * main_class = (const uint8_t *)"p/DreamcastVideo";
+  const uint8_t * main_class = (const uint8_t *)"p/DreamcastVideo2";
   int main_class_length = string_length((const char *)main_class);
 
   int class_hash_table_length;

generate.sh

@@ -1,3 +1,4 @@
 python gen_decoder.py > c/decode.inc.c
 
 python regs/holly.py ../dreamcast/regs/holly.csv > sega/dreamcast/holly/Holly.java
+python regs/holly_bits.py ../dreamcast/regs/core_bits.csv > sega/dreamcast/holly/HollyBits.java

p/DreamcastVideo2.class.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern uint32_t _binary_p_DreamcastVideo2_class_start __asm("_binary_p_DreamcastVideo2_class_start");
+extern uint32_t _binary_p_DreamcastVideo2_class_end __asm("_binary_p_DreamcastVideo2_class_end");
+extern uint32_t _binary_p_DreamcastVideo2_class_size __asm("_binary_p_DreamcastVideo2_class_size");
+
+#ifdef __cplusplus
+}
+#endif

p/DreamcastVideo2.java

@@ -0,0 +1,27 @@
+package p;
+
+import sega.dreamcast.holly.Holly;
+import sega.dreamcast.holly.HollyBits;
+import java.misc.Memory;
+
+class DreamcastVideo2 {
+    public static void main() {
+        System.out.print("FB_R_SOF1: ");
+        System.out.println(Memory.getU4(Holly.FB_R_SOF1));
+
+        System.out.print("FB_R_CTRL: ");
+        System.out.println(Memory.getU4(Holly.FB_R_CTRL));
+
+        int fb_r_ctrl =
+              HollyBits.fb_r_ctrl__vclk_div__pclk_vclk_1
+            | HollyBits.fb_r_ctrl__fb_depth__0888_rgb_32bit
+            | HollyBits.fb_r_ctrl__fb_enable;
+        Memory.putU4(Holly.FB_R_CTRL, fb_r_ctrl);
+
+        int blue = 0x000077ff;
+        int fb = 0xa5000000 + Memory.getU4(Holly.FB_R_SOF1);
+        for (int i = 0; i < 640 * 480; i++) {
+            Memory.putU4(fb + (i * 4), red);
+        }
+    }
+}

regs/bits_java.py

@@ -2,16 +2,22 @@ from bits import sign_extend
 from bits import mask_from_bits
 
 def generate_bit(bit):
+    #name = bit.bit_name
+    if bit.enum_name == "":
+        name = f"{bit.register_name}__{bit.bit_name}".lower()
+    else:
+        name = f"{bit.register_name}__{bit.enum_name}__{bit.bit_name}".lower()
+
     if not bit.value and not bit.mask:
-        yield f"public static int {bit.bit_name}(int n) {{"
+        yield f"public static int {name}(int n) {{"
         yield f"return (n >> {min(bit.bits)}) & {sign_extend(mask_from_bits(bit.bits), 32)};"
         yield "}"
     elif bit.value:
         assert (bit.value is None) ^ (bit.mask is None), bit
-        yield f"public static final int {bit.bit_name} = {bit.value << min(bit.bits)};"
+        yield f"public static final int {name} = {bit.value} << {min(bit.bits)};"
     elif bit.mask:
         assert (bit.value is None) ^ (bit.mask is None), bit
-        yield f"public static int {bit.bit_name}(int n) {{"
+        yield f"public static int {name}(int n) {{"
         if type(bit.mask) is str:
             yield f"return (n & {sign_extend(mask_from_bits(bit.bits), 32)}) << {min(bit.bits)};"
         else:
@@ -29,16 +35,15 @@ def generate_enums(enum_group):
         if enum_name == "":
             yield from generate_bits(bits)
         else:
-            yield f"public class {enum_name} {{"
+            #yield f"public class {enum_name} {{"
             yield from generate_bits(bits)
-            yield "}"
+            #yield "}"
 
 def generate_registers(package_name, class_name, group):
     yield f"package sega.dreamcast.{package_name};"
-    yield ""
     yield f"public class {class_name} {{"
     for register_name, enum_group in group.items():
-        yield f"public class {register_name} {{"
+        #yield f"public class {register_name.lower()} {{"
         yield from generate_enums(enum_group)
-        yield "}"
+        #yield "}"
     yield "}"

regs/holly.py

@@ -8,7 +8,6 @@ def generate_register(base_address, register):
 
 def generate_classes(package_name, base_address, blocks):
     yield f"package sega.dreamcast.{package_name};"
-    yield ""
     for block, registers in blocks:
         yield f"public class {block.capitalize()} {{"
         for register in registers:

sega/dreamcast/holly/Holly.java

@@ -1,6 +1,5 @@
 package sega.dreamcast.holly;
 
-
 public class Holly {
     public static final int ID = 0xa05f8000;
     public static final int REVISION = 0xa05f8004;

sega/dreamcast/holly/HollyBits.class.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern uint32_t _binary_sega_dreamcast_holly_HollyBits_class_start __asm("_binary_sega_dreamcast_holly_HollyBits_class_start");
+extern uint32_t _binary_sega_dreamcast_holly_HollyBits_class_end __asm("_binary_sega_dreamcast_holly_HollyBits_class_end");
+extern uint32_t _binary_sega_dreamcast_holly_HollyBits_class_size __asm("_binary_sega_dreamcast_holly_HollyBits_class_size");
+
+#ifdef __cplusplus
+}
+#endif