common: remove -C, serial_load_ip.bin default

common.mk

@@ -60,7 +60,6 @@ zero.bin:
 
 %.iso: %.bin gdrom_jvm_boot.bin zero.bin
 	mkisofs \
-		-C 0,11702 \
 		-sysid     "SEGA SEGAKATANA" \
 		-volid     "SAMPLE_GAME_TITLE" \
 		-volset    "SAMPLE_GAME_TITLE" \
@@ -69,7 +68,7 @@ zero.bin:
 		-copyright "COPYRIGH.TXT" \
 		-abstract  "ABSTRACT.TXT" \
 		-biblio    "BIBLIOGR.TXT" \
-		-G gdrom_jvm_boot.bin \
+		-G serial_load_ip.bin \
 		-o $@ \
 		-graft-points \
 		/0JVM.BIN=./$< \

loader.lds

@@ -73,6 +73,3 @@ INCLUDE "symbols.lds"
 INCLUDE "addresses.lds"
 
 __stack_end = 0x8c00f000;
-
-__send_buf = 0xac000020;
-__recv_buf = 0xac004000;

math/mat4x4.hpp

@@ -152,6 +152,23 @@ inline constexpr vec<3, T> operator*
 #undef c
 }
 
+template<typename T>
+inline constexpr vec<4, T> operator*
+(
+  mat<4, 4, T> const& m,
+  vec<4, T> const& v
+)
+{
+#define c(i) (                                  \
+    m[i][0] * v[0]                              \
+  + m[i][1] * v[1]                              \
+  + m[i][2] * v[2]                              \
+  + m[i][3] * v[3])
+
+  return vec<4, T>(c(0), c(1), c(2), c(3));
+#undef c
+}
+
 template<typename T>
 inline constexpr mat<4, 4, T> transpose(mat<4, 4, T> const& m)
 {