$f000 write のレジスタの仕様を記載

git-svn-id: svn+ssh://svn.osdn.net/svnroot/unagi@211 24ea1065-a21e-4ca1-99c9-f5125deb0858

diff --git a/script_rom/trunk/vrc3.ud b/script_rom/trunk/vrc3.ud
index bbb6c5e..eafa5f3 100644 (file)
--- a/script_rom/trunk/vrc3.ud
+++ b/script_rom/trunk/vrc3.ud
@@ -1,13 +1,29 @@
 #konami VRCIII
+#RC821
+#³Æ¥ì¥¸¥¹¥¿¤Ï4bit
+#write
+#$8000,$9000 ÉÔÌÀ
+#$a000 IRQ scanline¤â¤É¤­ count, bit0-3
+#$b000 IRQ scanline¤â¤É¤­ count, bit4-7
+#$c000 IRQ enable
+#$d000 IRQ Acknowledge?
+#$f000 bit0-2 pagenumber at CPU address $8000-$bfff
+#      bit3 1: ROM address 0x1c000-0x1cfff map CPU address $c000-$cfff
+#           0: IRQ status? at CPU address $c000-$cfff
+#read
+#$8000-$bfff ²ÄÊÑ¥¨¥ê¥¢, write $f000 bit0-2
+#$c000-$cfff ²ÄÊÑ¥¨¥ê¥¢, write $f000 bit3
+#$d000-$dfff ¸ÇÄꥨ¥ê¥¢, ROM address 0x1d000-0x1dfff
+#$e000-$efff ¸ÇÄꥨ¥ê¥¢, ROM address 0x1e000-0x1ffff
+
 MAPPER 73
 CPU_ROMSIZE 0x20000
 MIRROR VERTICAL
 DUMP_START
-STEP_START i 0 8 1
+STEP_START i 0 7 1
        CPU_WRITE $f000 i
        CPU_READ $8000 0x4000
 STEP_END
-#CPU ADDRESS $c000-$cfff ¤Ï ROM ADDRESS 0x1c000-0x1cfff ¤Î¤Ï¤º¤Î¤Ë
-#¤Ê¤¼¤«Á´¤Æ $FF¡£$d000-$dfff ¤Ï 0x1d000-0x1dfff¤Ç°ìÃפ¹¤ë¡£
-#CPU_READ $c000 0x4000
+CPU_WRITE $f000 %1000
+CPU_READ $c000 0x4000
 DUMP_END