hexed: vram transfer + early pc transfers

[megadrive.git] / hexed / transfer.h

diff --git a/hexed/transfer.h b/hexed/transfer.h
index 7db1e5e..118b752 100644 (file)
--- a/hexed/transfer.h
+++ b/hexed/transfer.h
@@ -1,14 +1,15 @@
 /* all data is big endian */
 
 #define CMD_PREFIX     0x5a
-#define CMD_MD_SEND    0xc1    /* send to MD:   addr[3], len[3], data[] */
-#define CMD_MD_RECV    0xc2    /* recv from MD: addr[3], len[3], data[] */
+#define CMD_PC_SEND    0xc1    /* send to MD:   addr[3], len[3], data[] */
+#define CMD_PC_RECV    0xc2    /* recv from MD: addr[3], len[3], data[] */
 #define CMD_JUMP       0xc3    /* jump to addr: addr[3] */
 #define CMD_IOSEQ      0xc4    /* perform i/o ops: count[2], [type[1], addr[3], data[{0,1,2,4}]]* */
 #define CMD_LOADSTATE  0xc5    /* load PD state: vram[64k], cram[128], vsram[128], vdp[32] */
-#define CMD_TEST       0xc6    /* test code */
+#define CMD_VRAM_RECV  0xc6    /* recv from MD: vram[64k] */
+#define CMD_TEST       0xc7    /* test code */
 
-#define CMD_FIRST      CMD_MD_SEND
+#define CMD_FIRST      CMD_PC_SEND
 #define CMD_LAST       CMD_TEST
 
 #define IOSEQ_R8       0xb0