diff options
author | Happy <Happy-yappH@users.noreply.github.com> | 2016-03-01 11:34:33 -0700 |
---|---|---|
committer | Happy <Happy-yappH@users.noreply.github.com> | 2016-03-01 11:34:33 -0700 |
commit | c1f0ae29e28db10c27ea7c48f7d0708b1ad48bbf (patch) | |
tree | 7f8e7d91faa0358bfd5231cb4271f7def1f6ea63 /src/mame/drivers/n64.cpp | |
parent | 023de5734c9862ec39fa6f9c77f4f0c2835dec4e (diff) |
Few miscellaneous N64 changes / improvements
Change MemPak formatting code to better document actual format
Do not adjust screen timings when VI blank video mode set
PIF reportedly only clears top bit of status byte
DD read fail needs to mask against *head* as well as track
Diffstat (limited to 'src/mame/drivers/n64.cpp')
-rw-r--r-- | src/mame/drivers/n64.cpp | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/src/mame/drivers/n64.cpp b/src/mame/drivers/n64.cpp index 757f87e159a..770c42a6a09 100644 --- a/src/mame/drivers/n64.cpp +++ b/src/mame/drivers/n64.cpp @@ -266,16 +266,33 @@ void n64_mess_state::mempak_format(UINT8* pak) 0xff,0xff,0xff,0xff, 0x05,0x1a,0x5f,0x13, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0x01,0xff, 0x66,0x25,0x99,0xcd, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x00,0x71,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03 + 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00 }; - for (int i = 0; i < 0x8000; i += 2) + unsigned char pak_inode_table[] = { - pak[i+0] = 0x00; - pak[i+1] = 0x03; - } - memcpy(pak, pak_header, 272); + 0x01,0x71,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, + 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03, 0x00,0x03,0x00,0x03 + }; + + memset(pak, 0, 0x8000); + memcpy(pak, pak_header, 256); + memcpy(pak+256, pak_inode_table, 256); // Main + memcpy(pak+512, pak_inode_table, 256); // Mirror } DEVICE_IMAGE_LOAD_MEMBER(n64_mess_state,n64_cart) |