Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-01 00:09:18 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

(MESS) cat.c: Fix a silly issue with the video ram mapping on the IAI Swyft; now it does visible I/O accesses; the peripherals need to be figured out and hooked up still. [Lord Nightmare]

Browse Source
This commit is contained in:
Jonathan Gevaryahu 2013-09-04 05:19:02 +00:00
parent e6e5054c87
commit 07f7fcbabf
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/mess/drivers/cat.c
View File

@ -168,7 +168,7 @@ ToDo:
what the writes actually do; hook these up properly to screen timing etc what the writes actually do; hook these up properly to screen timing etc
- Floppy drive (3.5", Single Sided Double Density MFM, ~400kb) - Floppy drive (3.5", Single Sided Double Density MFM, ~400kb)
* Cat has very low level control of data being read or written, much like * Cat has very low level control of data being read or written, much like
the Amiga does the Amiga or AppleII does
* first sector is id ZERO which is unusual since most MFM formats are base-1 * first sector is id ZERO which is unusual since most MFM formats are base-1
for sector numbering for sector numbering
* sectors are 512 bytes, standard MFM with usual address and data marks and * sectors are 512 bytes, standard MFM with usual address and data marks and
@ -187,8 +187,7 @@ ToDo:
- RS232C port and Modem "port" connected to the DUART's two ports - RS232C port and Modem "port" connected to the DUART's two ports
- DTMF generator chip (connected to DUART 'user output' pins OP4,5,6,7) - DTMF generator chip (connected to DUART 'user output' pins OP4,5,6,7)
- Correctly hook the duart interrupt to the 68k, including autovector using - Correctly hook the duart interrupt to the 68k, including autovector using
the vector register on the duart the vector register on the duart; this is currently hacked around.
(the actual duart code is too buggy for this to work right now 8/18/2013)
- Watchdog timer/powerfail at 0x85xxxx - Watchdog timer/powerfail at 0x85xxxx
- Canon Cat released versions known: 1.74 US (dumped), 2.40 US (dumped both - Canon Cat released versions known: 1.74 US (dumped), 2.40 US (dumped both
original compile, and Dwight's recompile from the released source code), original compile, and Dwight's recompile from the released source code),
@ -716,7 +715,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START(swyft_mem, AS_PROGRAM, 16, cat_state) static ADDRESS_MAP_START(swyft_mem, AS_PROGRAM, 16, cat_state)
ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00000000, 0x0000ffff) AM_ROM // 64 KB ROM AM_RANGE(0x00000000, 0x0000ffff) AM_ROM // 64 KB ROM
AM_RANGE(0x00040000, 0x000fffff) AM_RAM AM_SHARE("p_videoram") AM_RANGE(0x00040000, 0x000bffff) AM_RAM AM_SHARE("p_videoram")
ADDRESS_MAP_END ADDRESS_MAP_END
/* Input ports */ /* Input ports */
@ -916,7 +915,7 @@ UINT32 cat_state::screen_update_cat(screen_device &screen, bitmap_ind16 &bitmap,
TIMER_CALLBACK_MEMBER(cat_state::swyft_reset) TIMER_CALLBACK_MEMBER(cat_state::swyft_reset)
{ {
memset(m_maincpu->space(AS_PROGRAM).get_read_ptr(0xe2341), 0xff, 1); //memset(m_maincpu->space(AS_PROGRAM).get_read_ptr(0xe2341), 0xff, 1);
} }
MACHINE_START_MEMBER(cat_state,swyft) MACHINE_START_MEMBER(cat_state,swyft)