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(MESS) cat.c: update comments a bit, disable some debug code that got left on. (n/w)

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Jonathan Gevaryahu 2014-04-08 05:15:35 +00:00
parent 2738cab3d0
commit a8bfa45adf
1 changed files with 10 additions and 9 deletions
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19
src/mess/drivers/cat.c
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@ -282,10 +282,9 @@ ToDo:
data, though track 0 is just a disk "unique" identifier for the cat data, though track 0 is just a disk "unique" identifier for the cat
meaning 404480 usable bytes meaning 404480 usable bytes
* (Once the floppy is working I'd declare the system working) * (Once the floppy is working I'd declare the system working)
- WIP: Centronics port (not sure what is wrong right now, ip4 is never reading - Centronics port finishing touches: verify where the paper out, slct/err, and IPP pins map in memory
as high meaning nothing works; does our centronics implementation correctly
assert BUSY at all?)
- RS232C port and Modem "port" connected to the DUART's two ports - RS232C port and Modem "port" connected to the DUART's two ports
These are currently optionally debug-logged but don't connect anywhere
- 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)
- WIP: Watchdog timer/powerfail at 0x85xxxx (watchdog NMI needs to actually - WIP: Watchdog timer/powerfail at 0x85xxxx (watchdog NMI needs to actually
fire if wdt goes above a certain number, possibly 3, 7 or F?) fire if wdt goes above a certain number, possibly 3, 7 or F?)
@ -308,7 +307,7 @@ ToDo:
happens inside an asic) for the SVROMS (or the svram or the code roms, for happens inside an asic) for the SVROMS (or the svram or the code roms, for
that matter!) that matter!)
- Hook Battery Low input to a dipswitch. - Hook Battery Low input to a dipswitch.
- Hook pfail to a dipswitch? - Hook pfail to a dipswitch.
- Hook the floppy control register readback up properly, things seem to get - Hook the floppy control register readback up properly, things seem to get
confused. confused.
@ -341,7 +340,7 @@ ToDo:
#undef DEBUG_FLOPPY_DATA_R #undef DEBUG_FLOPPY_DATA_R
#undef DEBUG_FLOPPY_STATUS_R #undef DEBUG_FLOPPY_STATUS_R
#define DEBUG_PRINTER_DATA_W 1 #undef DEBUG_PRINTER_DATA_W
#undef DEBUG_PRINTER_CONTROL_W #undef DEBUG_PRINTER_CONTROL_W
#undef DEBUG_MODEM_R #undef DEBUG_MODEM_R
@ -353,7 +352,7 @@ ToDo:
// data sent to modem chip // data sent to modem chip
#undef DEBUG_DUART_TXB #undef DEBUG_DUART_TXB
#undef DEBUG_DUART_IRQ_HANDLER #undef DEBUG_DUART_IRQ_HANDLER
#define DEBUG_PRN_FF 1 #undef DEBUG_PRN_FF
#undef DEBUG_TEST_W #undef DEBUG_TEST_W
@ -820,7 +819,8 @@ WRITE16_MEMBER( cat_state::cat_opr_w )
* \--------- (unused?) * \--------- (unused?)
*/ */
#ifdef DEBUG_GA2OPR_W #ifdef DEBUG_GA2OPR_W
fprintf(stderr, "GA2 OPR (video ena/inv, watchdog, and phone relay) reg write: offset %06X, data %04X\n", 0x840000+(offset<<1), data); if (data != 0x001C)
fprintf(stderr, "GA2 OPR (video ena/inv, watchdog, and phone relay) reg write: offset %06X, data %04X\n", 0x840000+(offset<<1), data);
#endif #endif
if (data&0x08) m_wdt_counter = 0; if (data&0x08) m_wdt_counter = 0;
m_video_enable = BIT( data, 2 ); m_video_enable = BIT( data, 2 );
@ -834,7 +834,7 @@ WRITE16_MEMBER( cat_state::cat_opr_w )
* before each write to SVRAM, the forth code does NOT actually do that! * before each write to SVRAM, the forth code does NOT actually do that!
* *
* 76543210 * 76543210
* ??????\\-- Watchdog count? (counts upward? if this reaches <some unknown number greater than 2> the watchdog fires? writing bit 3 set to opr above resets this) * ??????\\-- Watchdog count? (counts upward? if this reaches <some unknown number greater than 3> the watchdog fires? writing bit 3 set to opr above resets this)
* *
* FEDCBA98 * FEDCBA98
* |||||||\-- PFAIL state (MB3771 comparator: 1: vcc = 5v; 0: vcc != 5v, hence do not write to svram!) * |||||||\-- PFAIL state (MB3771 comparator: 1: vcc = 5v; 0: vcc != 5v, hence do not write to svram!)
@ -1673,7 +1673,8 @@ ROM_START( cat )
ROMX_LOAD( "boulth1.ic5", 0x20000, 0x10000, CRC(bed1f761) SHA1(d177e1d3a39b005dd94a6bda186221d597129af4), ROM_SKIP(1) | ROM_BIOS(1)) ROMX_LOAD( "boulth1.ic5", 0x20000, 0x10000, CRC(bed1f761) SHA1(d177e1d3a39b005dd94a6bda186221d597129af4), ROM_SKIP(1) | ROM_BIOS(1))
/* This 2.40 code was compiled by Dwight Elvey based on the v2.40 source /* This 2.40 code was compiled by Dwight Elvey based on the v2.40 source
* code disks recovered around 2004. It does NOT exactly match the above * code disks recovered around 2004. It does NOT exactly match the above
* set exactly but has a few small differences. * set exactly but has a few small differences. One of the printer drivers
* may have been replaced by Dwight with an HP PCL4 driver.
* It is as of yet unknown whether it is earlier or later code than the * It is as of yet unknown whether it is earlier or later code than the
* set above. * set above.
*/ */