diff options
author | Robbbert <robbbert@users.noreply.github.com> | 2013-12-15 06:49:43 +0000 |
---|---|---|
committer | Robbbert <robbbert@users.noreply.github.com> | 2013-12-15 06:49:43 +0000 |
commit | 415e2cc8e974d39a210876410979c83c6b2432b4 (patch) | |
tree | 840052b9c50b27339c9abb77d3fcb1fd0cf4a193 /src | |
parent | 098d8d7d189fa3230c6956a0f935026021107d97 (diff) |
(MESS) v6809 : added rtc
Diffstat (limited to 'src')
-rw-r--r-- | src/mess/drivers/v6809.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/mess/drivers/v6809.c b/src/mess/drivers/v6809.c index f0cba64b587..83828a1da4e 100644 --- a/src/mess/drivers/v6809.c +++ b/src/mess/drivers/v6809.c @@ -31,10 +31,9 @@ M modify memory (. to exit) ToDo: - - Colours (a photo shows colours but the schematic doesn't - have any ram for colours). + - Colours (Looks like characters 0xc0-0xff produce coloured lores gfx). - - Connect the RTC. + - Connect the RTC interrupt pin (not supported currently) - Find the missing character generator rom. @@ -55,6 +54,7 @@ ToDo: #include "machine/6840ptm.h" #include "video/mc6845.h" #include "machine/6850acia.h" +#include "machine/mm58274c.h" #include "machine/keyboard.h" #include "sound/speaker.h" #include "machine/wd_fdc.h" @@ -107,7 +107,7 @@ static ADDRESS_MAP_START(v6809_mem, AS_PROGRAM, 8, v6809_state) AM_RANGE(0xf50c, 0xf50c) AM_MIRROR(0x36) AM_DEVREADWRITE("acia1", acia6850_device, status_read, control_write) // printer AM_RANGE(0xf50d, 0xf50d) AM_MIRROR(0x36) AM_DEVREADWRITE("acia1", acia6850_device, data_read, data_write) AM_RANGE(0xf600, 0xf603) AM_MIRROR(0x3c) AM_DEVREADWRITE("fdc", mb8876_t, read, write) - //AM_RANGE(0xf640, 0xf64f) AM_MIRROR(0x30) real time clock + AM_RANGE(0xf640, 0xf64f) AM_MIRROR(0x30) AM_DEVREADWRITE("rtc", mm58274c_device, read, write) AM_RANGE(0xf680, 0xf683) AM_MIRROR(0x3c) AM_DEVREADWRITE("pia0", pia6821_device, read, write) AM_RANGE(0xf6c8, 0xf6cf) AM_MIRROR(0x08) AM_DEVREADWRITE("ptm", ptm6840_device, read, write) AM_RANGE(0xf6d0, 0xf6d3) AM_MIRROR(0x0c) AM_DEVREADWRITE("pia1", pia6821_device, read, write) @@ -272,6 +272,7 @@ WRITE8_MEMBER( v6809_state::pa_w ) } // port A = drive select and 2 control lines ; port B = keyboard +// CB2 connects to the interrupt pin of the RTC (the rtc code doesn't support it) static const pia6821_interface pia0_intf = { DEVCB_NULL, /* port A input */ @@ -331,6 +332,18 @@ static SLOT_INTERFACE_START( v6809_floppies ) SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) SLOT_INTERFACE_END +//------------------------------------------------- +// mm58274c_interface rtc_intf +//------------------------------------------------- + +// this is all guess +static const mm58274c_interface rtc_intf = +{ + 0, /* mode 24*/ + 1 /* first day of week */ +}; + + // *** Machine **** static MACHINE_CONFIG_START( v6809, v6809_state ) @@ -364,6 +377,7 @@ static MACHINE_CONFIG_START( v6809, v6809_state ) MCFG_PTM6840_ADD("ptm", mc6840_intf) MCFG_ACIA6850_ADD("acia0", mc6850_intf) MCFG_ACIA6850_ADD("acia1", mc6850_intf) + MCFG_MM58274C_ADD("rtc", rtc_intf) MCFG_MB8876x_ADD("fdc", XTAL_16MHz / 16) MCFG_FLOPPY_DRIVE_ADD("fdc:0", v6809_floppies, "525dd", floppy_image_device::default_floppy_formats) MACHINE_CONFIG_END |