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(MESS) lola8a : added cassette

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This commit is contained in:
Robbbert 2013-09-16 12:05:53 +00:00
parent 61ef427f2f
commit aee9b74454
1 changed files with 27 additions and 6 deletions
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33
src/mess/drivers/lola8a.c
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@ -21,6 +21,8 @@
#include "cpu/i8085/i8085.h"
#include "video/mc6845.h"
#include "sound/ay8910.h"
#include "imagedev/cassette.h"
#include "sound/wave.h"
#define AY8910_TAG "g12"
#define HD46505SP_TAG "h45"
@ -30,8 +32,10 @@ class lola8a_state : public driver_device
{
public:
lola8a_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu") { }
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_cass(*this, "cassette")
{ }
required_device<cpu_device> m_maincpu;
@ -41,11 +45,14 @@ public:
DECLARE_READ8_MEMBER(lola8a_port_a_r);
DECLARE_WRITE8_MEMBER(lola8a_port_b_w);
DECLARE_WRITE_LINE_MEMBER(crtc_vsync);
DECLARE_READ_LINE_MEMBER(cass_r);
DECLARE_WRITE_LINE_MEMBER(cass_w);
DECLARE_READ8_MEMBER(keyboard_r);
private:
UINT8 m_portb;
required_device<cassette_image_device> m_cass;
};
static ADDRESS_MAP_START(lola8a_mem, AS_PROGRAM, 8, lola8a_state)
@ -215,6 +222,16 @@ WRITE8_MEMBER(lola8a_state::lola8a_port_b_w)
m_portb = data;
}
READ_LINE_MEMBER( lola8a_state::cass_r )
{
return (m_cass->input() < 0.03);
}
WRITE_LINE_MEMBER( lola8a_state::cass_w )
{
m_cass->output(state ? -1.0 : +1.0);
}
READ8_MEMBER(lola8a_state::keyboard_r)
{
static const char *const keynames[] =
@ -264,24 +281,28 @@ static MACHINE_CONFIG_START( lola8a, lola8a_state )
MCFG_CPU_ADD("maincpu", I8085A, XTAL_4_9152MHz)
MCFG_CPU_PROGRAM_MAP(lola8a_mem)
MCFG_CPU_IO_MAP(lola8a_io)
MCFG_I8085A_SID(READLINE(lola8a_state, cass_r))
MCFG_I8085A_SOD(WRITELINE(lola8a_state, cass_w))
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(AY8910_TAG, AY8910, XTAL_4_9152MHz / 4)
MCFG_SOUND_CONFIG(psg_intf)
MCFG_SOUND_ROUTE(ALL_OUTPUTS,"mono",1.0)
/* video hardware */
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_UPDATE_DEVICE(HD46505SP_TAG, hd6845_device, screen_update)
MCFG_SCREEN_SIZE(640, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
MCFG_MC6845_ADD(HD46505SP_TAG, HD6845, "screen", XTAL_8MHz / 8, hd46505sp_intf) // HD6845 == HD46505S
MCFG_PALETTE_LENGTH(8)
/* Cassette */
MCFG_CASSETTE_ADD( "cassette", default_cassette_interface )
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
/* ROM definition */