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Merge pull request #120 from p1pkin/jvs

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JVS host: real fix for "CRC errors"
This commit is contained in:
Olivier Galibert 2015-01-28 14:51:36 +01:00
commit 8027024f69
3 changed files with 25 additions and 17 deletions
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22
src/emu/machine/jvshost.c
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@ -48,17 +48,13 @@ void jvs_host::commit_raw()
// - have the message length without the two header bytes but with the checksum byte in the second byte
// - have at least one command byte
if(send_size < 3 || send_buffer[0] == 0x00 || send_buffer[1] != send_size-1) {
logerror("JVS checksum error\n");
} /*
Naomi suchie3 have bad working controls with this
// "This message is crap" doesn't exist so call it checksum error
recv_buffer[0] = 0x00;
recv_buffer[1] = 0x02;
recv_buffer[2] = 0x03;
recv_size = 3;
} else */ {
logerror("JVS checksum error\n");
// "This message is crap" doesn't exist so call it checksum error
recv_buffer[0] = 0x00;
recv_buffer[1] = 0x02;
recv_buffer[2] = 0x03;
recv_size = 3;
} else {
if(first_device) {
first_device->message(send_buffer[0], send_buffer+2, send_size-2, recv_buffer+2, recv_size);
recv_is_encoded = false;
@ -146,7 +142,7 @@ void jvs_host::decode(UINT8 *buffer, UINT32 &size)
if(!size)
return;
UINT32 pos = 0;
for(UINT32 i=0; i<size-1; i++) {
for(UINT32 i=0; i<size; i++) {
UINT8 t = buffer[i];
if(!i && t == 0xe0)
continue;
@ -156,5 +152,5 @@ void jvs_host::decode(UINT8 *buffer, UINT32 &size)
}
buffer[pos++] = t;
}
size = pos;
size = pos ? pos - 1 : 0;
}

18
src/mame/machine/mie.c
View File

@ -33,8 +33,9 @@ static ADDRESS_MAP_START( mie_port, AS_IO, 8, mie_device)
AM_RANGE(0x00, 0x07) AM_READWRITE(gpio_r, gpio_w)
AM_RANGE(0x08, 0x08) AM_READWRITE(gpiodir_r, gpiodir_w)
AM_RANGE(0x0f, 0x0f) AM_READWRITE(adc_r, adc_w)
AM_RANGE(0x10, 0x10) AM_READWRITE(jvs_r, jvs_w)
AM_RANGE(0x10, 0x10) AM_READWRITE(jvs_r, jvs_w) // ports 1x and 2x is standard UARTs, TODO handle it properly
AM_RANGE(0x12, 0x12) AM_WRITE(jvs_dest_w)
AM_RANGE(0x13, 0x13) AM_WRITE(jvs_lcr_w)
AM_RANGE(0x15, 0x15) AM_READ(jvs_status_r)
AM_RANGE(0x30, 0x30) AM_READWRITE(irq_enable_r, irq_enable_w)
AM_RANGE(0x50, 0x50) AM_READWRITE(maple_irqlevel_r, maple_irqlevel_w)
@ -319,6 +320,9 @@ WRITE8_MEMBER(mie_device::lreg_w)
READ8_MEMBER(mie_device::jvs_r)
{
if (jvs_lcr & 0x80)
return 0;
const UINT8 *buf;
UINT32 size;
jvs->get_encoded_reply(buf, size);
@ -329,9 +333,10 @@ READ8_MEMBER(mie_device::jvs_r)
WRITE8_MEMBER(mie_device::jvs_w)
{
// Hack until the ports are better understood
if(jvs_dest == 2)
jvs->push(data);
if (jvs_lcr & 0x80)
return;
jvs->push(data);
}
WRITE8_MEMBER(mie_device::jvs_dest_w)
@ -359,6 +364,11 @@ WRITE8_MEMBER(mie_device::jvs_control_w)
jvs_control = data;
}
WRITE8_MEMBER(mie_device::jvs_lcr_w)
{
jvs_lcr = data;
}
READ8_MEMBER(mie_device::jvs_sense_r)
{
return 0x8c | (jvs->get_address_set_line() ? 2 : 0) | (jvs->get_presence_line() ? 0 : 1);

2
src/mame/machine/mie.h
View File

@ -61,6 +61,7 @@ public:
DECLARE_READ8_MEMBER(jvs_status_r);
DECLARE_WRITE8_MEMBER(jvs_control_w);
DECLARE_READ8_MEMBER(jvs_sense_r);
DECLARE_WRITE8_MEMBER(jvs_lcr_w);
DECLARE_READ8_MEMBER(read_ff);
DECLARE_READ8_MEMBER(read_00);
@ -106,6 +107,7 @@ private:
UINT8 gpiodir, gpio_val[8];
UINT8 irq_enable, irq_pending, maple_irqlevel;
UINT8 jvs_control, jvs_dest;
UINT8 jvs_lcr;
void raise_irq(int level);
void recalc_irq();