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myb3k_fdc.cpp: fixed and is now working

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This commit is contained in:
Joakim Larsson Edstrom 2017-12-22 16:14:06 +01:00
parent 9fcb286b67
commit 3e42d06e57
1 changed files with 17 additions and 15 deletions
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32
src/devices/bus/isa/myb3k_fdc.cpp
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@ -34,7 +34,7 @@
#define LOG_READ (1U << 1)
#define LOG_CMD (1U << 2)
//#define VERBOSE (LOG_GENERAL | LOG_CMD | LOG_READ)
//#define VERBOSE (LOG_GENERAL | LOG_CMD)
//#define LOG_OUTPUT_STREAM std::cout
#include "logmacro.h"
@ -221,12 +221,12 @@ WRITE_LINE_MEMBER( isa8_myb3k_fdc4711_device::drq_w )
//-------------------------------------------------
uint8_t isa8_myb3k_fdc4710_device::dack_r(int line)
{
return m_fdc->data_r();
return ~(m_fdc->data_r());
}
uint8_t isa8_myb3k_fdc4711_device::dack_r(int line)
{
return m_fdc->data_r();
return ~(m_fdc->data_r());
}
//-------------------------------------------------
@ -297,15 +297,16 @@ WRITE8_MEMBER( isa8_myb3k_fdc4711_device::myb3k_inv_fdc_data_w )
#define FDC_DRIVE_SEL 0x03
WRITE8_MEMBER( isa8_myb3k_fdc4710_device::myb3k_fdc_command )
{
data = ~data;
LOG("%s: %02x\n", FUNCNAME, data);
LOGCMD(" - Drive %d\n", data & FDC_DRIVE_SEL);
LOGCMD(" - Side %d\n", (data & FDC_SIDE_SEL) == 0 ? 0 : 1);
LOGCMD(" - Motor %s\n", (data & FDC_MOTOR_ON) ? "ON" : "OFF");
LOGCMD(" - Drive %d\n", ~data & FDC_DRIVE_SEL);
LOGCMD(" - Side %d\n", (data & FDC_SIDE_SEL) ? 0 : 1);
LOGCMD(" - Motor %s\n", (data & FDC_MOTOR_ON) ? "OFF" : "ON");
LOGCMD(" - Density %s\n", (data & FDC_DDEN) ? "FM" : "MFM");
floppy_image_device *floppy = nullptr;
switch(data & FDC_DRIVE_SEL)
switch(~data & FDC_DRIVE_SEL) // Y0-Y3 on a '139 maps to drive 4 to 1 respectively
{
case 0:floppy = m_fdd0->get_device(); break;
case 1:floppy = m_fdd1->get_device(); break;
@ -315,8 +316,8 @@ WRITE8_MEMBER( isa8_myb3k_fdc4710_device::myb3k_fdc_command )
{
LOGCMD(" - Floppy found\n");
m_fdc->set_floppy(floppy);
floppy->ss_w((data & FDC_SIDE_SEL) ? 1 : 0);
floppy->mon_w((data & FDC_MOTOR_ON) ? 0 : 1);
floppy->ss_w((data & FDC_SIDE_SEL) ? 0 : 1);
floppy->mon_w((data & FDC_MOTOR_ON) ? 1 : 0); // Active low and inverter on incomming data line
}
else
{
@ -327,15 +328,16 @@ WRITE8_MEMBER( isa8_myb3k_fdc4710_device::myb3k_fdc_command )
WRITE8_MEMBER( isa8_myb3k_fdc4711_device::myb3k_fdc_command )
{
data = ~data;
LOG("%s: %02x\n", FUNCNAME, data);
LOGCMD(" - Drive %d\n", data & FDC_DRIVE_SEL);
LOGCMD(" - Side %d\n", (data & FDC_SIDE_SEL) == 0 ? 0 : 1);
LOGCMD(" - Motor %s\n", (data & FDC_MOTOR_ON) ? "ON" : "OFF");
LOGCMD(" - Drive %d\n", ~data & FDC_DRIVE_SEL);
LOGCMD(" - Side %d\n", (data & FDC_SIDE_SEL) ? 0 : 1);
LOGCMD(" - Motor %s\n", (data & FDC_MOTOR_ON) ? "OFF" : "ON");
LOGCMD(" - Density %s\n", (data & FDC_DDEN) ? "FM" : "MFM");
floppy_image_device *floppy = nullptr;
switch(data & FDC_DRIVE_SEL)
switch(~data & FDC_DRIVE_SEL) // Y0-Y3 on a '139 maps to drive 4 to 1 respectively
{
case 0:floppy = m_fdd0->get_device(); break;
case 1:floppy = m_fdd1->get_device(); break;
@ -347,8 +349,8 @@ WRITE8_MEMBER( isa8_myb3k_fdc4711_device::myb3k_fdc_command )
{
LOGCMD(" - Floppy found\n");
m_fdc->set_floppy(floppy);
floppy->ss_w((data & FDC_SIDE_SEL) ? 1 : 0);
floppy->mon_w((data & FDC_MOTOR_ON) ? 0 : 1);
floppy->ss_w((data & FDC_SIDE_SEL) ? 0 : 1);
floppy->mon_w((data & FDC_MOTOR_ON) ? 1 : 0); // Active low and inverter on incomming data line
}
else
{