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Archie tweaks.

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This commit is contained in:
sorgelig
2017-10-16 02:34:41 +08:00
parent c29b4ffd4c
commit 49c8c507f5
1 changed files with 4 additions and 9 deletions
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13
archie.c
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@@ -137,7 +137,7 @@ void archie_send_file(unsigned char id, char *name)
EnableFpga();
spi8(ARCHIE_FILE_TX_DAT);
spi_block_write(sector_buffer, 0);
spi_block_write(sector_buffer, 1);
DisableFpga();
// still bytes to send? read next sector
@@ -538,21 +538,20 @@ void archie_handle_fdc(void)
if (memcmp(status, old_status, 4) != 0)
{
archie_x_debugf("status changed to %x %x %x %x",
status[0], status[1], status[2], status[3]);
//archie_x_debugf("status changed to %x %x %x %x", status[0], status[1], status[2], status[3]);
memcpy(old_status, status, 4);
// top four bits must be magic marker 1010
if (((status[0] & 0xf0) == 0xa0) && (status[0] & 1))
{
archie_x_debugf("DIO: BUSY with commmand %lx", status[1]);
//archie_x_debugf("status changed to %x %x %x %x", status[0], status[1], status[2], status[3]);
//archie_x_debugf("DIO: BUSY with commmand %lx", status[1]);
// check for read sector command
if ((status[1] & 0xe0) == 0x80)
{
if (status[0] & 2)
{
printf("p0\n");
int floppy_map = status[3] >> 4;
int side = (status[2] & 0x80) ? 0 : 1;
int track = status[2] & 0x7f;
@@ -566,16 +565,12 @@ void archie_handle_fdc(void)
if (floppy_map == (0x0f ^ (1 << i)))
floppy_index = i;
printf("p1\n");
if (floppy_index < 0)
archie_x_debugf("DIO: unexpected floppy_map %x", floppy_map);
else
{
fileTYPE *f = &floppy[floppy_index];
printf("p2\n");
archie_x_debugf("DIO: floppy %d sector read SD%d T%d S%d -> %ld",
floppy_index, side, track, sector, lba);