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read_id now clears status. I probably need to find a way to generalise this.

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This commit is contained in:
Thomas Harte 2017-08-14 09:58:55 -04:00
parent 0e083e9dc6
commit 7264fbb3d2
1 changed files with 3 additions and 2 deletions
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5
Components/8272/i8272.cpp
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@ -513,6 +513,7 @@ void i8272::posit_event(int event_type) {
printf("Read ID\n");
SET_DRIVE_HEAD_MFM();
LOAD_HEAD();
CLEAR_STATUS();
// Sets a maximum index hole limit of 2 then waits either until it finds a header mark or sees too many index holes.
// If a header mark is found, reads in the following bytes that produce a header. Otherwise branches to data not found.
@ -650,8 +651,6 @@ void i8272::posit_event(int event_type) {
// occurs in ::run_for; this merely establishes that seeking should be ongoing.
recalibrate:
seek:
printf((command_.size() > 2) ? "Seek\n" : "Recalibrate\n");
{
int drive = command_[1]&3;
@ -673,9 +672,11 @@ void i8272::posit_event(int event_type) {
// up in run_for understands to mean 'keep going until track 0 is active').
if(command_.size() > 2) {
drives_[drive].target_head_position = command_[2];
printf("Seek to %02x\n", command_[2]);
} else {
drives_[drive].target_head_position = -1;
drives_[drive].head_position = 0;
printf("Recalibrate\n");
}
// Check whether any steps are even needed; if not then mark as completed already.