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3b2: Tighten floppy timing

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This change fixes a critical floppy booting issue.
This commit is contained in:
Seth Morabito 2018-05-22 15:23:51 -07:00
parent 92fce4d9b9
commit d725954568
1 changed files with 6 additions and 8 deletions
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14
3B2/3b2_if.c
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@ -53,16 +53,14 @@ double if_start_time;
*
* 80 * 9 * 2 * 512 = 720KB
*
* The clock on pin 24 runs at 1.000 MHz, meaning that each
* step is 6ms and head settling time is 30ms.
*/
#define IF_STEP_DELAY 6000 /* us */
#define IF_R_DELAY 85000 /* us */
#define IF_W_DELAY 90000 /* us */
#define IF_VERIFY_DELAY 30000 /* us */
#define IF_HLD_DELAY 80000 /* us */
#define IF_HSW_DELAY 60000 /* us */
#define IF_STEP_DELAY 3000 /* us */
#define IF_R_DELAY 65000 /* us */
#define IF_W_DELAY 70000 /* us */
#define IF_VERIFY_DELAY 20000 /* us */
#define IF_HLD_DELAY 60000 /* us */
#define IF_HSW_DELAY 40000 /* us */
UNIT if_unit = {
UDATA (&if_svc, UNIT_FIX+UNIT_ATTABLE+UNIT_BUFABLE+