Lines Matching refs:is
55 ;; usb interrupt : enable is EIE.0 (0xe8), flag is EXIF.4 (0x91)
208 ;; now presence pin is floating, simulating disconnect. wait 0.5s
259 ;; standard request: now main switch is on bRequest
268 ;; 00 is set baud, wValue[0] has baud rate index
276 ;; 01 is reserved for set bits (parity). TODO
280 ;; 02 is set HW flow control. TODO
284 ;; 03 is control pins (RTS, DTR).
289 ;; 04 is send break (really "turn break on/off"). TODO
310 ;; 05 is set desired interrupt bitmap. TODO
314 ;; 06 is query room
316 ;; 06, wValue[0]=0 is query write_room
323 ;; 06, wValue[0]=1 is query chars_in_buffer
332 ;; 07 is request tx unthrottle interrupt
333 mov tx_unthrottle_threshold, r3; wValue[0] is threshold value
348 ;; so return two zero bytes. This is reusable
445 ;; is to manually send out all of the data. The consequence of not
446 ;; using the workaround is that the strings gathered by the kernel
448 ;; leftover strings). Writing this out by hand is a nuisance, so for
470 ;; this is reusable
559 mov a, r3 ; wValue[0] holds new bits: b7 is new DTR, b2 is new RTS
739 ;; make sure the tx process is running.
742 ;; is there work to be done?
763 ;; step 2: is there now room?
767 ;; a is now write_room. If thresh >= a, we can unthrottle
822 ;; check if the inpipe is already running.
827 ;; see if there is any work to do. a serial interrupt might occur
839 movx @dptr, a ; in[0] signals that rest of IN is rx data
928 ;;; The "real" device id, which must match the host driver, is that
929 ;;; "0xcd 0x06 0x04 0x01" sequence, which is 0x06cd, 0x0104
947 ;; *that* is a pain in the ass to encode. And they are little-endian
976 ;; tx_ring_in+1 is where the next input byte will go