delete old design comment from ceb for detect

diff --git a/detpic/detect.asm b/detpic/detect.asm
index 6ebbd1aee35ee52c680f19b554ae9d3b4d95530a..318b45d43ca3a63201a454e385a7bb38eaecbdcb 100644 (file)
--- a/detpic/detect.asm
+++ b/detpic/detect.asm
@@ -425,103 +425,3 @@ read_detection_head_master_badmore
 
 ;======================================================================
  include final.inc
-
-
-
-;****************************************************************************
-
-        code
-
-;****************************************************************************
-; needs conditional for master
-
-; MASTER PIC
-; triggered whenever there is space in the serial buffer
-
-; reads detection data from subpics over i2c and sends new data out to
-; external computer
-
-
-
-
-
-; Associated registers etc.:
-; subpic s     ? bits          current subpic for dtction data retrieval
-; Psa-e                40 registers    current state of detection data from
-;                              ports a-e of all subpics (including self)
-; Csa-e                40 registers    current state of knowledge of
-;                              external computer
-; ???          ???             bits for keeping track of subpic #
-; ???          ???             bits for keeping track of detect msg creation
-;                              and posn in Psa-e checking
-; Ma-e         5 bytes         bitmask for reading detect data from ports
-
-
-
-; ask sub-pic s for data
-; (i.e. send i2c request - will need to work out how to differentiate this
-; from requests fior other data from subpics, or make a general routine to
-; handle all sorts of data a subpic might send back)
-
-; if no change, advance subpic # and return
-
-; if change, copy data from subpic x into xa-e
-
-; compare Psa-e with Csa-e
-
-; if no change, advance subpic # and return
-
-; if change, for each different bit, create detect msg & send to serial buffer
-; also flip state of bit in C
-
-; advance subpic # and return
-
-
-; NB for self, can skip i2c and just read straight from legs according to
-;  bitmask Ma-e
-
-; will need to use external routines for: i2c, serial_send
-
-
-
-
-;****************************************************************************
-; needs conditional for slave
-
-; SLAVE PIC
-; main loop of slave program
-
-; Reads from detection legs as defined by bitmasks Ma-e applied to ports a-e.
-; Writes the result into registers Pa-e. On i2c interrupt, checks that there
-; is new data to send to the master pic and if so sends it. Current state of
-; master's knowledge is stored in Ca-e for comparison with Pa-e.
-;
-; Associated registers etc.:
-; Pa-e         5 registers     data from detection legs
-; Ma-e         5 registers     bitmask defining detction legs
-; Ca-e         5 registers     current state of data held in master
-;                              for this slave pic
-; ???          1 bit           'something to send' y/n
-; ???          ?  bits         'currently reading from port' 1-5 (=a-e)
-
-; disable interrupts
-
-; read data from detection legs associated with current port
-
-; invert bits; OR with Pn; AND with Mn; store in Pn
-
-; compare Pn and Cn; if different, set 'something to send'
-
-; enable interrupts
-
-; advance port #
-
-; on i2c interrupt:
-; check 'something to send'
-; if=0, send 'no change' (precise message = ?)
-; if=1, clear 'something to send'; copy Pa-e -> Ca-e; blank Pa-e; write Ca-e
-; to i2c output buffer; start sending (check whether this will be sent
-; automatically or whether I will need to pay it attention);
-; return
-
-; will need to use external i2c send function/buffers, maybe?