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avra: rename AGAIN, to AGAIN?,

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AGAIN, becomes a shortcut for "' RJMP AGAIN?,"
This commit is contained in:
Virgil Dupras 2020-05-19 10:36:07 -04:00
parent 7a41c5c6f9
commit ac309bbd9e
2 changed files with 13 additions and 13 deletions
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4
blk/671
View File

@ -10,6 +10,6 @@
( L1 FLBL, .. L1 ' RJMP FLBL! )
: FLBL, ( l -- ) LBL! 0 A,, ;
: FLBL! ( l opw -- ) SWAP @ TO, ;
: BEGIN, PC ;
: AGAIN, ( op ) SWAP 1- SWAP EXECUTE A,, ;
: BEGIN, PC ; : AGAIN?, ( op ) SWAP 1- SWAP EXECUTE A,, ;
: AGAIN, ['] RJMP AGAIN?, ;
: IF, ['] BREQ SKIP, ; : THEN, TO, ;

22
recipes/sms/kbd/ps2ctl.fs
View File

@ -210,7 +210,7 @@ BEGIN,
20 LSL,
PORTB CP SBI,
16 DEC,
' BRNE AGAIN, ( not zero yet? loop )
' BRNE AGAIN?, ( not zero yet? loop )
( release PS/2 )
DDRB DATA CBI,
SEI,
@ -239,7 +239,7 @@ L2 ' RCALL LBL, ( resetTimer )
BEGIN,
16 TIFR IN,
16 1 ( TOV0 ) SBRS,
' RJMP AGAIN,
AGAIN,
( Good, 100us passed. )
( Pull Data low, that's our start bit. )
PORTB DATA CBI,
@ -257,36 +257,36 @@ DDRB CLK CBI, ( Should be starting high now. )
BEGIN,
( Wait for CLK to go low )
BEGIN, PINB CLK SBIC, ' RJMP AGAIN,
BEGIN, PINB CLK SBIC, AGAIN,
( set up DATA )
PORTB DATA CBI,
19 0 SBRC, ( skip if LSB is clear )
PORTB DATA SBI,
19 LSR,
( Wait for CLK to go high )
BEGIN, PINB CLK SBIS, ' RJMP AGAIN,
BEGIN, PINB CLK SBIS, AGAIN,
16 DEC,
' BRNE AGAIN, ( not zero? loop )
' BRNE AGAIN?, ( not zero? loop )
( Data was sent, CLK is high. Let's send parity )
19 1 MOV, ( recall saved value )
L6 FLBL, ( RCALL checkParity )
( Wait for CLK to go low )
BEGIN, PINB CLK SBIC, ' RJMP AGAIN,
BEGIN, PINB CLK SBIC, AGAIN,
( set parity bit )
PORTB DATA CBI,
16 0 SBRC, ( parity bit in r16 )
PORTB DATA SBI,
( Wait for CLK to go high )
BEGIN, PINB CLK SBIS, ' RJMP AGAIN,
BEGIN, PINB CLK SBIS, AGAIN,
( Wait for CLK to go low )
BEGIN, PINB CLK SBIC, ' RJMP AGAIN,
BEGIN, PINB CLK SBIC, AGAIN,
( We can now release the DATA line )
DDRB DATA CBI,
( Wait for DATA to go low, that's our ACK )
BEGIN, PINB DATA SBIC, ' RJMP AGAIN,
BEGIN, PINB DATA SBIC, AGAIN,
( Wait for CLK to go low )
BEGIN, PINB CLK SBIC, ' RJMP AGAIN,
BEGIN, PINB CLK SBIC, AGAIN,
( We're finished! Enable INT0, reset timer, everything back to
normal! )
L2 ' RCALL LBL, ( resetTimer )
@ -320,6 +320,6 @@ BEGIN,
19 LSR,
' BRCC SKIP, 16 INC, ( carry set? we had a 1 ) TO,
19 TST, ( is r19 zero yet? )
' BRNE AGAIN, ( no? loop )
' BRNE AGAIN?, ( no? loop )
16 0x1 ANDI,
RET,