Mercurial > hg > Members > kono > nitros9-code
diff lib/alib/prints.as @ 2783:03f26e88b809 lwtools-port
Renamed files and setup for lwasm/lwlink work
author | Boisy Pitre <boisy.pitre@nuance.com> |
---|---|
date | Sat, 26 Jan 2013 17:18:24 -0600 |
parents | lib/alib/prints.a@aaba193af04f |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lib/alib/prints.as Sat Jan 26 17:18:24 2013 -0600 @@ -0,0 +1,40 @@ +*********************************** + +* Print a program-embedded, null terminated string to standard out. + +* OTHER MODULES NEEDED: puts + +* ENTRY: Null terminated string must follow PRINTS call +* eg: LBSR PRINTS +* fcc /this is stuff to print/ +* fcb $0d * a new line +* fcc /more stuff to print/ +* fcb $0d,0 the end +* lda #xx or whatever.. +* * the rest of the program.... + +* EXIT: CC carry set if error +* B error code (if any) + + + nam Print Embedded String to Std. Out + ttl Assembler Library Module + + + section .text + +PRINTS: + pshs x,u + ldx 4,s get start of string (old return address) + tfr x,u copy it + +loop + tst ,u+ advance U to end of string + bne loop + + stu 4,s one past null=return address + lbsr PUTS print from orig pos. + puls x,u,pc return to caller + + endsect +