mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2025-02-25 14:29:14 +00:00
9f35f32f67
- massive overhaul of architecture - first round of optimizations - first draft of the technical manual for the entire library - reorganization of directory structure
41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
*``````````````````````````````*
|
|
* FPSTR (NATHAN RIGGS) *
|
|
* *
|
|
* PRINTS THE SPECIFIED STRING *
|
|
* AT GIVEN LOCATION TO THE *
|
|
* FILE OPEN AND SET TO BE *
|
|
* WRITTEN. *
|
|
* *
|
|
* INPUT: *
|
|
* *
|
|
* WPAR1 = STRING ADDRESS PTR *
|
|
* *
|
|
* OUTPUT: *
|
|
* *
|
|
* .A = STRING LENGTH *
|
|
* *
|
|
* DESTROY: AXYNVBDIZCMS *
|
|
* ^^^^^ ^^^ *
|
|
* *
|
|
* CYCLES: 38+ *
|
|
* SIZE: 25 BYTES *
|
|
*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
|
|
*
|
|
]SLEN EQU VARTAB ; STRING LENGTH
|
|
]ADDR EQU WPAR1 ; STRING ADDRESS POINTER
|
|
*
|
|
FPSTR
|
|
*
|
|
LDY #0 ; RESET INDEX
|
|
LDA (]ADDR),Y ; GET STRING LENGTH
|
|
STA ]SLEN ; STORE IN ]SLEN
|
|
:LP
|
|
INY ; INCREASE INDEX
|
|
LDA (]ADDR),Y ; GET CHARACTER
|
|
JSR FCOUT ; STORE IN FILE
|
|
CPY ]SLEN ; IF .Y != STRING LENGTH
|
|
BNE :LP ; THEN KEEP LOOPING
|
|
:EXIT
|
|
TYA ; STRING LENGTH TO .A
|
|
RTS
|