AppleIIAsm-Collection/disks/disk6_fileio/T.BINSAVE
nathanriggs 03636aa196 FileIO 0.2.0 updates
- various bugfixes
- integrated required library
- created minified sources
- made macros slightly more flexible
2018-12-24 02:14:04 -06:00

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*
*``````````````````````````````*
* BINSAVE :: BINARY SAVE *
*- -*
* SIMPLY DOES A BINARY SAVE *
* WITH THE COMMAND LINE PARAMS *
* SPECIFIED IN THE STRING AT *
* THE GIVEN ADDRESS. *
*- -*
* CLOBBERS: *
* *
* FLAGS: ????---- REG: AXYM *
*- -*
* CYCLES: ??? *
* SIZE: *
*- -*
* USAGE: *
* *
* LDA #>SADDR ; STRING ADDR *
* PHA *
* LDA #<SADDR *
* PHA *
* JSR BINSAVE *
*- -*
* ENTRY *
* *
* TOP OF STACK *
* *
* LOW BYTE OF RETURN ADDRESS *
* HI BYTE OF RETURN ADDRESS *
* LO BYTE OF STRING ADDRESS *
* HI BYTE OF STRING ADDRESS *
*- -*
* EXIT *
* *
* TOP OF STACK *
* *
* LOW BYTE OF RETURN ADDRESS *
* HI BYTE OF RETURN ADDRESS *
* *
* .Y = UNCHANGED *
* .X = UNCHANGED *
* .A = CLOBBERED; TRASH *
*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
*
BINSAVE
*
** GET RETURN ADDRESS
*
PLA
STA RETADR
PLA
STA RETADR+1
*
** GET PARAMETERS
*
PLA
STA ADDR2 ; CMD STRING ADDR
PLA
STA ADDR2+1
*
LDA #$8D
JSR FCOUT
LDA #$84 ; CTRL-D
JSR FCOUT
LDA #$C2 ; B
JSR FCOUT
LDA #$D3 ; S
JSR FCOUT
LDA #$C1 ; A
JSR FCOUT
LDA #$D6 ; V
JSR FCOUT
LDA #$C5 ; E
JSR FCOUT
LDA #$A0 ; [SPACE]
JSR FCOUT
*
** NOW SEND STRING TO COUT
*
LDY #0
LDA (ADDR2),Y
STA :SLEN
LDY #1
:LP
LDA (ADDR2),Y
JSR FCOUT
INY
CPY :SLEN
BCC :LP
BEQ :LP
*
** NOW PRESS RETURN AND PRAY
*
LDA #$8D
JSR FCOUT
*
** RESTORE RETURN ADDRESS
*
LDA RETADR+1
PHA
LDA RETADR
PHA
*
RTS
*
** DATA
*
:SLEN DS 1
*