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shave some bytes
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4am
parent
d435feef86
commit
9ecb49331b
73
src/mli.a
73
src/mli.a
@ -42,11 +42,12 @@ ERR_EXIST = $47
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;
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; in: ProDOS is in memory
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; caller has filled @mliparam with address of
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; pathname, address of data buffer, and maximum
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; data length
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; pathname, address of data buffer, and maximum
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; data length
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; out: if C set, open failed and A contains error code
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; if C clear, open succeeded and A contains
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; file reference number
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; file reference number
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; preserves X
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; ProDOS is in memory
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;-------------------------------
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OpenFile
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@ -62,12 +63,15 @@ OpenFile
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;-------------------------------
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; read an open file via ProDOS MLI
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;
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; in: A = file reference number
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; caller has filled @mliparam with address of
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; in: ProDOS is in memory
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; A = file reference number
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; caller has filled @mliparam with address of
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; data buffer and maximum data length
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; out: if C set, read failed and A contains error code
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; if C clear, read succeeded and A contains the same
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; out: if C set, read failed and A contains error code
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; if C clear, read succeeded and A contains the same
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; file reference number that was passed in
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; preserves X
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; ProDOS is in memory
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;-------------------------------
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ReadFile
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sta mliparam+1 ; store file reference number
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@ -82,12 +86,13 @@ JsrMLIAndReturnPlus1
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;-------------------------------
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; change file position in an open file via ProDOS MLI
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;
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; in: A = file reference number
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; caller has filled @mliparam+2/+3/+4 with
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; in: A = file reference number
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; caller has filled @mliparam+2/+3/+4 with
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; new file position
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; out: if C set, set_mark call failed and A contains error code
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; if C clear, set_mark call succeeded and A contains
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; out: if C set, set_mark call failed and A contains error code
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; if C clear, set_mark call succeeded and A contains
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; the same file reference number that was passed in
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; preserves X
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;-------------------------------
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SetMark
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sta mliparam+1 ; store file reference number
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@ -98,12 +103,13 @@ SetMark
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;-------------------------------
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; write to an open file via ProDOS MLI
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;
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; in: A = file reference number
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; caller has filled @mliparam with address of
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; in: A = file reference number
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; caller has filled @mliparam with address of
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; data buffer and data length
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; out: if C set, write failed and A contains error code
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; if C clear, write succeeded and A contains the same
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; out: if C set, write failed and A contains error code
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; if C clear, write succeeded and A contains the same
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; file reference number that was passed in
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; preserves X
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;-------------------------------
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WriteFile
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sta mliparam+1 ; store file reference number
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@ -114,12 +120,13 @@ WriteFile
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;-------------------------------
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; set file size in an open file via ProDOS MLI
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;
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; in: A = file reference number
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; caller has filled @mliparam+2/+3/+4 with
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; in: A = file reference number
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; caller has filled @mliparam+2/+3/+4 with
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; new file size
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; out: if C set, set_eof call failed and A contains error code
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; if C clear, set_eof call succeeded and A contains
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; out: if C set, set_eof call failed and A contains error code
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; if C clear, set_eof call succeeded and A contains
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; the same file reference number that was passed in
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; preserves X
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;-------------------------------
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SetEOF
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sta mliparam+1 ; store file reference number
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@ -129,11 +136,13 @@ SetEOF
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;-------------------------------
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; get volume name of disk in specific slot+drive
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; in: A = unit number (DSSS0000)
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; out: if no disk in drive or any MLI error, C set and A contains error code
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; if disk found, C clear and @VolumeName contains volume name
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; (up to 15 character name, no leading slash)
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; note: lower 4 bits of @OnlineReturn contain length of @VolumeName
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;
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; in: A = unit number (DSSS0000)
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; out: if no disk in drive or any MLI error, C set and A contains error code
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; if disk found, C clear and @VolumeName contains volume name
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; (up to 15 character name, no leading slash)
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; note: lower 4 bits of @OnlineReturn contain length of @VolumeName
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; preserves X
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;-------------------------------
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GetVolumeName
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sta mliparam+1
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@ -145,11 +154,11 @@ GetVolumeName
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;-------------------------------
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; check if volume is online
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; using ProDOS MLI
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; in: caller has filled @mliparam
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; with unit number
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; out: if error, C set and A contains error code
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; if success, C clear
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;
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; in: caller has filled @mliparam with unit number
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; out: if error, C set and A contains error code
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; if success, C clear
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; preserves X
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;-------------------------------
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Online
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lda #CMD_ONLINE
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@ -158,12 +167,13 @@ Online
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;-------------------------------
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; query volume information
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; using ProDOS MLI
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;
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; in: @OnlineReturn+@VolumeName contain the length+name of the volume to query
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; (this will be true if you just called GetVolumeName)
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; out: if error, C set and A contains error code
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; if success, C clear and MLI buffer is filled
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; (access, file type, block count, dates and times)
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; clobbers X/Y
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;-------------------------------
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GetVolumeInfo
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lda OnlineReturn
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@ -214,6 +224,7 @@ mlicmd !byte 00 ; command number
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; A = file reference number
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; out: if error, C set and A contains error code
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; if success, C clear
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; preserves X
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; ProDOS is in memory
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;-------------------------------
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CloseFile
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@ -230,6 +241,7 @@ CloseFile
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; caller has filled @mliparam+1 with address of pathname
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; out: if error, C set and A contains error code
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; if success, C clear
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; preserves X
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; ProDOS is in memory
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;-------------------------------
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DeleteFile
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@ -246,6 +258,7 @@ DeleteFile
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; in: caller has filled @mliparam+1 with address of pathname
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; out: if error, C set and A contains error code
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; if success, C clear and A clobbered
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; preserves X
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;-------------------------------
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CreateDir
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lda #$0D
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@ -124,15 +124,14 @@ WriteTrackSecondPass
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Create140KFile
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jsr CreateBinFile
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bcs @exit
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lda #$00
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sta mliparam+3 ; io_buffer at address $0800
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ldx #$00
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stx mliparam+3 ; io_buffer at address $0800
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lda #$08
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sta mliparam+4
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jsr OpenFile
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bcs @deleteAndReturn
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ldx #$00
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stx mliparam+2
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stx mliparam+2 ; X=0 here
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ldx #$30
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stx mliparam+3
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ldx #$02
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