80 lines
2.0 KiB
ArmAsm
80 lines
2.0 KiB
ArmAsm
;
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; Colin Leroy-Mira, 2025 <colin@colino.net>
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;
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; int __fastcall__ file_set_type(const char *pathname, unsigned char type);
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; int __fastcall__ file_set_auxtype(const char *pathname, unsigned int auxtype);
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;
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.export _file_set_type, _file_set_auxtype
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.import pushname, popname, mli_file_info_direct
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.import popa, popax
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.include "zeropage.inc"
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.include "errno.inc"
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.include "mli.inc"
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auxtype = tmp1
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type = tmp3
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mod_flag = tmp4
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UPDATE_TYPE = $00
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UPDATE_AUXTYPE = $FF
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_file_set_type:
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sta type
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ldy #UPDATE_TYPE
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sty mod_flag
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beq mli_update
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_file_set_auxtype:
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sta auxtype
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stx auxtype+1
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ldy #UPDATE_AUXTYPE
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sty mod_flag
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mli_update:
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; Get pathname
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jsr popax
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jsr pushname
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bne oserr
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; ProDOS 8 TechRef, 4.4.4: You should use
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; the GET_FILE_INFO call to read a file’s
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; attributes into a parameter list, modify
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; them as needed, and then use the same
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; parameter list for the SET_FILE_INFO call.
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jsr mli_file_info_direct
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; Bail if we could not get the information.
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bcs cleanup
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; Update type if needed
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bit mod_flag
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bmi :+
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lda type
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sta mliparam + MLI::INFO::FILE_TYPE
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jmp set_info
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: ; Otherwise update auxtype
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lda auxtype
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sta mliparam + MLI::INFO::AUX_TYPE
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lda auxtype+1
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sta mliparam + MLI::INFO::AUX_TYPE+1
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set_info:
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; Set file information
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lda #SET_INFO_CALL
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ldx #SET_INFO_COUNT
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jsr callmli
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cleanup:
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php ; Save return status
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jsr popname ; Preserves A
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plp
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bcs oserr
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rts
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oserr:
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jsr ___mappederrno
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sec
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rts
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