Use BI's buffers. Add ECHO, that shows INBUF problem
This commit is contained in:
Joshua Bell
parent
e612444c4b
commit
76178cf0a8
3
Makefile
3
Makefile
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@ -5,7 +5,8 @@ CCFLAGS = --config apple2-asm.cfg
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OUTDIR = out
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TARGETS = $(OUTDIR)/path.BIN $(OUTDIR)/bell.CMD $(OUTDIR)/hello.CMD
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TARGETS = $(OUTDIR)/path.BIN \
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$(OUTDIR)/bell.CMD $(OUTDIR)/hello.CMD $(OUTDIR)/echo.CMD
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.PHONY: clean all
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all: $(OUTDIR) $(TARGETS)
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@ -0,0 +1,22 @@
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.include "apple2.inc"
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CROUT := $FD8E
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COUT := $FDED
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INBUF := $200
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.org $4000
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jsr CROUT
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ldx #cmd_length
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: lda INBUF,x
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inx
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jsr COUT
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cmp #$8D
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bne :-
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rts
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cmd_length = .strlen("echo")
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112
path.s
112
path.s
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@ -245,60 +245,30 @@ not_ours:
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;;; ============================================================
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cmd_path_buffer := $280
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.proc get_file_info_params
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param_count: .byte $A
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pathname: .addr cmd_path_buffer
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access: .byte 0
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file_type: .byte 0
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aux_type: .word 0
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storage_type: .byte 0
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blocks_used: .word 0
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mod_date: .word 0
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mod_time: .word 0
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create_date: .word 0
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create_time: .word 0
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.endproc
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.proc open_params
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param_count: .byte 3
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pathname: .addr cmd_path_buffer
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io_buffer: .addr 0
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ref_num: .byte 0
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.endproc
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.proc read_params
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param_count: .byte 4
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ref_num: .byte 0
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data_buffer: .addr cmd_load_addr
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request_count: .word max_cmd_size
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trans_count: .word 0
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.endproc
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.proc close_params
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param_count: .byte 1
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ref_num: .byte 0
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.endproc
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maybe_invoke:
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lda VPATH1
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sta ptr
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lda VPATH1+1
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sta ptr+1
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;; Compose path
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ldx #0
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ldy #1
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page_num12 := *+2 ; address needing updating
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: lda path_buffer+1,x
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sta cmd_path_buffer+1,x
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inx
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sta (ptr),y
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iny
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page_num14 := *+2 ; address needing updating
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cpx path_buffer
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bne :-
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lda #'/'
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sta cmd_path_buffer+1,x
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inx
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sta (ptr),y
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iny
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ldy #0
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: lda INBUF,y
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ldx #0
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: lda INBUF,x
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and #$7F
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cmp #'.'
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beq ok
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@ -315,18 +285,22 @@ maybe_invoke:
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cmp #'z'+1
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bcs notok
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ok: sta cmd_path_buffer+1,x
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ok: sta (ptr),y
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iny
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inx
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cpx #65 ; Maximum path length+1
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bcc :-
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bcs fail_gfi
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notok: stx cmd_path_buffer
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notok: dey
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tya
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ldy #0
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sta (ptr),y
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;; Check to see if path exists.
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page_num19 := *+5
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MLI_CALL GET_FILE_INFO, get_file_info_params
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lda #$A ; param length
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sta SSGINFO
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MLI_CALL GET_FILE_INFO, SSGINFO
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beq :+
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fail_gfi:
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@ -334,8 +308,7 @@ fail_gfi:
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rts
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;; Check to see if type is CMD.
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page_num23 := *+2
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: lda get_file_info_params::file_type
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: lda FIFILID
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cmp #$F0 ; CMD
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bne fail_gfi ; wrong type - ignore it
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@ -357,27 +330,33 @@ fail_gfi:
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bcc :+
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lda #$C ; NO BUFFERS AVAILABLE
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rts
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page_num27 := *+2
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: sta open_params::io_buffer+1
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: sta OSYSBUF+1
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;; Now try to open/read/close and invoke it
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page_num20 := *+5
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MLI_CALL OPEN, open_params
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MLI_CALL OPEN, SOPEN
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bne fail_load
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page_num24 := *+2
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lda open_params::ref_num
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page_num25 := *+2
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sta read_params::ref_num
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page_num26 := *+2
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sta close_params::ref_num
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lda OREFNUM
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sta RWREFNUM
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sta CFREFNUM
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page_num21 := *+5
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MLI_CALL READ, read_params
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lda #<cmd_load_addr
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sta RWDATA
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lda #>cmd_load_addr
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sta RWDATA+1
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lda #<max_cmd_size
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sta RWCOUNT
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lda #>max_cmd_size
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sta RWCOUNT+1
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MLI_CALL READ, SREAD
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bne fail_load
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page_num22 := *+5
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MLI_CALL CLOSE, close_params
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;; CLOSE call trashes INBUF ????
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MLI_CALL CLOSE, SCLOSE
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jsr FREEBUFR
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;; Invoke command
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@ -483,13 +462,4 @@ relocation_table:
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.addr handler::page_num12
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.addr handler::page_num14
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.addr handler::page_num18
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.addr handler::page_num19
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.addr handler::page_num20
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.addr handler::page_num21
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.addr handler::page_num22
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.addr handler::page_num23
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.addr handler::page_num24
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.addr handler::page_num25
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.addr handler::page_num26
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.addr handler::page_num27
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table_end := *
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14
prodos.inc
14
prodos.inc
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@ -60,9 +60,21 @@ GOSYSTEM := $BE70 ; Use instead of MLI
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XRETURN := $BE9E ; Handy RTS
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SSGINFO := $BEB4 ; Get Info Parameter block
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SSGINFO := $BEB4 ; GET_FILE_INFO Parameter block
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FIFILID := $BEB8 ; (set size $A)
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SOPEN := $BECB ; OPEN
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OSYSBUF := $BECE
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OREFNUM := $BED0
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SREAD := $BED5 ; READ
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RWREFNUM := $BED6
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RWDATA := $BED7
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RWCOUNT := $BED9
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SCLOSE := $BEDD ; CLOSE
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CFREFNUM := $BEDE
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GETBUFR := $BEF5
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FREEBUFR := $BEF8
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RSHIMEM := $BEFB
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