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434c8d5c0d
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2860a10f71
@ -1,4 +1,6 @@
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; *** Requirements ***
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; BLOCKDEV_SIZE
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; FS_HANDLE_SIZE
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; _blkGetB
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; _blkPutB
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; _blkSeek
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@ -31,7 +31,6 @@
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; _blkSeek
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; _blkTell
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; printstr
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; printcrlf
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.inc "user.h"
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@ -287,5 +287,11 @@ _ioIncBlk:
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; call printstr followed by newline
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ioPrintLN:
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push hl
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call printstr
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jp printcrlf
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ld hl, .sCRLF
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call printstr
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pop hl
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ret
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.sCRLF:
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.db 0x0a, 0x0d, 0
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@ -26,7 +26,6 @@ jp _blkPutB
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jp _blkSeek
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jp _blkTell
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jp printstr
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jp printcrlf
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.inc "core.asm"
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.inc "str.asm"
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Binary file not shown.
@ -1,5 +1,7 @@
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.org 0x4800 ; in sync with USER_CODE in glue.asm
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.equ USER_RAMSTART 0x6000
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.equ FS_HANDLE_SIZE 8
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.equ BLOCKDEV_SIZE 8
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; *** JUMP TABLE ***
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.equ strncmp 0x03
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@ -15,4 +17,3 @@
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.equ _blkSeek @+3
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.equ _blkTell @+3
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.equ printstr @+3
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.equ printcrlf @+3
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Binary file not shown.
3
recipes/trs80/.gitignore
vendored
3
recipes/trs80/.gitignore
vendored
@ -1,3 +0,0 @@
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/cfsin/user.h
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/cfsin/zasm
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/cfsin/ed
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@ -1,30 +1,10 @@
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SHELLAPPS = zasm ed
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APPTARGETS = ${SHELLAPPS:%=cfsin/%}
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CFSTARGETS = $(APPTARGETS) cfsin/user.h
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TARGET = os.bin
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BASEDIR = ../..
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ZASM = $(BASEDIR)/emul/zasm/zasm
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KERNEL = $(BASEDIR)/kernel
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APPS = $(BASEDIR)/apps
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CFSPACK = $(BASEDIR)/tools/cfspack/cfspack
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.PHONY: all
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all: $(TARGET) floppy.cfs
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all: $(TARGET)
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$(TARGET): glue.asm
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$(ZASM) $(KERNEL) $(APPS) < glue.asm > $@
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$(CFSPACK):
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make -C $(BASEDIR)/tools/cfspack
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floppy.cfs: $(CFSTARGETS) $(CFSPACK)
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$(CFSPACK) cfsin > $@
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$(APPTARGETS):
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$(ZASM) $(KERNEL) $(APPS) user.h < $(APPS)/${@:cfsin/%=%}/glue.asm > $@
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cfsin/user.h: user.h
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cp user.h $@
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.PHONY: clean
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clean:
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rm -f $(CFSTARGETS) floppy.cfs $(TARGET)
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@ -102,20 +102,20 @@ As stated in the overview, we need a program on the TRS-80 that:
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That program has already been written, it's in `recv.asm` in this folder. You
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can get the binary with `zasm < recv.asm | xxd`.
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It's designed to run from offset `0x5000` and write received data in `0x3000`
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It's designed to run from offset `0x4000` and write received data in `0x3000`
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and onwards.
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How will you punch that in? The `debug` program! This very useful piece of
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software is supplied in TRSDOS. To invoke it, first run `debug (on)` and then
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press the `BREAK` key. You'll get the debug interface which allows you to punch
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in any data in any memory address. Let's use `0x5000` which is the offset it's
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in any data in any memory address. Let's use `0x4000` which is the offset it's
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designed for.
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For reference: to go back to the TRSDOS prompt, it's `o<return>`.
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First, display the `0x5000-0x503f` range with the `d5000<space>` command (I
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First, display the `0x4000-0x403f` range with the `d4000<space>` command (I
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always press Enter by mistake, but it's space you need to press). Then, you can
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begin punching in with `h5000<space>`. This will bring up a visual indicator of
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begin punching in with `h4000<space>`. This will bring up a visual indicator of
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the address being edited. Punch in the stuff with a space in between each byte
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and end the edit session with `x`.
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@ -141,10 +141,10 @@ before `02`.
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If you want to save yourself typing for later sessions, why not save the
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program you've painfully typed to disk? TRSDOS enables that easily. Let's say
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that you typed your program at `0x5000` and that you want to save it to
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that you typed your program at `0x4000` and that you want to save it to
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`RECV/CMD` on your second floppy drive, you'd do:
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dump recv/cmd:1 (start=x'5000',end=x'5030',tra='5000')
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dump recv/cmd:1 (start=x'4000',end=x'4030',tra='4000')
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A memory range dumped this way will be re-loaded at the same offset through
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`load recv/cmd:1`. Even better, `TRA` indicates when to jump after load when
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@ -158,7 +158,7 @@ debugger.
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## Sending binary through the RS-232 port
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Once you're finished punching your program in memory, you can run it with
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`g5000<enter>` (not space). If you've saved it to disk, run `recv` instead.
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`g4000<enter>` (not space). If you've saved it to disk, run `recv` instead.
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Because it's an infinite loop, your screen will freeze. You can start sending
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your data.
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@ -222,13 +222,3 @@ writing `CFS\0\0\0\0` to the disk). If it doesn't error out, commands like
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There is also a custom `recv` command that does the same "ping pong" as in
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`recv.asm`, but once. It puts the result in `A`. This can be useful to send down
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a raw CFS: you just need a while loop that repeatedly call `recv:putb a`.
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## Assembling programs
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Running `make` will yield a `floppy.cfs` file that you can dump on a disk. This
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CFS contains a properly configured `zasm` as well as a test `hello.asm` file.
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By mounting this CFS (running `fson` with the active device properly placed),
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you can assemble and run a binary from `hello.asm` in the same way that you
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would in any CFS-enabled shell. You'll then see those sweet "Assembled from a
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TRS-80" words!
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@ -1,11 +0,0 @@
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.inc "user.h"
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ld hl, sAwesome
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call printstr
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xor a ; success
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ret
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sAwesome:
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.db "Assembled from a TRS-80", 0x0d, 0
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@ -9,30 +9,6 @@
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.org 0x3000
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jp init
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; The TRS-80 generates a double line feed if we give it both CR and LF.
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; Has to be defined before the jump table.
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.equ printcrlf printcr
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; *** Jump Table ***
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jp strncmp
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jp upcase
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jp findchar
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jp printstr
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jp printcrlf
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jp blkSet
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jp blkSel
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jp _blkGetB
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jp _blkPutB
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jp _blkSeek
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jp _blkTell
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jp fsFindFN
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jp fsOpen
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jp fsGetB
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jp fsPutB
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jp fsSetSize
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jp stdioPutC
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jp stdioReadLine
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.inc "err.h"
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.inc "blkdev.h"
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.inc "fs.h"
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@ -62,6 +38,9 @@
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.equ FS_HANDLE_COUNT 2
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.inc "fs.asm"
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; The TRS-80 generates a double line feed if we give it both CR and LF.
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.equ printcrlf printcr
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; *** BASIC ***
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; RAM space used in different routines for short term processing.
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@ -163,9 +142,7 @@ basFindCmdExtra:
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call basFindCmd
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ret z
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ld hl, .cmds
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call basFindCmd
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ret z
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jp basPgmHook
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jp basFindCmd
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.cmds:
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.db "recv", 0
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@ -1,19 +0,0 @@
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.org 0x5800
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.equ strncmp 0x3003
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.equ upcase @+3
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.equ findchar @+3
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.equ printstr @+3
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.equ printcrlf @+3
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.equ blkSet @+3
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.equ blkSel @+3
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.equ _blkGetB @+3
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.equ _blkPutB @+3
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.equ _blkSeek @+3
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.equ _blkTell @+3
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.equ fsFindFN @+3
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.equ fsOpen @+3
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.equ fsGetB @+3
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.equ fsPutB @+3
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.equ fsSetSize @+3
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.equ stdioPutC @+3
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.equ stdioReadLine @+3
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