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Remove debug prints and add FHELLO FWORLD notes
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zellyn committed Dec 6, 2016
1 parent 6c5cbe0 commit bf77cdc
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Showing 2 changed files with 26 additions and 5 deletions.
29 changes: 26 additions & 3 deletions lib/notes.org
Original file line number Diff line number Diff line change
Expand Up @@ -55,10 +55,33 @@ Beneath Apple ProDOS Table E.1
| FD | VAR | ProDOS | Applesoft BASIC variables file |
| FE | REL | ProDOS | EDASM relocatable object module file |
| FF | SYS | ProDOS | System file |
** NakedOS FHELLO
** NakedOS FHELLO + FWORLD
This is the simplest possible example of a FHELLO program that loads
another program (FWORLD) at $6000, then jumps to it. The placeholder
FWORLD below clears the screen, prints "HELLO WORLD", then spins
forever.

*** FHELLO
20 40 03 JSR NAKEDOS
6D 01 DC ADC NKRDFILE
2C 02 DF BIT ${filename}
2C 00 E0 BIT ${target page}
2C 00 60 BIT ${target page}
F8 CLD
4C 00 E0 JMP ${target page}
4C 00 60 JMP ${target page}

*** FWORLD
6000-G 20 58 FC JSR HOME
6003-H A2 00 LDX #00
6005-I BD 13 60 LDA -O,X
6008-J F0 06 BEQ -N
600A-K 20 ED FD JSR COUT
600D-L E8 INX
600E-M D0 F5 BNE -I
6010-N 4C 10 60 JMP *
6013- C8 C5 CC CC CF HELLO
6018- AC A0 D7 CF D2 CC C4 00 , WORLD.

*** diskii commands

echo -n -e '\x20\x40\x03\x6D\x01\xDC\x2C\x02\xDF\x2C\x00\x60\xF8\x4C\x00\x60' | diskii put -f ./lib/supermon/testdata/chacha20.dsk DF01:FHELLO -
echo -n -e '\x20\x58\xFC\xA2\x00\xBD\x13\x60\xF0\x06\x20\xED\xFD\xE8\xD0\xF5\x4C\x10\x60\xC8\xC5\xCC\xCC\xCF\xAC\xA0\xD7\xCF\xD2\xCC\xC4\x00' | diskii put -f ./lib/supermon/testdata/chacha20.dsk DF02:FWORLD -
2 changes: 0 additions & 2 deletions lib/supermon/supermon.go
Original file line number Diff line number Diff line change
Expand Up @@ -754,7 +754,6 @@ func (o operator) PutFile(fileInfo disk.FileInfo, overwrite bool) (existed bool,
if err != nil {
return false, err
}
fmt.Printf("PLUGH: numFile: %v, namedFile: %v, symbol: %v\n", numFile, namedFile, symbol)
if symbol != "" {
if o.st == nil {
return false, fmt.Errorf("cannot use symbolic names on disks without valid symbol tables in files 0x03 and 0x04")
Expand All @@ -777,7 +776,6 @@ func (o operator) PutFile(fileInfo disk.FileInfo, overwrite bool) (existed bool,
if err := o.st.AddSymbol(symbol, 0xDF00+uint16(numFile)); err != nil {
return existed, err
}
fmt.Println("PLUGH: about to write symbol table: %v", o.st)
if err := o.sm.WriteSymbolTable(o.sd, o.st); err != nil {
return existed, err
}
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