Merge branch 'master' of https://github.com/badvision/lawless-legends

PLASMA/src/cmd.pla

@@ -16,26 +16,34 @@ const resxhgr2    = $0020
 ;
 ; Pedefined functions.
 ;
-predef home, gotoxy, viewport, crout, cout, prstr, cin, rdstr
 predef syscall, call
+predef crout, cout, prstr, cin, rdstr
 predef markheap, allocheap, allocalignheap, releaseheap, availheap
 predef memset, memcpy
 predef uword_isgt, uword_isge, uword_islt, uword_isle
-predef loadmod, execmod
+predef loadmod, execmod, lookupmod
+;
+; System variable.
+;
+word version     = $0010 ; 00.10
+word systemflags = 0
+word heap
+word xheap       = $0800
+word lastsym     = symtbl
+byte perr
+word cmdptr
 ;
 ; Standard Library exported functions.
 ;
 byte stdlibstr[]  = "STDLIB"
 byte machidstr[]  = "MACHID"
-byte clsstr[]     = "CLS"
+byte sysstr[]     = "SYSCALL"
-byte gotoxystr[]  = "GOTOXY"
+byte callstr[]    = "CALL"
-byte viewstr[]    = "VIEWPORT"
 byte putcstr[]    = "PUTC"
+byte putlnstr[]   = "PUTLN"
 byte putsstr[]    = "PUTS"
 byte getcstr[]    = "GETC"
 byte getsstr[]    = "GETS"
-byte sysstr[]     = "SYSCALL"
-byte callstr[]    = "CALL"
 byte hpmarkstr[]  = "HEAPMARK"
 byte hpalignstr[] = "HEAPALLOCALIGN"
 byte hpallocstr[] = "HEAPALLOC"
@@ -47,17 +55,16 @@ byte uisgtstr[]   = "ISUGT"
 byte uisgestr[]   = "ISUGE"
 byte uisltstr[]   = "ISULT"
 byte uislestr[]   = "ISULE"
-byte loadstr[]    = "LOAD"
+byte loadstr[]    = "MODLOAD"
-byte execstr[]    = "EXEC"
+byte execstr[]    = "MODEXEC"
-word exports[]    = @clsstr,    @home
+byte modadrstr[]  = "MODADDR"
-word              = @gotoxystr, @gotoxy
+word exports[]	  = @sysstr,    @syscall
-word		  = @viewstr,   @viewport
+word		  = @callstr,   @call
 word		  = @putcstr,   @cout
+word              = @putlnstr,  @crout
 word		  = @putsstr,   @prstr
 word		  = @getcstr,   @cin
 word		  = @getsstr,   @rdstr
-word		  = @sysstr,    @syscall
-word		  = @callstr,   @call
 word		  = @hpmarkstr, @markheap
 word		  = @hpallocstr,@allocheap
 word		  = @hpalignstr,@allocalignheap
@@ -70,42 +77,24 @@ word              = @uisltstr,  @uword_islt
 word              = @uislestr,  @uword_isle
 word              = @loadstr,   @loadmod
 word              = @execstr,   @execmod
+word              = @modadrstr, @lookupmod
 word              = @machidstr, MACHID
 word              = 0
 word stdlibsym    = @exports     
 ;
 ; String pool.
 ;
-byte version[]    = "PLASMA 0.9\n"
+byte autorun[]    = "AUTORUN"
+byte verstr[]     = "PLASMA "
 byte freestr[]    = "MEM FREE:$"
 byte errorstr[]   = "ERR:$"
 byte okstr[]      = "OK"
 byte huhstr[]     = "?\n"
 byte prefix[32]   = ""
 ;
-; System variable.
-;
-word heap
-word lastsym     = symtbl
-word xheap       = $0800
-word systemflags = 0
-byte perr
-word cmdptr
-;
 ; Utility functions
 ;
-asm equates
+;asm equates included from cmdstub.s
-;*
-;* BANK SWITCHED MEM
-;*
-LCRDEN 	=	$C080
-LCWTEN	=	$C081
-ROMEN	=	$C082
-LCRWEN 	=	$C083
-LCBNK2	=	$00
-LCBNK1	=	$08
-	!SOURCE	"plvm02zp.inc"
-end
 ;
 ; CALL PRODOS
 ; SYSCALL(CMD, PARAMS)
@@ -128,25 +117,25 @@ PARAMS:	!WORD	0000
 end
 ;
 ; CALL 6502 ROUTINE
-; CALL(AREG, XREG, YREG, STATUS, ADDR)
+; CALL(ADDR, AREG, XREG, YREG, STATUS)
 ;
 asm call
 REGVALS	=	SRC
         PHP
-        LDA     ESTKL,X
+        LDA     ESTKL+4,X
         STA     TMPL
-        LDA     ESTKH,X
+        LDA     ESTKH+4,X
         STA     TMPH
-        INX
         LDA     ESTKL,X
         PHA
-        INX
-        LDA     ESTKL,X
-        TAY
-        INX
         LDA     ESTKL+1,X
+        TAY
+        LDA     ESTKL+3,X
         PHA
-        LDA     ESTKL,X
+        LDA     ESTKL+2,X
+        INX
+        INX
+        INX
 	INX
         STX     ESP
         TAX
@@ -174,11 +163,11 @@ end
 ; CALL LOADED SYSTEM PROGRAM
 ;
 asm exec
-	LDA	#$00
+	LDX	#$00
-	STA	IFPL
+	STX	IFPL
 	LDA	#$BF
 	STA	IFPH
-	LDX	#$FF
+	DEX
 	TXS
 	LDX	#ESTKSZ/2
 	BIT	ROMEN
@@ -189,7 +178,7 @@ end
 ;
 asm reboot
 	BIT	ROMEN
-	DEC	$3F4		; INVALIDATE POWER-UP BYTE
+	DEC	$03F4		; INVALIDATE POWER-UP BYTE
 	JMP	($FFFC)		; RESET
 end
 ;
@@ -328,67 +317,6 @@ asm memxcpy
 	INX
 	RTS
 end
-;
-; HOME
-;
-asm home
-	STX	ESP
-	BIT	ROMEN
-	JSR	$FC58
-	BIT	LCRDEN+LCBNK2
-	LDX	ESP
-	DEX
-	RTS
-end
-;
-; SET VIEWPORT
-; VIEWPORT(LEFT, TOP, WIDTH, HEIGHT)
-;
-asm viewport
-	LDA	ESTKL+1,X
-	BNE	+
-	LDA	ESTKL,X
-	BNE	+
-	STA	ESTKL+3,X
-	STA	ESTKL+2,X
-	LDA	#40
-	STA	ESTKL+1,X
-	LDA	#24
-	STA	ESTKL,X	
-+	LDA	ESTKL+3,X
-	STA	$20
-	LDA	ESTKL+1,X
-	STA	$21
-	LDA	ESTKL+2,X
-	STA	$22
-	CLC
-	ADC	ESTKL,X
-	STA	$23
-	LDY	#$00
-	STY	$24
-	LDA	$22
-	INX
-	INX
-	BNE	VTAB
-end
-;
-; SET VIEWPORT RELATIVE CURSOR POSITION
-; GOTOXY(X,Y)
-;
-asm gotoxy
-	LDA	ESTKL+1,X
-	STA	$24
-	LDA	ESTKL,X
-	CLC
-	ADC	$22
-VTAB	STX     ESP
-	BIT	ROMEN
-	JSR	$FB5B
-	BIT	LCRDEN+LCBNK2
-	LDX     ESP
-	INX
-	RTS
-end
 asm crout
 	DEX
 	LDA	#$8D
@@ -434,7 +362,6 @@ asm prstr
 	STA     SRCL
 	LDA     ESTKH,X
 	STA     SRCH
-        STY	ESTKH,X
 	LDA     (SRC),Y
 	STA     TMP
 	BEQ     ++
@@ -446,8 +373,7 @@ asm prstr
 	JSR	TOUPR
 +	ORA	#$80
 	JSR	$FDED
-	TYA
+	CPY	TMP
-	CMP	TMP
 	BNE	-
 	BIT	LCRDEN+LCBNK2
 ++	RTS
@@ -468,12 +394,11 @@ end
 ; PRINT WORD
 ;
 asm prword
-	LDA	ESTKH,X
-	TAY
-	LDA	ESTKL,X
 	STX	ESP
-	TAX
+	TXA
-	TYA
+	TAY
+	LDA	ESTKH,Y
+	LDX	ESTKL,Y
 	BIT	ROMEN
 	JSR	$F941
 	LDX     ESP
@@ -496,8 +421,8 @@ asm rdstr
 	STA	$01FF,X
 	DEX
 	BPL	-
+	TXA
 	LDX     ESP
-	LDA     #$FF
 	STA     ESTKL,X
 	LDA     #$01
 	STA     ESTKH,X
@@ -531,28 +456,26 @@ asm uword_isle
 	RTS
 end
 asm uword_isgt
-	LDY	#$FF
 	LDA	ESTKL,X
 	CMP	ESTKL+1,X
 	LDA	ESTKH,X
 	SBC	ESTKH+1,X
- 	BCC	+
+	LDA	#$FF
-	INY
+	ADC	#$00
-+ 	STY	ESTKL+1,X
+ 	STA	ESTKL+1,X
-	STY	ESTKH+1,X
+	STA	ESTKH+1,X
 	INX
 	RTS
 end
 asm uword_islt
-	LDY	#$FF
 	LDA	ESTKL+1,X
 	CMP	ESTKL,X
 	LDA	ESTKH+1,X
 	SBC	ESTKH,X
- 	BCC	+
+	LDA	#$FF
-	INY
+	ADC	#$00
-+ 	STY	ESTKL+1,X
+ 	STA	ESTKL+1,X
-	STY	ESTKH+1,X
+	STA	ESTKH+1,X
 	INX
 	RTS
 end
@@ -649,8 +572,7 @@ TOUPR	AND	#$7F
 	BCC     +
 	CMP     #'z'+1
 	BCS     +
-	SEC
+	SBC     #$1F
-	SBC     #$20
 +	STA     ESTKL,X
 	RTS
 end
@@ -885,16 +807,6 @@ def allocxheap(size)
     fin
     return xaddr
 end
-;def availxheap(void)
-;    return $BF00 - xheap;
-;end
-;def markxheap
-;    return xheap
-;end
-;def releasexheap(newxheap)
-;    xheap = newxheap;
-;    return $BF00 - xheap
-;end
 ;
 ; DCI table routines,
 ;
@@ -1032,7 +944,7 @@ def loadmod(mod)
 		    close(refnum)
 	            refnum = 0
                     if loadmod(moddep) < 0
-	      	        return perr
+	      	        return -perr
 		    fin
                 fin
                 moddep = moddep + dcitos(moddep, @str)
@@ -1070,6 +982,10 @@ def loadmod(mod)
         until rdlen <= 0
         close(refnum)
 	;
+	; Add module to symbol table.
+	;
+	addmod(mod, modaddr)
+	;
 	; Apply all fixups and symbol import/export.
 	;
         modfix   = modaddr - modfix
@@ -1156,10 +1072,6 @@ def loadmod(mod)
 	    ;
 	    memxcpy(defaddr, bytecode, modsize - (bytecode - modaddr))
        	fin
-	;
-	; Free up the end-of-module in main memory.
-	;
-	releaseheap(modend)
     fin
     if perr
         return -perr
@@ -1168,9 +1080,20 @@ def loadmod(mod)
     ; Call init routine if it exists.
     ;
     if init
-        return adddef(defbank, init - defofst + defaddr, @deflast)()
+        fixup = adddef(defbank, init - defofst + defaddr, @deflast)()
+	if defbank
+	    xheap  = init - defofst + defaddr
+        else
+	    modend = init - defofst + defaddr
 	fin
-    return 0
+    else
+        fixup = 0
+    fin
+    ;
+    ; Free up the end-of-module in main memory.
+    ;
+    releaseheap(modend)
+    return fixup
 end
 ;
 ; Command mode
@@ -1350,17 +1273,34 @@ def execmod(modfile)
 	heap        = saveheap
     fin
 end
-
+;
+; Get heap start.
+;
 heap = *freemem
+;
+; Init symbol table.
+;
 stodci(@stdlibstr, heap)
-addmod(heap, 1)
+addmod(heap, @systemflags)
 while *stdlibsym
     stodci((stdlibsym):0, heap)
     addsym(heap, (stdlibsym):2)
     stdlibsym = stdlibsym + 4
 loop
+;
+; Try to run autorun module.
+;
 resetmemfiles()
-prstr(@version)
+execmod(@autorun)
+perr = 0
+;
+; Print some startup info.
+;
+prstr(@verstr)
+prbyte(version.1)
+cout('.')
+prbyte(version.0)
+crout
 prstr(@freestr)
 prword(availheap)
 crout

PLASMA/src/cmdexec.pla

@@ -1,179 +0,0 @@
-const iobuffer    = $0800
-const databuff    = $0C00
-const memmap      = $BF58
-const sysfile     = $0280
-byte syshalt[]    = "SYSTEM HALTED..."
-byte perr
-;
-; Utility functions
-;
-; CALL PRODOS
-; SYSCALL(CMD, PARAMS)
-;
-asm prodos
-	LDA	ESTKL,X
-	LDY	ESTKH,X
-	STA	PARAMS
-	STY	PARAMS+1
-	INX
-	LDA	ESTKL,X
-	STA	CMD
-	STX	ESP
-	JSR	$BF00
-CMD:	!BYTE	00
-PARAMS:	!WORD	0000
-	LDX	ESP
-	STA	ESTKL,X
-	LDY	#$00
-	STY	ESTKH,X
-	RTS
-end
-;
-; CALL LOADED SYSTEM PROGRAM
-;
-asm exec
-	LDA	#$00
-	STA	IFPL
-	LDA	#$BF
-	STA	IFPH
-	LDX	#$FE
-	TXS
-	LDX	#ESTKSZ/2
-	BIT	ROMEN
-	JMP	$2000
-end
-;
-; EXIT
-;
-asm reboot
-	BIT	ROMEN
-	LDA	#$00
-	STA	$3F4		; INVALIDATE POWER-UP BYTE
-	JMP	($FFFC)		; RESET
-end
-;
-; SET MEMORY TO 0
-; MEMCLR(ADDR, SIZE)
-;
-asm memclr
-	LDY	#$00
-	LDA	ESTKL+1,X
-	STA	DSTL
-	LDA	ESTKH+1,X
-	STA	DSTH
-	INC	ESTKL,X
-	INC	ESTKH,X
-	TYA
-SETMLP 	DEC	ESTKL,X
-	BNE	+
-	DEC	ESTKH,X
-	BEQ	++
-+	STA	(DST),Y
-	INY
-	BNE	SETMLP
-	INC	DSTH
-	BNE	SETMLP
-++	INX
-	RTS
-end
-asm cin
-	BIT	ROMEN
-	STX	ESP
-	JSR	$FD0C
-	LDX	ESP
-	DEX
-	STA	ESTKL,X
-	LDY	#$00
-	STY	ESTKH,X
-	BIT	LCRDEN+LCBNK2
-	RTS
-end
-;
-; PRINT STRING
-; PRSTR(STR)
-;
-asm prstr
-	LDY	#$00
-	LDA	ESTKL,X
-	STA	SRCL
-	LDA	ESTKH,X
-	STA	SRCH
-	BIT	ROMEN
-	LDA	(SRC),Y
-	STA	ESTKL,X
-	BEQ	+
--	INY
-	LDA	(SRC),Y
-	ORA	#$80
-	JSR	$FDED
-	TYA
-	CMP	ESTKL,X
-	BNE	-
-+	BIT	LCRDEN+LCBNK2
-	RTS
-end
-;
-; ProDOS routines
-;
-def open(path, buff)
-    byte params[6]
-
-    params.0 = 3
-    params:1 = path
-    params:3 = buff
-    params.5 = 0
-    perr     = prodos($C8, @params)
-    return params.5
-end
-def close(refnum)
-    byte params[2]
-
-    params.0 = 1
-    params.1 = refnum
-    perr     = prodos($CC, @params)
-    return perr
-end
-def read(refnum, buff, len)
-    byte params[8]
-
-    params.0 = 4
-    params.1 = refnum
-    params:2 = buff
-    params:4 = len
-    params:6 = 0
-    perr     = prodos($CA, @params)
-    return params:6
-end
-def resetmemfiles
-    ;
-    ; Close all files
-    ;
-    ^$BFD8 = 0
-    close(0)
-    ;
-    ; Set memory bitmap
-    ;
-    memclr(memmap, 24)
-    ^memmap.0  = $CF
-    ^memmap.23 = $01
-end
-def execsys
-    byte refnum
-
-    if ^sysfile
-	refnum = open(sysfile, iobuffer)
-	if refnum
-	    if read(refnum, $2000, $FFFF)
-	        resetmemfiles()
-		exec()
-	    fin
-	fin
-    fin
-end
-
-resetmemfiles()
-execsys
-prstr(@syshalt)
-cin()
-reboot()
-done

PLASMA/src/cmdstub.s

@@ -1,29 +1,45 @@
 INTERP	=	$03D0
+LCRDEN 	=	$C080
+LCWTEN	=	$C081
+ROMEN	=	$C082
+LCRWEN 	=	$C083
+LCBNK2	=	$00
+LCBNK1	=	$08
+	!SOURCE	"plvm02zp.inc"
 ;*
 ;* MOVE CMD DOWN TO $1000-$2000
 ;*
 	LDA	#<_CMDBEGIN
-	STA	$06
+	STA	SRCL
 	LDA	#>_CMDBEGIN
-	STA	$07
+	STA	SRCH
-	LDA	#$00
-	STA	$08
-	LDA	#$10
-	STA	$09
 	LDY	#$00
--	LDA	($06),Y
+	STY	DSTL
-	STA	($08),Y
+	LDA	#$10
+	STA	DSTH
+-	LDA	(SRC),Y
+	STA	(DST),Y
 	INY
 	BNE	-
-	INC	$07
+	INC	SRCH
-	INC	$09
+	INC	DSTH
-	LDA	$09
+	LDA	DSTH
-	CMP	#$20
+	CMP	#$20		; STOP WHEN DST=$2000 REACHED
 	BNE	-
 	LDA	#<_CMDEND
-	STA	$06
+	STA	SRCL
 	LDA	#>_CMDEND
-	STA	$07
+	STA	SRCH
+;
+; INIT VM ENVIRONMENT STACK POINTERS
+;
+	LDA	#$00		; INIT FRAME POINTER
+	STA	IFPL
+	LDA	#$BF
+	STA	IFPH
+	LDX	#$FE		; INIT STACK POINTER (YES, $FE. SEE GETS)
+	TXS
+        LDX	#ESTKSZ/2	; INIT EVAL STACK INDEX
 	JMP	$1000
 _CMDBEGIN =	*
 	!PSEUDOPC	$1000 {

PLASMA/src/makefile

@@ -2,8 +2,8 @@
 AFLAGS	= -o $@
 LFLAGS	= -C default.cfg
 PLVM    = plvm
-PLVM02	= PLVM02.SYS
+PLVM02	= PLASMA.SYSTEM\#FF2000
-CMD     = CMD.SYS
+CMD     = CMD\#FF2000
 PLASM   = plasm
 INCS    = tokens.h symbols.h lex.h parse.h codegen.h
 OBJS	= plasm.c parse.o lex.o codegen.o
@@ -22,10 +22,10 @@ TXTTYPE	= .TXT
 #SYSTYPE	= \#ff0000
 #TXTTYPE	= \#040000
 
-all: $(PLASM) $(PLVM) $(PLVM02) $(CMD) TESTLIB
+all: $(PLASM) $(PLVM) $(PLVM02) $(CMD)
 
 clean:
-	-rm *.o *~ *.a *.SYM *.SYS *.REL TESTLIB $(PLASM) $(PLVM)
+	-rm *.o *~ *.a *FE1000 $(PLVM02) $(CMD) $(PLASM) $(PLVM)
 
 $(PLASM): $(OBJS) $(INCS)
 	cc $(OBJS) -o $(PLASM)
@@ -33,31 +33,28 @@ $(PLASM): $(OBJS) $(INCS)
 $(PLVM): plvm.c
 	cc plvm.c -o $(PLVM)
 
-cmdexec.a: cmdexec.pla $(PLASM)
+$(PLVM02): plvm02.s
-	./$(PLASM) -A < cmdexec.pla > cmdexec.a
+	acme -o $(PLVM02) plvm02.s
-
-$(PLVM02): plvm02.s cmdexec.a
-	acme -o $(PLVM02) -l PLVM02.SYM plvm02.s
 
 $(CMD): cmd.pla cmdstub.s $(PLVM) $(PLASM)
 	./$(PLASM) -A < cmd.pla > cmd.a
 	acme --setpc 8192 -o $(CMD) cmdstub.s
 
-TESTLIB: testlib.pla $(PLVM) $(PLASM)
+TESTLIB\#FE1000: testlib.pla $(PLVM) $(PLASM)
 	m4 < testlib.pla |./$(PLASM) -AM > testlib.a
-	acme --setpc 4094 -o TESTLIB testlib.a
+	acme --setpc 4094 -o TESTLIB\#FE1000 testlib.a
 
-test: test.pla TESTLIB $(PLVM) $(PLASM)
+test: test.pla TESTLIB\#FE1000 $(PLVM) $(PLASM)
 	m4 < test.pla | ./$(PLASM) -AM > test.a
-	acme --setpc 4094 -o TEST.REL test.a
+	acme --setpc 4094 -o TEST\#FE1000 test.a
-	./$(PLVM) TEST.REL
+	./$(PLVM) TEST
 
 debug: test.pla TESTLIB $(PLVM) $(PLASM)
 	m4 < test.pla | ./$(PLASM) -AM > test.a
-	acme --setpc 4094 -o TEST.REL test.a
+	acme --setpc 4094 -o TEST\#FE1000 test.a
-	./$(PLVM) -s TEST.REL MAIN
+	./$(PLVM) -s TEST MAIN
 
 hello: hello.pla $(PLVM) $(PLASM)
 	m4 < hello.pla | ./$(PLASM) -AM > hello.a
-	acme --setpc 4094 -o HELLO.REL hello.a
+	acme --setpc 4094 -o HELLO\#FE1000 hello.a
-	./$(PLVM) HELLO.REL
+	./$(PLVM) HELLO

PLASMA/src/plvm.c

@@ -146,6 +146,8 @@ uword lookup_tbl(byte *dci, byte *tbl)
         while (*entry++ & 0x80);
         entry += 2;
     }
+    dcitos(dci, str);
+    printf("\nError: symbols %s not found in symbol table.\n", str);
     return 0;
 }
 uword add_tbl(byte *dci, int val, byte **last)
@@ -233,10 +235,12 @@ int load_mod(byte *mod)
     byte *moddep, *rld, *esd, *cdd, *sym;
     byte header[128];
     int fd;
-    char filename[32], string[17];
+    char filename[48], string[17];
 
     dcitos(mod, filename);
     printf("Load module %s\n", filename);
+    if (strlen(filename) < 8 || (filename[strlen(filename) - 7] != '#'))
+        strcat(filename, "#FE1000");
     fd = open(filename, O_RDONLY, 0);
     if ((fd > 0) && (len = read(fd, header, 128)) > 0)
     {
@@ -316,6 +320,10 @@ int load_mod(byte *mod)
             printf("Module def count: $%04X\n", defcnt);
             printf("Module init: $%04X\n", init ? init + modfix - MOD_ADDR : 0);
         }
+        /*
+         * Add module to symbol table.
+         */
+        add_mod(mod, modaddr);
         /*
          * Print out the Re-Location Dictionary.
          */
@@ -418,6 +426,7 @@ int load_mod(byte *mod)
     if (init)
     {
         interp(mem_data + init + modfix - MOD_ADDR);
+//        release_heap(init + modfix - MOD_ADDR); // Free up init code
         return POP;
     }
     return 0;
@@ -429,6 +438,8 @@ void call(uword pc)
     unsigned int i, s;
     char c, sz[64];
 
+    if (show_state)
+        printf("\nCall code:$%02X\n", mem_data[pc]);
     switch (mem_data[pc++])
     {
         case 0: // NULL call
@@ -440,19 +451,14 @@ void call(uword pc)
         case 2: // BYTECODE in mem_data
             interp(mem_data + (mem_data[pc] + (mem_data[pc + 1] << 8)));
             break;
-        case 3: // LIBRARY STDLIB::VIEWPORT
+        case 3: // LIBRARY STDLIB::PUTC
-            printf("Set Viewport %d, %d, %d, %d\n", esp[3], esp[2], esp[1], esp[0]);
-            esp += 4;
-            PUSH(0);
-            break;
-        case 4: // LIBRARY STDLIB::PUTC
             c = POP;
             if (c == 0x0D)
                 c = '\n';
             putchar(c);
             PUSH(0);
             break;
-        case 5: // LIBRARY STDLIB::PUTS
+        case 4: // LIBRARY STDLIB::PUTS
             s = POP;
             i = mem_data[s++];
             PUSH(i);
@@ -464,7 +470,7 @@ void call(uword pc)
                 putchar(c);
             }
             break;
-        case 6: // LIBRARY STDLIB::PUTSZ
+        case 5: // LIBRARY STDLIB::PUTSZ
             s = POP;
             while ((c = mem_data[s++]))
             {
@@ -474,10 +480,10 @@ void call(uword pc)
             }
             PUSH(0);
             break;
-        case 7: // LIBRARY STDLIB::GETC
+        case 6: // LIBRARY STDLIB::GETC
             PUSH(getchar());
             break;
-        case 8: // LIBRARY STDLIB::GETS
+        case 7: // LIBRARY STDLIB::GETS
             gets(sz);
             for (i = 0; sz[i]; i++)
                 mem_data[0x200 + i] = sz[i];
@@ -485,25 +491,14 @@ void call(uword pc)
             mem_data[0x1FF] = i;
             PUSH(i);
             break;
-        case 9: // LIBRARY STDLIB::CLS
+        case 8: // LIBRARY STDLIB::PUTNL
-            puts("\033[2J");
-            fflush(stdout);
-            PUSH(0);
-            PUSH(0);
-        case 10: // LIBRARY STDLIB::GOTOXY
-            s = POP + 1;
-            i = POP + 1;
-            printf("\033[%d;%df", s, i);
-            fflush(stdout);
-            PUSH(0);
-            break;
-        case 11: // LIBRARY STDLIB::PUTNL
             putchar('\n');
             fflush(stdout);
             PUSH(0);
             break;
         default:
-            printf("Bad call code\n");
+            printf("\nBad call code:$%02X\n", mem_data[pc - 1]);
+            exit(1);
     }
 }
     
@@ -880,22 +875,16 @@ void interp(code *ip)
 }
 
 char *stdlib_exp[] = {
-    "VIEWPORT",
     "PUTC",
     "PUTS",
     "PUTSZ",
     "GETC",
     "GETS",
-    "CLS",
+    "PUTLN",
-    "GOTOXY",
+    "MACHID",
-    "PUTNL",
     0
 };
 
-byte stdlib[] = {
-    0x00
-};
-
 int main(int argc, char **argv)
 {
     byte dci[32];

PLASMA/src/plvm02.s

@@ -40,21 +40,19 @@ ALTWROFF=	$C004
 ALTWRON	=	$C005
 	!SOURCE	"plvm02zp.inc"
 STRBUF	=	$0280
-;**********************************************************
 ;*
 ;* INTERPRETER INSTRUCTION POINTER INCREMENT MACRO
 ;*
-;**********************************************************
 	!MACRO	INC_IP	{
 	INY
 	BNE	* + 4
 	INC	IPH
 	}
-;***********************************************
+;******************************
-;*
+;*                            *
-;* INTERPRETER INITIALIZATION
+;* INTERPRETER INITIALIZATION *
-;*
+;*                            *
-;***********************************************
+;******************************
 *	=	$2000
 	LDX     #$FF
 	TXS
@@ -161,51 +159,9 @@ RAMDONE	CLI
 	STA	$D103,Y		; YEAH, I HARDCODED THE ADDRESS
 	DEY
 	BPL	-
-	
+	JMP     CMDEXEC
-;*
-;* LOOK FOR STARTUP FILE
-;*
-	JSR     PRODOS          ; OPEN AUTORUN
-	!BYTE	$C8
-	!WORD	OPENPARMS
-	BNE	NOAUTO
-	LDA     REFNUM
-	STA     NLPARMS+1
-	JSR     PRODOS
-	!BYTE	$C9
-	!WORD	NLPARMS
-	BNE	NOAUTO
-	LDA     REFNUM
-	STA     READPARMS+1
-	JSR     PRODOS
-	!BYTE	$CA
-	!WORD	READPARMS
-	BNE     NOAUTO
-	LDX     READPARMS+6
-	STX     STRBUF		; STRING LENGTH
-	JSR     PRODOS
-	!BYTE	$CC
-	!WORD	CLOSEPARMS
-NOAUTO	JMP     CMDEXEC
 GETPFXPARMS !BYTE 1
 	!WORD	STRBUF		; PATH STRING GOES HERE
-AUTORUN !BYTE	7
-	!TEXT	"AUTORUN"
-OPENPARMS !BYTE	3
-	!WORD	AUTORUN
-	!WORD	$0800
-REFNUM	!BYTE	0
-NLPARMS	!BYTE	3
-	!BYTE	0
-	!BYTE	$7F
-	!BYTE	$0D
-READPARMS !BYTE	4
-	!BYTE	0
-	!WORD	STRBUF+1
-	!WORD	$0080
-	!WORD	0
-CLOSEPARMS !BYTE 1
-	!BYTE	0
 PAGE3	=	*
 	!PSEUDOPC	$03D0 {
 ;*
@@ -220,6 +176,11 @@ INTERP	BIT	LCRDEN+LCBNK2	; $03D0 - DIRECT INTERP ENTRY
 TMRVEC	!WORD	TMRRTS
 TMRRTS	RTS
 }
+;************************************************
+;*                                              *
+;* LANGUAGE CARD RESIDENT PLASMA VM STARTS HERE *
+;*                                              *
+;************************************************
 VMCORE	=	*
 	!PSEUDOPC	$D000 {
 ;*
@@ -245,12 +206,9 @@ OPTBL 	!WORD	ZERO,ADD,SUB,MUL,DIV,MOD,INCR,DECR		; 00 02 04 06 08 0A 0C 0E
 	!WORD	LB,LW,LLB,LLW,LAB,LAW,DLB,DLW			; 60 62 64 66 68 6A 6C 6E
 	!WORD	SB,SW,SLB,SLW,SAB,SAW,DAB,DAW			; 70 72 74 76 78 7A 7C 7E
 ;*
-;* 'BYE' COMMAND PROCESSING
+;* 'BYE' PROCESSING - COPIED TO $1000 ON PRODOS BYE COMMAND
 ;*
 	!PSEUDOPC	$1000 {
-;*
-;* CLEAR COMMAND LINE LENGTH BYTE IF CALLED FROM 'BYE'
-;*
 BYE	JMP	CPYCMD
 DEFCMD	!FILL	63		; AT $D103 IN LC MEMORY
 CPYCMD	LDY	DEFCMD
@@ -258,31 +216,10 @@ CPYCMD	LDY	DEFCMD
 	STA	STRBUF,Y
 	DEY
 	BPL	-
-;*
+CMDEXEC	=	*
-;* MOVE REST OF CMD FROM LANGUAGE CARD
+;
-;*
+; DEACTIVATE 80 COL CARDS
-CMDEXEC	LDY	#$00
+;
-	STY	SRCL
-	STY	DSTL
-	LDA	#$D2
-	STA	SRCH
-	LDA	#$11
-	STA	DSTH
-	BIT	LCRDEN+LCBNK2
--	LDA	(SRC),Y
-	STA	(DST),Y
-	INY
-	BNE	-
-	INC	SRCH
-	INC	DSTH
-	LDA	SRCH
-	CMP	#$D4 ; #$E0
-	BNE	-
-;*
-;* DEACTIVATE 80 COL CARDS
-;*
-	LDX	#$FE
-	TXS
 	BIT	ROMEN
 	LDY	#4
 -	LDA	DISABLE80,Y
@@ -294,16 +231,56 @@ CMDEXEC	LDY	#$00
 	BIT	$C051
 	BIT	$C058
 	JSR	$FC58		; HOME
-;*
+;
-;* JUMP TO INTERPRETER
+; READ CMD INTO MEMORY
-;*
+;
-START	LDA	#$00
+	JSR     PRODOS		; CLOSE EVERYTHING
-	STA	IFPL
+	!BYTE	$CC
-	LDA	#$BF
+	!WORD	CLOSEPARMS
-	STA	IFPH
+	BNE     FAIL
-        LDX	#ESTKSZ/2
+	JSR     PRODOS          ; OPEN CMD
-	!SOURCE "cmdexec.a"
+	!BYTE	$C8
+	!WORD	OPENPARMS
+	BNE	FAIL
+	LDA     REFNUM
+	STA     READPARMS+1
+	JSR     PRODOS
+	!BYTE	$CA
+	!WORD	READPARMS
+	BNE     FAIL
+	JSR     PRODOS
+	!BYTE	$CC
+	!WORD	CLOSEPARMS
+	BNE     FAIL
+	JMP     $2000		; JUMP TO LOADED SYSTEM COMMAND
+;
+; PRINT FAIL MESSAGE, WAIT FOR KEYPRESS, AND REBOOT
+;
+FAIL	INC	$3F4		; INVALIDATE POWER-UP BYTE
+	LDY	#$01
+-	LDA	FAILMSG,Y
+	ORA	#$80
+	JSR	$FDED
+	INY
+	CPY	FAILMSG
+	BNE	-
+	JSR	$FD0C		; WAIT FOR KEYPRESS
+	JMP	($FFFC)		; RESET
+OPENPARMS !BYTE	3
+	!WORD	STRBUF
+	!WORD	$0800
+REFNUM	!BYTE	0
+READPARMS !BYTE	4
+	!BYTE	0
+	!WORD	$2000
+	!WORD	$1100
+	!WORD	0
+CLOSEPARMS !BYTE 1
+	!BYTE	0
 DISABLE80 !BYTE	21, 13, '1', 26, 13
+FAILMSG !BYTE	39
+	!TEXT	"MISSING CMD. PRESS ANY KEY TO RESET..."
+ENDBYE	=	*
 }
 ;*
 ;* ENTER INTO BYTECODE INTERPRETER
@@ -359,12 +336,12 @@ NEXTOPX	INY
 FETCHOPX LDA	(IP),Y
 	STA	*+4
 	JMP	(OPXTBL)	; USE AUX OPCODES
-TIMERX	STA	ALTRDOFF
+;TIMERX	STA	ALTRDOFF
-	CLI
+;	CLI
-	JSR	JMPTMR
+;	JSR	JMPTMR
-	SEI
+;	SEI
-	STA	ALTRDON
+;	STA	ALTRDON
-	JMP	FETCHOPX
+;	JMP	FETCHOPX
 ;*
 ;* INTERP BYTECODE IN MAIN MEM
 ;*
@@ -379,8 +356,8 @@ FETCHOP LDA	(IP),Y
 	ORA	#$80		; USE MAIN OPCODES
 	STA	*+4
 	JMP	(OPTBL)
-TIMER	JSR	JMPTMR
+;TIMER	JSR	JMPTMR
-	JMP	FETCHOP
+;	JMP	FETCHOP
 ;*
 ;* INDIRECT JUMP TO (TMRVEC)
 ;*

PLASMA/src/stdlib.plh

@@ -1,10 +1,11 @@
 import stdlib
-  predef cls, gotoxy, viewport, putc, puts, getc, gets
+  predef putc, putln, puts, getc, gets
   predef call, syscall
   predef heapmark, heapallocallign, heapalloc, heaprelease, heapavail
   predef memset, memcpy
   predef isugt, isuge, isult, isule
   predef load, exec
+  word MACHID, sysvars
   ;
   ; System flags: memory allocator screen holes.
   ;

PLASMA/src/test.pla

@@ -9,7 +9,13 @@ include(testlib.plh)
 ; Declare all global variables for this module.
 ;
 
-byte hello[] = "Hello, world.\n"
+byte hello[] = "Hello, Apple "
+byte a1[] = "1"
+byte a2[] = "]["
+byte a2p[] = "][+"
+byte a2e[] = "//e"
+byte a2c[] = "//c"
+byte a3[] = "///"
 word struct[] = 1, 10, 100, 1000, 10000
 byte spaces[] = "   "
 
@@ -47,14 +53,28 @@ def nums(range)
 end
 
 export def main(range)
-  cls
   nums(*range)
   tens(*range*10)
-  viewport(12, 12, 16, 8)
   ascii
-  viewport(0, 0, 40, 24)
+  putln
-  gotoxy(15,5)
   puts(@hello)
+  when MACHID & $C8
+    is $08
+      puts(@a1)
+    is $00
+      puts(@a2)
+    is $40
+      puts(@a2p)
+    is $80
+      puts(@a2e)
+    is $88
+      puts(@a2c)
+    is $C0
+      puts(@a3)
+    otherwise
+      putc('?')
+  wend
+  putln
 end
 
 main(@struct:6)

PLASMA/src/testlib.pla

@@ -38,10 +38,6 @@ export def puti(i)
   fin
 end
 
-export def putln
-    putc($0D)
-end
-
 puts(@loadstr)
 putln
 done