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mirror of https://github.com/dschmenk/PLASMA.git synced 2024-06-26 06:29:28 +00:00

Add def prototypes for cmdsys library functions

This commit is contained in:
David Schmenk 2017-08-27 20:38:26 -07:00
parent 326482a2a0
commit 255061f75a
2 changed files with 179 additions and 173 deletions

View File

@ -30,12 +30,12 @@ const CFFAEntryPtr = $0B
//
// Pedefined functions.
//
predef crout, cout, prstr, cin, rdstr
predef syscall, call
predef markheap, allocheap, allocalignheap, releaseheap, availheap
predef memset, memcpy
predef uword_isgt, uword_isge, uword_islt, uword_isle
predef loadmod, execmod, lookupstrmod
predef syscall(cmd)#1, call(addr,areg,xreg,yreg,status)#1
predef crout()#0, cout(c)#0, prstr(s)#0, cin()#1, rdstr(p)#1
predef markheap()#1, allocheap(size)#1, allocalignheap(size, pow2, freeaddr), releaseheap(newheap)#1, availheap()#1
predef memset(addr,value,size)#0, memcpy(dst,src,size)#0
predef uword_isgt(a,b)#1, uword_isge(a,b)#1, uword_islt(a,b)#1, uword_isle(a,b)#1
predef loadmod(mod)#1, execmod(modfile)#1, lookupstrmod(str)#1
//
// System variables.
//
@ -117,7 +117,7 @@ word syslibsym = @exports
// CALL CFFA1 API ENTRYPOINT
// SYSCALL(CMD)
//
asm syscall
asm syscall(cmd)#1
LDA ESTKL,X
STX ESP
TAX
@ -132,7 +132,7 @@ end
// CALL 6502 ROUTINE
// CALL(ADDR, AREG, XREG, YREG, STATUS)
//
asm call
asm call(addr,areg,xreg,yreg,sstatus)#1
PHP
LDA ESTKL+4,X
STA CALL6502+1
@ -172,7 +172,7 @@ end
//
// QUIT TO MONITOR
//
asm quit
asm quit()#0
JMP $9000
end
//
@ -180,7 +180,7 @@ end
// MEMSET(ADDR, VALUE, SIZE)
// With optimizations from Peter Ferrie
//
asm memset
asm memset(addr,value,size)#0
LDA ESTKL+2,X
STA DSTL
LDA ESTKH+2,X
@ -207,6 +207,7 @@ SETMLPH STA (DST),Y
++ DEC ESTKH,X
BNE -
SETMEX INX
INX
INX
RTS
end
@ -214,31 +215,32 @@ end
// COPY MEMORY
// MEMCPY(DSTADDR, SRCADDR, SIZE)
//
asm memcpy
asm memcpy(dst,src,size)#0
INX
INX
LDA ESTKL-2,X
ORA ESTKH-2,X
INX
LDA ESTKL-3,X
ORA ESTKH-3,X
BEQ CPYMEX
LDA ESTKL-1,X
CMP ESTKL,X
LDA ESTKH-1,X
SBC ESTKH,X
LDA ESTKL-2,X
CMP ESTKL-1,X
LDA ESTKH-2,X
SBC ESTKH-1,X
BCC REVCPY
;
; FORWARD COPY
;
LDA ESTKL,X
STA DSTL
LDA ESTKH,X
STA DSTH
LDA ESTKL-1,X
STA SRCL
STA DSTL
LDA ESTKH-1,X
STA DSTH
LDA ESTKL-2,X
STA SRCL
LDA ESTKH-2,X
STA SRCH
LDY ESTKL-2,X
LDY ESTKL-3,X
BEQ FORCPYLP
INC ESTKH-2,X
INC ESTKH-3,X
LDY #$00
FORCPYLP LDA (SRC),Y
STA (DST),Y
@ -246,34 +248,34 @@ FORCPYLP LDA (SRC),Y
BNE +
INC DSTH
INC SRCH
+ DEC ESTKL-2,X
+ DEC ESTKL-3,X
BNE FORCPYLP
DEC ESTKH-2,X
DEC ESTKH-3,X
BNE FORCPYLP
RTS
;
; REVERSE COPY
;
REVCPY ;CLC
LDA ESTKL-2,X
LDA ESTKL-3,X
ADC ESTKL,X
STA DSTL
LDA ESTKH-2,X
LDA ESTKH-3,X
ADC ESTKH,X
STA DSTH
CLC
LDA ESTKL-2,X
ADC ESTKL-1,X
LDA ESTKL-3,X
ADC ESTKL-2,X
STA SRCL
LDA ESTKH-2,X
ADC ESTKH-1,X
LDA ESTKH-3,X
ADC ESTKH-2,X
STA SRCH
DEC DSTH
DEC SRCH
LDY #$FF
LDA ESTKL-2,X
LDA ESTKL-3,X
BEQ REVCPYLP
INC ESTKH-2,X
INC ESTKH-3,X
REVCPYLP LDA (SRC),Y
STA (DST),Y
DEY
@ -281,16 +283,16 @@ REVCPYLP LDA (SRC),Y
BNE +
DEC DSTH
DEC SRCH
+ DEC ESTKL-2,X
+ DEC ESTKL-3,X
BNE REVCPYLP
DEC ESTKH-2,X
DEC ESTKH-3,X
BNE REVCPYLP
CPYMEX RTS
end
//
// Unsigned word comparisons.
//
asm uword_isge
asm uword_isge(a,b)#1
LDA ESTKL+1,X
CMP ESTKL,X
LDA ESTKH+1,X
@ -303,7 +305,7 @@ asm uword_isge
INX
RTS
end
asm uword_isle
asm uword_isle(a,b)#1
LDA ESTKL,X
CMP ESTKL+1,X
LDA ESTKH,X
@ -316,7 +318,7 @@ asm uword_isle
INX
RTS
end
asm uword_isgt
asm uword_isgt(a,b)#1
LDA ESTKL,X
CMP ESTKL+1,X
LDA ESTKH,X
@ -328,7 +330,7 @@ asm uword_isgt
INX
RTS
end
asm uword_islt
asm uword_islt(a,b)#1
LDA ESTKL+1,X
CMP ESTKL,X
LDA ESTKH+1,X
@ -343,7 +345,7 @@ end
//
// Addresses of internal routines.
//
asm interp
asm interp()#1
DEX
LDA #<IINTERP
STA ESTKL,X
@ -366,7 +368,7 @@ end
// ^str = len
// return len
//end
asm dcitos
asm dcitos(dci, str)#1
LDA ESTKL,X
STA DSTL
LDA ESTKH,X
@ -406,7 +408,7 @@ end
// loop
// return ^str
//end
asm stodci
asm stodci(str, dci)#1
LDA ESTKL,X
STA DSTL
LDA ESTKH,X
@ -434,7 +436,7 @@ asm stodci
STY ESTKH,X
RTS
end
asm toupper
asm toupper(c)#1
LDA ESTKL,X
TOUPR AND #$7F
CMP #'a'
@ -461,7 +463,7 @@ end
// until !(c & $80)
// return dci
//end
asm modtosym
asm modtosym(mod, dci)#1
LDA ESTKL+1,X
STA SRCL
LDA ESTKH+1,X
@ -502,7 +504,7 @@ end
// tbl = tbl + 3
// loop
// return 0
asm lookuptbl
asm lookuptbl(dci, tbl)#1
LDA ESTKL,X
STA DSTL
LDA ESTKH,X
@ -547,13 +549,13 @@ end
//
// CONSOLE I/O
//
asm cout
asm cout(c)#0
LDA ESTKL,X
JSR TOUPR
ORA #$80
JMP $FFEF
end
asm cin
asm cin()#1
DEX
- LDA $D011
BPL -
@ -564,10 +566,10 @@ asm cin
STA ESTKH,X
RTS
end
def crout
return cout($0D)
def crout()#0
cout($0D)
end
def prstr(str)
def prstr(str)#0
byte i
i = 1
while i <= ^str
@ -575,7 +577,7 @@ def prstr(str)
i = i + 1
loop
end
def rdstr(prompt)
def rdstr(prompt)#1
byte ch, maxlen
maxlen = 0
inbuff.0 = 0
@ -627,13 +629,13 @@ def rdstr(prompt)
cout($0D)
return inbuff
end
def prbyte(v)
def prbyte(v)#0
cout(hexchar[(v >> 4) & $0F])
return cout(hexchar[v & $0F])
cout(hexchar[v & $0F])
end
def prword(v)
def prword(v)#0
prbyte(v >> 8)
return prbyte(v)
prbyte(v)
end
//
// CFFA1 routines
@ -647,12 +649,12 @@ end
// perr = syscall($12)
// return *CFFAEntryPtr
//end
def finddirentry(filename)
def finddirentry(filename)#1
*CFFAFileName = filename
perr = syscall($14)
return *CFFAEntryPtr
end
def readfile(filename, buffer)
def readfile(filename, buffer)#1
*CFFADest = buffer
*CFFAFileName = filename
perr = syscall($22)
@ -661,11 +663,11 @@ end
//
// Heap routines.
//
def availheap
def availheap()#1
byte fp
return @fp - heap
end
def allocheap(size)
def allocheap(size)#1
word addr
addr = heap
heap = heap + size
@ -674,7 +676,7 @@ def allocheap(size)
fin
return addr
end
def allocalignheap(size, pow2, freeaddr)
def allocalignheap(size, pow2, freeaddr)#1
word align, addr
if freeaddr
*freeaddr = heap
@ -687,20 +689,20 @@ def allocalignheap(size, pow2, freeaddr)
fin
return addr
end
def markheap
def markheap()#1
return heap
end
def releaseheap(newheap)
def releaseheap(newheap)#1
heap = newheap
return @newheap - heap
end
//
// Symbol table routines.
//
def lookupsym(sym)
def lookupsym(sym)#1
return lookuptbl(sym, symtbl)
end
def addsym(sym, addr)
def addsym(sym, addr)#0
while ^sym & $80
^lastsym = ^sym
lastsym = lastsym + 1
@ -714,20 +716,20 @@ end
//
// Module routines.
//
def lookupmod(mod)
def lookupmod(mod)#1
byte dci[17]
return lookuptbl(modtosym(mod, @dci), symtbl)
end
def lookupstrmod(str)
def lookupstrmod(str)#1
byte mod[17]
stodci(str, @mod)
return lookupmod(@mod)
end
def addmod(mod, addr)
def addmod(mod, addr)#0
byte dci[17]
return addsym(modtosym(mod, @dci), addr)
addsym(modtosym(mod, @dci), addr)
end
def lookupextern(esd, index)
def lookupextern(esd, index)#1
word sym, addr
byte str[16]
while ^esd
@ -747,7 +749,7 @@ def lookupextern(esd, index)
loop
return 0
end
def adddef(addr, deflast)
def adddef(addr, deflast)#1
word defentry
defentry = *deflast
*deflast = defentry + 5
@ -757,7 +759,7 @@ def adddef(addr, deflast)
defentry->5 = 0 // null out next entry
return defentry
end
def lookupdef(addr, deftbl)
def lookupdef(addr, deftbl)#1
while deftbl->0 == $20
if deftbl=>3 == addr
return deftbl
@ -766,7 +768,7 @@ def lookupdef(addr, deftbl)
loop
return 0
end
def loadmod(mod)
def loadmod(mod)#1
word rdlen, modsize, bytecode, defofst, defcnt, init, fixup
word addr, modaddr, modfix, modend
word deftbl, deflast
@ -929,14 +931,14 @@ end
//
// Command mode
//
def stripchars(strptr)
def stripchars(strptr)#1
while ^strptr and ^(strptr + 1) <> ' '
memcpy(strptr + 1, strptr + 2, ^strptr)
^strptr = ^strptr - 1
loop
return ^strptr
end
def stripspaces(strptr)
def stripspaces(strptr)#0
while ^strptr and ^(strptr + ^strptr) <= ' '
^strptr = ^strptr - 1
loop
@ -945,7 +947,7 @@ def stripspaces(strptr)
^strptr = ^strptr - 1
loop
end
def striptrail(strptr)
def striptrail(strptr)#0
byte i
for i = 1 to ^strptr
@ -955,7 +957,7 @@ def striptrail(strptr)
fin
next
end
def parsecmd(strptr)
def parsecmd(strptr)#1
byte cmd
cmd = 0
@ -968,7 +970,7 @@ def parsecmd(strptr)
stripspaces(strptr)
return cmd
end
def execmod(modfile)
def execmod(modfile)#1
byte moddci[17]
word saveheap, savesym, saveflags

View File

@ -25,12 +25,12 @@ const O_READ_WRITE = 3
//
// Pedefined functions.
//
predef crout, cout, prstr, cin, rdstr
predef syscall, call
predef markheap, allocheap, allocalignheap, releaseheap, availheap
predef memset, memcpy
predef uword_isgt, uword_isge, uword_islt, uword_isle
predef loadmod, execmod, lookupstrmod
predef syscall(cmd,params)#1, call(addr,areg,xreg,yreg,status)#1
predef crout()#0, cout(c)#0, prstr(s)#0, cin()#1, rdstr(p)#1
predef markheap()#1, allocheap(size)#1, allocalignheap(size, pow2, freeaddr), releaseheap(newheap)#1, availheap()#1
predef memset(addr,value,size)#0, memcpy(dst,src,size)#0
predef uword_isgt(a,b)#1, uword_isge(a,b)#1, uword_islt(a,b)#1, uword_isle(a,b)#1
predef loadmod(mod)#1, execmod(modfile)#1, lookupstrmod(str)#1
//
// System variables.
//
@ -113,7 +113,7 @@ word syslibsym = @exports
// CALL SOS
// SYSCALL(CMD, PARAMS)
//
asm syscall
asm syscall(cmd,params)#1
LDA ESTKL,X
LDY ESTKH,X
STA PARAMS
@ -133,7 +133,7 @@ end
// CALL 6502 ROUTINE
// CALL(AREG, XREG, YREG, STATUS, ADDR)
//
asm call
asm call(addr,areg,xreg,yreg,sstatus)#1
REGVALS = SRC
PHP
LDA ESTKL,X
@ -176,7 +176,7 @@ end
// MEMSET(ADDR, VALUE, SIZE)
// With optimizations from Peter Ferrie
//
asm memset
asm memset(addr,value,size)#0
LDA ESTKL+2,X
STA DSTL
LDA ESTKH+2,X
@ -203,6 +203,7 @@ SETMLPH STA (DST),Y
++ DEC ESTKH,X
BNE -
SETMEX INX
INX
INX
RTS
end
@ -210,31 +211,32 @@ end
// COPY MEMORY
// MEMCPY(DSTADDR, SRCADDR, SIZE)
//
asm memcpy
asm memcpy(dst,src,size)#0
INX
INX
LDA ESTKL-2,X
ORA ESTKH-2,X
INX
LDA ESTKL-3,X
ORA ESTKH-3,X
BEQ CPYMEX
LDA ESTKL-1,X
CMP ESTKL,X
LDA ESTKH-1,X
SBC ESTKH,X
LDA ESTKL-2,X
CMP ESTKL-1,X
LDA ESTKH-2,X
SBC ESTKH-1,X
BCC REVCPY
;
; FORWARD COPY
;
LDA ESTKL,X
LDA ESTKL-2,X
STA DSTL
LDA ESTKH,X
LDA ESTKH-2,X
STA DSTH
LDA ESTKL-1,X
LDA ESTKL-2,X
STA SRCL
LDA ESTKH-1,X
LDA ESTKH-2,X
STA SRCH
LDY ESTKL-2,X
LDY ESTKL-3,X
BEQ FORCPYLP
INC ESTKH-2,X
INC ESTKH-3,X
LDY #$00
FORCPYLP LDA (SRC),Y
STA (DST),Y
@ -242,34 +244,34 @@ FORCPYLP LDA (SRC),Y
BNE +
INC DSTH
INC SRCH
+ DEC ESTKL-2,X
+ DEC ESTKL-3,X
BNE FORCPYLP
DEC ESTKH-2,X
DEC ESTKH-3,X
BNE FORCPYLP
RTS
;
; REVERSE COPY
;
REVCPY ;CLC
LDA ESTKL-2,X
ADC ESTKL,X
LDA ESTKL-3,X
ADC ESTKL-1,X
STA DSTL
LDA ESTKH-2,X
ADC ESTKH,X
LDA ESTKH-3,X
ADC ESTKH-1,X
STA DSTH
CLC
LDA ESTKL-2,X
ADC ESTKL-1,X
LDA ESTKL-3,X
ADC ESTKL-2,X
STA SRCL
LDA ESTKH-2,X
ADC ESTKH-1,X
LDA ESTKH-3,X
ADC ESTKH-2,X
STA SRCH
DEC DSTH
DEC SRCH
LDY #$FF
LDA ESTKL-2,X
LDA ESTKL-3,X
BEQ REVCPYLP
INC ESTKH-2,X
INC ESTKH-3,X
REVCPYLP LDA (SRC),Y
STA (DST),Y
DEY
@ -277,9 +279,9 @@ REVCPYLP LDA (SRC),Y
BNE +
DEC DSTH
DEC SRCH
+ DEC ESTKL-2,X
+ DEC ESTKL-3,X
BNE REVCPYLP
DEC ESTKH-2,X
DEC ESTKH-3,X
BNE REVCPYLP
CPYMEX RTS
end
@ -288,7 +290,7 @@ end
//
// MEMXCPY(DSTSEG, SRC, SIZE)
//
asm memxcpy
asm memxcpy(dst,src,size)#0
LDA ESTKL,X
ORA ESTKH,X
BEQ CPYXMEX
@ -320,6 +322,7 @@ CPYXLP LDA (SRC),Y
LDA #$00
STA DSTX
CPYXMEX INX
INX
INX
RTS
end
@ -328,7 +331,7 @@ end
//
// XPOKEB(SEG, DST, BYTEVAL)
//
asm xpokeb
asm xpokeb(seg, dst, byteval)#0
LDA ESTKL+1,X
STA DSTL
LDA ESTKH+1,X
@ -345,12 +348,13 @@ asm xpokeb
STY DSTX
INX
INX
INX
RTS
end
//
// Unsigned word comparisons.
//
asm uword_isge
asm uword_isge(a,b)#1
LDA ESTKL+1,X
CMP ESTKL,X
LDA ESTKH+1,X
@ -363,7 +367,7 @@ asm uword_isge
INX
RTS
end
asm uword_isle
asm uword_isle(a,b)#1
LDA ESTKL,X
CMP ESTKL+1,X
LDA ESTKH,X
@ -376,7 +380,7 @@ asm uword_isle
INX
RTS
end
asm uword_isgt
asm uword_isgt(a,b)#1
LDA ESTKL,X
CMP ESTKL+1,X
LDA ESTKH,X
@ -388,7 +392,7 @@ asm uword_isgt
INX
RTS
end
asm uword_islt
asm uword_islt(a,b)#1
LDA ESTKL+1,X
CMP ESTKL,X
LDA ESTKH+1,X
@ -403,7 +407,7 @@ end
//
// Addresses of internal routines.
//
asm interp
asm interp()#1
DEX
LDA #<XINTERP
STA ESTKL,X
@ -426,7 +430,7 @@ end
// ^str = len
// return len
//end
asm dcitos
asm dcitos(dci, str)#1
LDA ESTKL,X
STA DSTL
LDA ESTKH,X
@ -466,7 +470,7 @@ end
// loop
// return ^str
//end
asm stodci
asm stodci(str, dci)#1
LDA ESTKL,X
STA DSTL
LDA ESTKH,X
@ -494,7 +498,7 @@ asm stodci
STY ESTKH,X
RTS
end
asm toupper
asm toupper(c)#1
LDA ESTKL,X
TOUPR AND #$7F
CMP #'a'
@ -521,7 +525,7 @@ end
// until !(c & $80)
// return dci
//end
asm modtosym
asm modtosym(mod, dci)#1
LDA ESTKL+1,X
STA SRCL
LDA ESTKH+1,X
@ -562,7 +566,7 @@ end
// tbl = tbl + 3
// loop
// return 0
asm lookuptbl
asm lookuptbl(dci, tbl)#1
LDY #$00
STY DSTL
LDA ESTKH,X
@ -615,7 +619,7 @@ end
// SOS routines
// FILE I/O
//
def getpfx(path)
def getpfx(path)#1
byte params[4]
^path = 0
@ -625,7 +629,7 @@ def getpfx(path)
perr = syscall($C7, @params)
return path
end
def setpfx(path)
def setpfx(path)#1
byte params[3]
params.0 = 1
@ -633,7 +637,7 @@ def setpfx(path)
perr = syscall($C6, @params)
return path
end
def volume(devname, volname, ttlblks, freblks)
def volume(devname, volname, ttlblks, freblks)#1
byte params[9]
params.0 = 4
@ -646,7 +650,7 @@ def volume(devname, volname, ttlblks, freblks)
*freblks = params:7
return perr
end
def open(path, access)
def open(path, access)#1
byte params[7]
params.0 = 4
@ -657,7 +661,7 @@ def open(path, access)
perr = syscall($C8, @params)
return params.3
end
def close(refnum)
def close(refnum)#1
byte params[2]
params.0 = 1
@ -665,7 +669,7 @@ def close(refnum)
perr = syscall($CC, @params)
return perr
end
def read(refnum, buff, len)
def read(refnum, buff, len)#1
byte params[8]
params.0 = 4
@ -676,7 +680,7 @@ def read(refnum, buff, len)
perr = syscall($CA, @params)
return params:6
end
def write(refnum, buff, len)
def write(refnum, buff, len)#1
byte params[6]
params.0 = 3
@ -689,7 +693,7 @@ end
//
// DEVICE I/O
//
def dev_control(devnum, code, list)
def dev_control(devnum, code, list)#1
byte params[5]
params.0 = 3
@ -699,7 +703,7 @@ def dev_control(devnum, code, list)
perr = syscall($83, @params)
return perr
end
def dev_getnum(name)
def dev_getnum(name)#1
byte params[4]
params.0 = 2
@ -708,7 +712,7 @@ def dev_getnum(name)
perr = syscall($84, @params)
return params.3
end
def dev_info(devnum, name, list, listlen)
def dev_info(devnum, name, list, listlen)#1
byte params[7]
params.0 = 4
@ -722,7 +726,7 @@ end
//
// MEMORY CALLS
//
def seg_request(base, limit, id)
def seg_request(base, limit, id)#1
byte params[7]
params.0 = 4
@ -733,7 +737,7 @@ def seg_request(base, limit, id)
perr = syscall($40, @params)
return params.6
end
def seg_find(search, base, limit, pages, id)
def seg_find(search, base, limit, pages, id)#1
byte params[10]
params.0 = 6
@ -748,7 +752,7 @@ def seg_find(search, base, limit, pages, id)
*limit = params:7
return params.9
end
def seg_release(segnum)
def seg_release(segnum)#1
byte params[2]
params.0 = 1
@ -759,7 +763,7 @@ end
//
// Other SOS calls.
//
def quit
def quit()#0
byte params[1]
close(0)
@ -770,7 +774,7 @@ end
//
// CONSOLE I/O
//
def init_cons
def init_cons()#0
byte nlmode[2]
if !refcons
refcons = open(@console, O_READ_WRITE)
@ -781,7 +785,7 @@ def init_cons
nlmode.1 = $0D
dev_control(devcons, $02, @nlmode)
end
def cout(ch)
def cout(ch)#0
if ch == $0D
ch = $0A0D
write(refcons, @ch, 2)
@ -789,18 +793,18 @@ def cout(ch)
write(refcons, @ch, 1)
fin
end
def cin
def cin()#1
byte ch
read(refcons, @ch, 1)
return ch & $7F
end
def prstr(str)
def prstr(str)#0
write(refcons, str + 1, ^str)
if str->[^str] == $0D
cout($0A)
fin
end
def rdstr(prompt)
def rdstr(prompt)#1
cout(prompt)
^heap = read(refcons, heap + 1, 128)
if heap->[^heap] == $0D
@ -809,25 +813,25 @@ def rdstr(prompt)
cout($0D)
return heap
end
def crout
return cout($0D)
def crout()#0
cout($0D)
end
def prbyte(v)
def prbyte(v)#0
cout(hexchar[(v >> 4) & $0F])
return cout(hexchar[v & $0F])
cout(hexchar[v & $0F])
end
def prword(v)
def prword(v)#0
prbyte(v >> 8)
return prbyte(v)
prbyte(v)
end
//
// Heap routines.
//
def availheap
def availheap()#1
byte fp
return @fp - heap
end
def allocheap(size)
def allocheap(size)#1
word addr
addr = heap
heap = heap + size
@ -836,7 +840,7 @@ def allocheap(size)
fin
return addr
end
def allocalignheap(size, pow2, freeaddr)
def allocalignheap(size, pow2, freeaddr)#1
word align, addr
if freeaddr
*freeaddr = heap
@ -849,20 +853,20 @@ def allocalignheap(size, pow2, freeaddr)
fin
return addr
end
def markheap
def markheap()#1
return heap
end
def releaseheap(newheap)
def releaseheap(newheap)#1
heap = newheap
return @newheap - heap
end
//
// Symbol table routines.
//
def lookupsym(sym)
def lookupsym(sym)#1
return lookuptbl(sym, symtbl)
end
def addsym(sym, addr)
def addsym(sym, addr)#0
while ^sym & $80
xpokeb(symtbl.0, lastsym, ^sym)
lastsym = lastsym + 1
@ -877,20 +881,20 @@ end
//
// Module routines.
//
def lookupmod(mod)
def lookupmod(mod)#1
byte dci[17]
return lookuptbl(modtosym(mod, @dci), symtbl)
end
def lookupstrmod(str)
def lookupstrmod(str)#1
byte mod[17]
stodci(str, @mod)
return lookupmod(@mod)
end
def addmod(mod, addr)
def addmod(mod, addr)#0
byte dci[17]
return addsym(modtosym(mod, @dci), addr)
addsym(modtosym(mod, @dci), addr)
end
def lookupextern(esd, index)
def lookupextern(esd, index)#1
word sym, addr
byte str[16]
while ^esd
@ -910,7 +914,7 @@ def lookupextern(esd, index)
loop
return 0
end
def adddef(ext, addr, deflast)
def adddef(ext, addr, deflast)#1
word defentry
defentry = *deflast
*deflast = defentry + 6
@ -920,7 +924,7 @@ def adddef(ext, addr, deflast)
defentry=>5 = ext // ext is byte, so this nulls out next entry
return defentry
end
def lookupdef(addr, deftbl)
def lookupdef(addr, deftbl)#1
while deftbl->0 == $20
if deftbl=>3 == addr
return deftbl
@ -929,7 +933,7 @@ def lookupdef(addr, deftbl)
loop
return 0
end
def loadmod(mod)
def loadmod(mod)#1
word refnum, rdlen, modsize, bytecode, defofst, defcnt, init, fixup
word addr, defaddr, modaddr, modfix, modend
word deftbl, deflast, codeseg
@ -1121,7 +1125,7 @@ end
//
// Command mode
//
def volumes
def volumes()#0
byte info[11]
byte devname[17]
byte volname[17]
@ -1141,7 +1145,7 @@ def volumes
next
perr = 0
end
def catalog(optpath)
def catalog(optpath)#1
byte path[64]
byte refnum
byte firstblk
@ -1202,14 +1206,14 @@ def catalog(optpath)
crout()
return 0
end
def stripchars(strptr)
def stripchars(strptr)#1
while ^strptr and ^(strptr + 1) <> ' '
memcpy(strptr + 1, strptr + 2, ^strptr)
^strptr = ^strptr - 1
loop
return ^strptr
end
def stripspaces(strptr)
def stripspaces(strptr)#0
while ^strptr and ^(strptr + ^strptr) <= ' '
^strptr = ^strptr - 1
loop
@ -1218,7 +1222,7 @@ def stripspaces(strptr)
^strptr = ^strptr - 1
loop
end
def striptrail(strptr)
def striptrail(strptr)#0
byte i
for i = 1 to ^strptr
@ -1228,7 +1232,7 @@ def striptrail(strptr)
fin
next
end
def parsecmd(strptr)
def parsecmd(strptr)#1
byte cmd
cmd = 0
@ -1241,7 +1245,7 @@ def parsecmd(strptr)
stripspaces(strptr)
return cmd
end
def execmod(modfile)
def execmod(modfile)#1
byte moddci[17]
word saveheap, savesym, saveflags