mirror of
https://github.com/dschmenk/PLASMA.git
synced 2025-01-08 07:31:32 +00:00
Simplify stdlib, more efficient memcpy, prepare for libraries
This commit is contained in:
David Schmenk
parent
84e96156a3
commit
42751dbebf
@ -14,7 +14,7 @@ const CFFAEntryPtr = $0B
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;
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; Pedefined functions.
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;
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predef home, gotoxy, viewport, crout, cout, prstr, cin, rdstr
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predef crout, cout, prstr, cin, rdstr
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predef syscall, call
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predef markheap, allocheap, allocalignheap, releaseheap, availheap
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predef memset, memcpy
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@ -25,14 +25,21 @@ predef loadmod, execmod
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;
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byte machid = $08 ; Apple 1 (NA in ProDOS Tech Ref)
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;
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; System variable.
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;
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word systemflags = 0
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word heap
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word symtbl, lastsym
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byte perr
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word cmdptr
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;
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; Standard Library exported functions.
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;
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byte stdlibstr[] = "STDLIB"
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byte machidstr[] = "MACHID"
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byte clsstr[] = "CLS"
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byte gotoxystr[] = "GOTOXY"
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byte viewstr[] = "VIEWPORT"
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byte sysvarstr[] = "SYSVARS"
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byte putcstr[] = "PUTC"
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byte putlnstr[] = "PUTLN"
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byte putsstr[] = "PUTS"
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byte getcstr[] = "GETC"
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byte getsstr[] = "GETS"
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@ -51,15 +58,13 @@ byte uisltstr[] = "ISULT"
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byte uislestr[] = "ISULE"
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byte loadstr[] = "LOAD"
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byte execstr[] = "EXEC"
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word exports[] = @clsstr, @home
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word = @gotoxystr, @gotoxy
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word = @viewstr, @viewport
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word = @putcstr, @cout
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word exports[] = @sysstr, @syscall
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word = @callstr, @call
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word = @putcstr, @cout
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word = @putlnstr, @crout
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word = @putsstr, @prstr
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word = @getcstr, @cin
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word = @getsstr, @rdstr
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word = @sysstr, @syscall
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word = @callstr, @call
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word = @hpmarkstr, @markheap
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word = @hpallocstr,@allocheap
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word = @hpalignstr,@allocalignheap
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@ -73,11 +78,13 @@ word = @uislestr, @uword_isle
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word = @loadstr, @loadmod
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word = @execstr, @execmod
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word = @machidstr, @machid
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word = @sysvarstr, @systemflags
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word = 0
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word stdlibsym = @exports
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;
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; String pool.
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;
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byte autorun[] = "AUTORUN"
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byte version[] = "\nPLASMA 0.9\n"
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byte freestr[] = "MEM FREE:$"
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byte errorstr[] = "ERR:$"
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@ -86,14 +93,6 @@ byte okstr[] = "OK"
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byte huhstr[] = "?\n"
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byte hexchar[] = '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
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;
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; System variable.
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;
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word systemflags = 0
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word heap
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word symtbl, lastsym
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byte perr
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word cmdptr
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;
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; CALL CFFA1 API ENTRYPOINT
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; SYSCALL(CMD)
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;
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@ -609,12 +608,6 @@ def rdstr(prompt)
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cout($0D)
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return inbuff
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end
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def home
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end
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def gotoxy(x, y)
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end
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def viewport(left, top, width, height)
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end
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def prbyte(v)
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cout(hexchar[(v >> 4) & $0F])
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return cout(hexchar[v & $0F])
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@ -758,11 +751,12 @@ def lookupdef(addr, deftbl)
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return 0
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end
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def loadmod(mod)
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word refnum, rdlen, modsize, bytecode, defofst, defcnt, init, fixup
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word rdlen, modsize, bytecode, defofst, defcnt, init, fixup
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word addr, modaddr, modfix, modend
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word deftbl, deflast
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word moddep, rld, esd, sym
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byte str[17], filename[17]
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byte header[128]
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;
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; Read the RELocatable module header (first 128 bytes)
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;
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@ -773,25 +767,26 @@ def loadmod(mod)
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fin
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if rdlen > 0
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readfile(@filename, heap)
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modsize = (heap):0
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moddep = heap+1
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memcpy(@header, heap, 128)
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modsize = header:0
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moddep = @header.1
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defofst = modsize
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init = 0
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if rdlen > 4 and (heap):2 == $DA7E ; DAVE = magic number :-)
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;
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; This is an EXTended RELocatable (data+bytecode) module.
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;
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defofst = (heap):6
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defcnt = (heap):8
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init = (heap):10
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moddep = heap + 12
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defofst = header:6
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defcnt = header:8
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init = header:10
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moddep = @header.12
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;
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; Load module dependencies.
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;
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while ^moddep
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if !lookupmod(moddep)
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if loadmod(moddep) < 0
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return perr
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return -perr
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fin
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fin
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moddep = moddep + dcitos(moddep, @str)
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@ -806,15 +801,11 @@ def loadmod(mod)
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; Re-read file
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;
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readfile(@filename, heap)
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moddep = heap + 12
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while ^moddep
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moddep = moddep + dcitos(moddep, @str)
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loop
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fin
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;
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; Alloc heap space for relocated module (data + bytecode).
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;
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moddep = moddep + 1
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moddep = moddep + 1 - @header + heap
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modfix = moddep - (heap + 2) ; Adjust to skip header
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modsize = modsize - modfix
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rdlen = rdlen - modfix - 2
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@ -993,17 +984,10 @@ def execmod(modfile)
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end
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;
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; Get heap start
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; Get heap start.
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;
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heap = *freemem
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;
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; Print some startup info.
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;
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prstr(@version)
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prstr(@freestr)
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prword(availheap)
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crout
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;
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; Init symbol table.
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;
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symtbl = allocheap($200)
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@ -1017,6 +1001,18 @@ while *stdlibsym
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stdlibsym = stdlibsym + 4
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loop
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;
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; Try to run autorun module.
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;
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execmod(@autorun)
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perr = 0
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;
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; Print some startup info.
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;
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prstr(@version)
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prstr(@freestr)
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prword(availheap)
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crout
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;
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; Handle commands.
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;
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while 1
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134
src/cmd.pla
134
src/cmd.pla
@ -16,26 +16,34 @@ const resxhgr2 = $0020
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;
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; Pedefined functions.
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;
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predef home, gotoxy, viewport, crout, cout, prstr, cin, rdstr
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predef syscall, call
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predef crout, cout, prstr, cin, rdstr
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predef markheap, allocheap, allocalignheap, releaseheap, availheap
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predef memset, memcpy
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predef uword_isgt, uword_isge, uword_islt, uword_isle
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predef loadmod, execmod
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;
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; System variable.
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;
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word systemflags = 0
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word heap
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word xheap = $0800
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word lastsym = symtbl
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byte perr
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word cmdptr
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;
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; Standard Library exported functions.
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;
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byte stdlibstr[] = "STDLIB"
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byte machidstr[] = "MACHID"
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byte clsstr[] = "CLS"
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byte gotoxystr[] = "GOTOXY"
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byte viewstr[] = "VIEWPORT"
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byte sysvarstr[] = "SYSVARS"
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byte sysstr[] = "SYSCALL"
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byte callstr[] = "CALL"
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byte putcstr[] = "PUTC"
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byte putlnstr[] = "PUTLN"
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byte putsstr[] = "PUTS"
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byte getcstr[] = "GETC"
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byte getsstr[] = "GETS"
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byte sysstr[] = "SYSCALL"
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byte callstr[] = "CALL"
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byte hpmarkstr[] = "HEAPMARK"
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byte hpalignstr[] = "HEAPALLOCALIGN"
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byte hpallocstr[] = "HEAPALLOC"
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@ -49,15 +57,13 @@ byte uisltstr[] = "ISULT"
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byte uislestr[] = "ISULE"
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byte loadstr[] = "LOAD"
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byte execstr[] = "EXEC"
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word exports[] = @clsstr, @home
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word = @gotoxystr, @gotoxy
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word = @viewstr, @viewport
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word exports[] = @sysstr, @syscall
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word = @callstr, @call
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word = @putcstr, @cout
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word = @putlnstr, @crout
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word = @putsstr, @prstr
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word = @getcstr, @cin
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word = @getsstr, @rdstr
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word = @sysstr, @syscall
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word = @callstr, @call
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word = @hpmarkstr, @markheap
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word = @hpallocstr,@allocheap
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word = @hpalignstr,@allocalignheap
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@ -71,11 +77,13 @@ word = @uislestr, @uword_isle
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word = @loadstr, @loadmod
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word = @execstr, @execmod
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word = @machidstr, MACHID
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word = @sysvarstr, @systemflags
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word = 0
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word stdlibsym = @exports
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;
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; String pool.
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;
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byte autorun[] = "AUTORUN"
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byte version[] = "PLASMA 0.9\n"
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byte freestr[] = "MEM FREE:$"
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byte errorstr[] = "ERR:$"
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@ -83,15 +91,6 @@ byte okstr[] = "OK"
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byte huhstr[] = "?\n"
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byte prefix[32] = ""
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;
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; System variable.
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;
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word heap
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word lastsym = symtbl
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word xheap = $0800
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word systemflags = 0
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byte perr
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word cmdptr
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;
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; Utility functions
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;
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asm equates
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@ -128,26 +127,26 @@ PARAMS: !WORD 0000
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end
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;
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; CALL 6502 ROUTINE
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; CALL(AREG, XREG, YREG, STATUS, ADDR)
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; CALL(ADDR, AREG, XREG, YREG, STATUS)
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;
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asm call
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REGVALS = SRC
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PHP
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LDA ESTKL,X
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LDA ESTKL+4,X
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STA TMPL
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LDA ESTKH,X
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LDA ESTKH+4,X
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STA TMPH
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INX
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LDA ESTKL,X
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PHA
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INX
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LDA ESTKL,X
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TAY
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INX
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LDA ESTKL+1,X
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TAY
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LDA ESTKL+3,X
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PHA
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LDA ESTKL,X
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LDA ESTKL+2,X
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INX
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INX
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INX
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INX
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STX ESP
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TAX
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PLA
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@ -328,67 +327,6 @@ asm memxcpy
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INX
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RTS
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end
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;
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; HOME
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;
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asm home
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STX ESP
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BIT ROMEN
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JSR $FC58
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BIT LCRDEN+LCBNK2
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LDX ESP
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DEX
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RTS
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end
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;
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; SET VIEWPORT
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; VIEWPORT(LEFT, TOP, WIDTH, HEIGHT)
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;
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asm viewport
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LDA ESTKL+1,X
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BNE +
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LDA ESTKL,X
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BNE +
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STA ESTKL+3,X
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STA ESTKL+2,X
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LDA #40
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STA ESTKL+1,X
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LDA #24
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STA ESTKL,X
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+ LDA ESTKL+3,X
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STA $20
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LDA ESTKL+1,X
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STA $21
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LDA ESTKL+2,X
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STA $22
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CLC
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ADC ESTKL,X
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STA $23
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LDY #$00
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STY $24
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LDA $22
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INX
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INX
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BNE VTAB
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end
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;
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; SET VIEWPORT RELATIVE CURSOR POSITION
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; GOTOXY(X,Y)
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;
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asm gotoxy
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LDA ESTKL+1,X
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STA $24
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LDA ESTKL,X
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CLC
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ADC $22
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VTAB STX ESP
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BIT ROMEN
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JSR $FB5B
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BIT LCRDEN+LCBNK2
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LDX ESP
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INX
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RTS
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end
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asm crout
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DEX
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LDA #$8D
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@ -1032,7 +970,7 @@ def loadmod(mod)
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close(refnum)
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refnum = 0
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if loadmod(moddep) < 0
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return perr
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return -perr
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fin
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fin
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moddep = moddep + dcitos(moddep, @str)
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@ -1351,7 +1289,13 @@ def execmod(modfile)
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fin
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end
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;
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; Get heap start.
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;
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heap = *freemem
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;
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; Init symbol table.
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;
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stodci(@stdlibstr, heap)
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addmod(heap, 1)
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while *stdlibsym
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@ -1359,7 +1303,15 @@ while *stdlibsym
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addsym(heap, (stdlibsym):2)
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stdlibsym = stdlibsym + 4
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loop
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;
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; Try to run autorun module.
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;
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execmod(@autorun)
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resetmemfiles()
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perr = 0
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;
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; Print some startup info.
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;
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prstr(@version)
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prstr(@freestr)
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prword(availheap)
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60
src/plvm02.s
60
src/plvm02.s
@ -161,51 +161,9 @@ RAMDONE CLI
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STA $D103,Y ; YEAH, I HARDCODED THE ADDRESS
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DEY
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BPL -
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;*
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;* LOOK FOR STARTUP FILE
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;*
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JSR PRODOS ; OPEN AUTORUN
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!BYTE $C8
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!WORD OPENPARMS
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BNE NOAUTO
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LDA REFNUM
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STA NLPARMS+1
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JSR PRODOS
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!BYTE $C9
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!WORD NLPARMS
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BNE NOAUTO
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LDA REFNUM
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STA READPARMS+1
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JSR PRODOS
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!BYTE $CA
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!WORD READPARMS
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BNE NOAUTO
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LDX READPARMS+6
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STX STRBUF ; STRING LENGTH
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JSR PRODOS
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!BYTE $CC
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!WORD CLOSEPARMS
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NOAUTO JMP CMDEXEC
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JMP CMDEXEC
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GETPFXPARMS !BYTE 1
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!WORD STRBUF ; PATH STRING GOES HERE
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AUTORUN !BYTE 7
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!TEXT "AUTORUN"
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OPENPARMS !BYTE 3
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!WORD AUTORUN
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!WORD $0800
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REFNUM !BYTE 0
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NLPARMS !BYTE 3
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!BYTE 0
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!BYTE $7F
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!BYTE $0D
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READPARMS !BYTE 4
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!BYTE 0
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!WORD STRBUF+1
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!WORD $0080
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!WORD 0
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CLOSEPARMS !BYTE 1
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!BYTE 0
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PAGE3 = *
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!PSEUDOPC $03D0 {
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;*
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@ -359,12 +317,12 @@ NEXTOPX INY
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FETCHOPX LDA (IP),Y
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STA *+4
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JMP (OPXTBL) ; USE AUX OPCODES
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TIMERX STA ALTRDOFF
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CLI
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JSR JMPTMR
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SEI
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STA ALTRDON
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JMP FETCHOPX
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;TIMERX STA ALTRDOFF
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; CLI
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; JSR JMPTMR
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; SEI
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; STA ALTRDON
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; JMP FETCHOPX
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;*
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;* INTERP BYTECODE IN MAIN MEM
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;*
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@ -379,8 +337,8 @@ FETCHOP LDA (IP),Y
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ORA #$80 ; USE MAIN OPCODES
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STA *+4
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JMP (OPTBL)
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TIMER JSR JMPTMR
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JMP FETCHOP
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;TIMER JSR JMPTMR
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; JMP FETCHOP
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;*
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;* INDIRECT JUMP TO (TMRVEC)
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;*
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118
src/rod.pla
118
src/rod.pla
@ -2,56 +2,55 @@ import STDLIB
|
||||
predef call, puts
|
||||
end
|
||||
;
|
||||
; Handy constants.
|
||||
;
|
||||
const FALSE=$0000
|
||||
const TRUE=!FALSE
|
||||
;
|
||||
; CALL return register structure.
|
||||
;
|
||||
const acc = 0
|
||||
const xreg = 1
|
||||
const yreg = 2
|
||||
const preg = 3
|
||||
const acc = 0
|
||||
const xreg = 1
|
||||
const yreg = 2
|
||||
const preg = 3
|
||||
;
|
||||
; Hardware constants
|
||||
; Hardware constants.
|
||||
;
|
||||
const speaker = $C030
|
||||
const showgraphics = $C050
|
||||
const showtext = $C051
|
||||
const showfull = $C052
|
||||
const showmix = $C053
|
||||
const showpage1 = $C054
|
||||
const showpage2 = $C055
|
||||
const showlores = $C056
|
||||
const showhires = $C057
|
||||
const keyboard = $C000
|
||||
const keystrobe = $C010
|
||||
const hgr1 = $2000
|
||||
const hgr2 = $4000
|
||||
const page1 = 0
|
||||
const page2 = 1
|
||||
;
|
||||
; ROM routinse.
|
||||
;
|
||||
const grplot = $F800
|
||||
const initmode = $FB2F
|
||||
const textmode = $FB39
|
||||
const grmode = $FB40
|
||||
const vtab = $FB5B
|
||||
const grcolor = $F864
|
||||
const home = $FC58
|
||||
;
|
||||
; String data.
|
||||
;
|
||||
const speaker=$C030
|
||||
const showgraphics=$C050
|
||||
const showtext=$C051
|
||||
const showfull=$C052
|
||||
const showmix=$C053
|
||||
const TRUE=$FFFF
|
||||
const FALSE=$0000
|
||||
const showpage1=$C054
|
||||
const showpage2=$C055
|
||||
const showlores=$C056
|
||||
const showhires=$C057
|
||||
const keyboard=$C000
|
||||
const keystrobe=$C010
|
||||
const hgr1=$2000
|
||||
const hgr2=$4000
|
||||
const page1=0
|
||||
const page2=1
|
||||
byte exitmsg[] = "Press any key to exit.\n"
|
||||
byte goodbye[] = "That's all, folks!\n"
|
||||
byte i, j, k, w, fmi, fmk, color
|
||||
def textmode
|
||||
call(0, 0, 0, 0, $FB39)
|
||||
end
|
||||
def home
|
||||
call(0, 0, 0, 0, $FC58)
|
||||
end
|
||||
def gotoxy(x, y)
|
||||
^($24) = x
|
||||
call(y, 0, 0, 0, $FB5B)
|
||||
end
|
||||
def grmode
|
||||
call(0, 0, 0, 0, $FB40)
|
||||
^showlores
|
||||
end
|
||||
def grcolor(color)
|
||||
call(color, 0, 0, 0, $F864)
|
||||
end
|
||||
def grplot(x, y)
|
||||
call(y, 0, x, 0, $F800)
|
||||
end
|
||||
def colors
|
||||
;
|
||||
; Rod's Colors
|
||||
;
|
||||
def rod
|
||||
byte i, j, k, w, fmi, fmk, color
|
||||
while TRUE
|
||||
for w = 3 to 50
|
||||
for i = 1 to 19
|
||||
@ -60,15 +59,15 @@ def colors
|
||||
color = (j * 3) / (i + 3) + i * w / 12
|
||||
fmi = 40 - i
|
||||
fmk = 40 - k
|
||||
call(color, 0, 0, 0, $F864) ;grcolor(color);
|
||||
call(k, 0, i, 0, $F800) ;grplot(i, k);
|
||||
call(i, 0, k, 0, $F800) ;grplot(k, i);
|
||||
call(fmk, 0, fmi, 0, $F800) ;grplot(fmi, fmk);
|
||||
call(fmi, 0, fmk, 0, $F800) ;grplot(fmk, fmi);
|
||||
call(fmi, 0, k, 0, $F800) ;grplot(k, fmi);
|
||||
call(k, 0, fmi, 0, $F800) ;grplot(fmi, k);
|
||||
call(fmk, 0, i, 0, $F800) ;grplot(i, fmk);
|
||||
call(i, 0, fmk, 0, $F800) ;grplot(fmk, i);
|
||||
call(grcolor, color, 0, 0, 0) ;grcolor(color);
|
||||
call(grplot, k, 0, i, 0) ;grplot(i, k);
|
||||
call(grplot, i, 0, k, 0) ;grplot(k, i);
|
||||
call(grplot, fmk, 0, fmi, 0) ;grplot(fmi, fmk);
|
||||
call(grplot, fmi, 0, fmk, 0) ;grplot(fmk, fmi);
|
||||
call(grplot, fmi, 0, k, 0) ;grplot(k, fmi);
|
||||
call(grplot, k, 0, fmi, 0) ;grplot(fmi, k);
|
||||
call(grplot, fmk, 0, i, 0) ;grplot(i, fmk);
|
||||
call(grplot, i, 0, fmk, 0) ;grplot(fmk, i);
|
||||
if ^keyboard >= 128
|
||||
return ^keystrobe
|
||||
fin
|
||||
@ -78,12 +77,13 @@ def colors
|
||||
loop
|
||||
end
|
||||
|
||||
|
||||
grmode()
|
||||
gotoxy(10,22)
|
||||
call(initmode, 0, 0, 0, 0) ;initmode()
|
||||
call(grmode, 0, 0, 0, 0) ;grmode()
|
||||
^$24 = 10 ;gotoxy(10,22)
|
||||
call(vtab, 22, 0, 0, 0)
|
||||
puts(@exitmsg)
|
||||
colors()
|
||||
textmode()
|
||||
home()
|
||||
rod
|
||||
call(textmode, 0, 0, 0, 0) ;textmode()
|
||||
call(home, 0, 0, 0, 0) ;home()
|
||||
puts(@goodbye)
|
||||
done
|
||||
149
src/soscmd.pla
149
src/soscmd.pla
@ -9,7 +9,7 @@ const O_READ_WRITE = 3
|
||||
;
|
||||
; Pedefined functions.
|
||||
;
|
||||
predef home, gotoxy, viewport, crout, cout, prstr, cin, rdstr
|
||||
predef crout, cout, prstr, cin, rdstr
|
||||
predef syscall, call
|
||||
predef markheap, allocheap, allocalignheap, releaseheap, availheap
|
||||
predef memset, memcpy
|
||||
@ -20,20 +20,29 @@ predef loadmod, execmod
|
||||
;
|
||||
byte machid = $F2 ; Apple ///, 80 columns
|
||||
;
|
||||
; System variable.
|
||||
;
|
||||
word systemflags = 0
|
||||
word heap = $2000
|
||||
word refcons, devcons
|
||||
byte modid = 0
|
||||
byte modseg[15]
|
||||
word symtbl, lastsym
|
||||
byte perr, terr, lerr
|
||||
word cmdptr
|
||||
;
|
||||
; Standard Library exported functions.
|
||||
;
|
||||
byte stdlibstr[] = "STDLIB"
|
||||
byte machidstr[] = "MACHID"
|
||||
byte clsstr[] = "CLS"
|
||||
byte gotoxystr[] = "GOTOXY"
|
||||
byte viewstr[] = "VIEWPORT"
|
||||
byte sysvarstr[] = "SYSVARS"
|
||||
byte sysstr[] = "SYSCALL"
|
||||
byte callstr[] = "CALL"
|
||||
byte putcstr[] = "PUTC"
|
||||
byte putlnstr[] = "PUTLN"
|
||||
byte putsstr[] = "PUTS"
|
||||
byte getcstr[] = "GETC"
|
||||
byte getsstr[] = "GETS"
|
||||
byte sysstr[] = "SYSCALL"
|
||||
byte sysstr[] = "SYSCALL"
|
||||
byte callstr[] = "CALL"
|
||||
byte hpmarkstr[] = "HEAPMARK"
|
||||
byte hpalignstr[] = "HEAPALLOCALIGN"
|
||||
byte hpallocstr[] = "HEAPALLOC"
|
||||
@ -47,15 +56,13 @@ byte uisltstr[] = "ISULT"
|
||||
byte uislestr[] = "ISULE"
|
||||
byte loadstr[] = "LOAD"
|
||||
byte execstr[] = "EXEC"
|
||||
word exports[] = @clsstr, @home
|
||||
word = @gotoxystr, @gotoxy
|
||||
word = @viewstr, @viewport
|
||||
word exports[] = @sysstr, @syscall
|
||||
word = @callstr, @call
|
||||
word = @putcstr, @cout
|
||||
word = @putlnstr, @crout
|
||||
word = @putsstr, @prstr
|
||||
word = @getcstr, @cin
|
||||
word = @getsstr, @rdstr
|
||||
word = @sysstr, @syscall
|
||||
word = @callstr, @call
|
||||
word = @hpmarkstr, @markheap
|
||||
word = @hpallocstr,@allocheap
|
||||
word = @hpalignstr,@allocalignheap
|
||||
@ -69,32 +76,23 @@ word = @uislestr, @uword_isle
|
||||
word = @loadstr, @loadmod
|
||||
word = @execstr, @execmod
|
||||
word = @machidstr, @machid
|
||||
word = @sysvarstr, @systemflags
|
||||
word = 0
|
||||
word stdlibsym = @exports
|
||||
;
|
||||
; String pool.
|
||||
;
|
||||
byte console[] = ".CONSOLE"
|
||||
byte devtovol[] = " => /"
|
||||
byte autorun[] = "AUTORUN"
|
||||
byte version[] = "PLASMA 0.9\n"
|
||||
byte freestr[] = "MEM FREE:$"
|
||||
byte errorstr[] = "ERR:$"
|
||||
byte okstr[] = "OK"
|
||||
byte huhstr[] = "?\n"
|
||||
byte devtovol[] = " => /"
|
||||
byte prefix[128] = ""
|
||||
byte hexchar[] = '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
|
||||
;
|
||||
; System variable.
|
||||
;
|
||||
word systemflags = 0
|
||||
byte modid = 0
|
||||
byte modseg[15]
|
||||
word heap = $2000
|
||||
word symtbl, lastsym
|
||||
word refcons, devcons
|
||||
byte perr, terr, lerr
|
||||
word cmdptr
|
||||
;
|
||||
; CALL SOS
|
||||
; SYSCALL(CMD, PARAMS)
|
||||
;
|
||||
@ -804,31 +802,6 @@ def rdstr(prompt)
|
||||
cout($0D)
|
||||
return heap
|
||||
end
|
||||
def home
|
||||
return cout(28)
|
||||
end
|
||||
def gotoxy(x, y)
|
||||
cout(26)
|
||||
cout(x)
|
||||
return cout(y)
|
||||
end
|
||||
def viewport(left, top, width, height)
|
||||
if !width or !height
|
||||
;
|
||||
; Reset the full-screen viewport
|
||||
;
|
||||
left = 0
|
||||
top = 0
|
||||
width = 80
|
||||
height = 24
|
||||
fin
|
||||
cout(1) ; Reset viewport
|
||||
gotoxy(left, top)
|
||||
cout(2)
|
||||
gotoxy(width - 1, height - 1)
|
||||
cout(3)
|
||||
return gotoxy(0, 0)
|
||||
end
|
||||
def crout
|
||||
return cout($0D)
|
||||
end
|
||||
@ -963,28 +936,15 @@ def adddef(ext, addr, deflast)
|
||||
(defentry):1 = interp
|
||||
(defentry):3 = addr
|
||||
(defentry):5 = ext ; ext is byte, so this nulls out next entry
|
||||
;prword(defentry)
|
||||
;cout('@')
|
||||
;prbyte(ext)
|
||||
;cout(':')
|
||||
;prword(addr)
|
||||
;crout
|
||||
return defentry
|
||||
end
|
||||
def lookupdef(addr, deftbl)
|
||||
while (deftbl).0 == $20
|
||||
if (deftbl):3 == addr
|
||||
;prword(addr)
|
||||
;cout('>')
|
||||
;prword(deftbl)
|
||||
;crout
|
||||
return deftbl
|
||||
fin
|
||||
deftbl = deftbl + 6
|
||||
loop
|
||||
;prword(addr)
|
||||
;cout('?')
|
||||
;crout
|
||||
return 0
|
||||
end
|
||||
def loadmod(mod)
|
||||
@ -1001,7 +961,6 @@ def loadmod(mod)
|
||||
dcitos(mod, @filename)
|
||||
refnum = open(@filename, O_READ)
|
||||
if refnum > 0
|
||||
;newline(refnum, 0, $0D)
|
||||
rdlen = read(refnum, @header, 128)
|
||||
modsize = header:0
|
||||
moddep = @header.1
|
||||
@ -1024,7 +983,7 @@ def loadmod(mod)
|
||||
close(refnum)
|
||||
refnum = 0
|
||||
if loadmod(moddep) < 0
|
||||
return perr
|
||||
return -perr
|
||||
fin
|
||||
fin
|
||||
moddep = moddep + dcitos(moddep, @str)
|
||||
@ -1084,13 +1043,6 @@ def loadmod(mod)
|
||||
if !codeseg.1 ; Fix up address if at bottom of segment: 8n:00 -> 8(n-1):80
|
||||
codeseg = codeseg - $8001
|
||||
fin
|
||||
;prbyte((rld - bytecode + 255) >> 8)
|
||||
;cout(':')
|
||||
;prword(codeseg)
|
||||
;cout('-')
|
||||
;cout('>')
|
||||
;prword(defaddr)
|
||||
;crout
|
||||
defext = codeseg.0 | $80
|
||||
defaddr = codeseg & $FF00
|
||||
;
|
||||
@ -1105,49 +1057,15 @@ def loadmod(mod)
|
||||
else
|
||||
addr = (rld):1 + modfix
|
||||
if uword_isge(addr, modaddr) ; Skip fixups to header
|
||||
;if uword_isge(addr, modend)
|
||||
; cout('<')
|
||||
; prword((rld):1)
|
||||
; cout('>')
|
||||
; prword(rld)
|
||||
; crout
|
||||
;fin
|
||||
if ^rld & $80 ; WORD sized fixup.
|
||||
fixup = *addr
|
||||
else ; BYTE sized fixup.
|
||||
fixup = ^addr
|
||||
fin
|
||||
; if uword_isge(fixup, modend)
|
||||
; cout('<')
|
||||
; cout('<')
|
||||
; prword(*addr);fixup)
|
||||
; cout('@')
|
||||
; prword(addr)
|
||||
; cout('>')
|
||||
; cout('>')
|
||||
; prword(^rld)
|
||||
; crout
|
||||
; fin
|
||||
if ^rld & $10 ; EXTERN reference.
|
||||
fixup = fixup + lookupextern(esd, (rld).3)
|
||||
else ; INTERN fixup.
|
||||
fixup = fixup + modfix - MODADDR
|
||||
; if uword_isge(fixup, modend)
|
||||
; prword(@(modaddr).$62)
|
||||
; cout('=')
|
||||
; prword((modaddr).$62)
|
||||
; crout
|
||||
; cout('<')
|
||||
; cout('<')
|
||||
; cout('<')
|
||||
; prword(fixup)
|
||||
; cout('>')
|
||||
; cout('>')
|
||||
; cout('>')
|
||||
; prword(rld)
|
||||
; cin
|
||||
; crout
|
||||
; fin
|
||||
if uword_isge(fixup, bytecode)
|
||||
;
|
||||
; Bytecode address - replace with call def directory.
|
||||
@ -1353,17 +1271,10 @@ def execmod(modfile)
|
||||
end
|
||||
|
||||
;
|
||||
; Init console
|
||||
; Init console.
|
||||
;
|
||||
init_cons
|
||||
;
|
||||
; Print some startup info.
|
||||
;
|
||||
prstr(@version)
|
||||
prstr(@freestr)
|
||||
prword(availheap)
|
||||
crout
|
||||
;
|
||||
; Init symbol table.
|
||||
;
|
||||
symtbl = allocheap($400)
|
||||
@ -1377,6 +1288,18 @@ while *stdlibsym
|
||||
stdlibsym = stdlibsym + 4
|
||||
loop
|
||||
;
|
||||
; Try to run autorun module.
|
||||
;
|
||||
execmod(@autorun)
|
||||
perr = 0
|
||||
;
|
||||
; Print some startup info.
|
||||
;
|
||||
prstr(@version)
|
||||
prstr(@freestr)
|
||||
prword(availheap)
|
||||
crout
|
||||
;
|
||||
; Handle commands.
|
||||
;
|
||||
while 1
|
||||
|
||||
30
src/test.pla
30
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)
|
||||
gotoxy(15,5)
|
||||
putln
|
||||
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)
|
||||
|
||||
@ -38,10 +38,6 @@ export def puti(i)
|
||||
fin
|
||||
end
|
||||
|
||||
export def putln
|
||||
putc($0D)
|
||||
end
|
||||
|
||||
puts(@loadstr)
|
||||
putln
|
||||
done
|
||||
|
||||
Loading…
Reference in New Issue
Block a user