FP WIP

src/inc/conio.plh

@@ -1,4 +1,7 @@
 import conio
+const NORMAL  = $FF
+const INVERSE = $3F
+const FLASH   = $7F
 struc t_conio
     word keypressed
     word home

src/libsrc/conio.pla

@@ -202,6 +202,7 @@ def a2viewport(left, top, width, height)
     return a2gotoxy(0, 0)
 end
 def a2texttype(type)
+    ^$32 = type
 end
 def a2textmode(columns)
     call($FB39, 0, 0, 0, 0) // textmode()

src/libsrc/fpstr.pla

@@ -172,16 +172,16 @@ export def ext2str(ext, str, intdigits, fracdigits, format)
             decrec:exp++
         loop
     fin
-    if sigdigits - decrec:exp > numdigits or decrec:exp > 0 or format & $04
+    if -decrec:exp > numdigits or decrec:exp > 0 or format & $04
         //
         // Convert to exponential format
         //
         ^(str+2) = decrec.sig.1
         ^(str+3) = '.'
         i = 3
-        for d = 2 to decrec.sig
+        for d = 0 to fracdigits
             i++
-            ^(str+i) = decrec.sig[d]
+            ^(str+i) = decrec.sig.2[d]
         next
         //
         // Copy over all significant digits

src/samplesrc/rpncalc.pla

@@ -21,10 +21,10 @@ struc t_keyinput
     byte keyinfo[t_keypad]
     word phandler
 end
-predef delKey#0, clearKey#0, dropKey#0
+predef delKey#0, cmdKey#0, dropKey#0
 predef digitKey#0, zeroKey#0, pointKey#0, opKey#0
 predef enterKey#0, chsKey#0, memKey#0
-predef sqrtKey#0, piKey#0
+predef sqrtKey#0, absKey#0
 //
 // Current input
 //
@@ -39,7 +39,7 @@ byte memory[10*t_extended]
 byte[t_keypad] keypad = $08, 0, 0, ""
 word                  = @delKey
 byte[t_keypad]        = $1B, 0, 0, ""
-word                  = @clearKey
+word                  = @cmdKey
 byte[t_keypad]        = '=', 0, 0, ""
 word                  = @dropKey
 byte[t_keypad]        = '7',  3, 10, "[7]"
@@ -70,8 +70,8 @@ byte[t_keypad]        = '0',  3, 16, "[0]"
 word                  = @zeroKey
 byte[t_keypad]        = '.',  7, 16, "[.]"
 word                  = @pointKey
-byte[t_keypad]        = '?', 11, 16, "[?]"
-word                  = @chsKey
+byte[t_keypad]        = '@', 11, 16, "[@]"
+word                  = @opKey
 byte[t_keypad]        = '+', 15, 16, "[+]"
 word                  = @opKey
 byte[t_keypad]        = $0D,  3, 18, "[ENTER]"
@@ -80,10 +80,10 @@ byte[t_keypad]        = '<', 11, 18, "[<]"
 word                  = @memKey
 byte[t_keypad]        = '>', 15, 18, "[>]"
 word                  = @memKey
-byte[t_keypad]        = 'Q',  3, 20, "[S(Q)R]"
-word                  = @sqrtKey
-byte[t_keypad]        = 'P', 11, 20, "[ (P)I]"
-word                  = @piKey
+byte[t_keypad]        = 'A',  3, 20, "[(A)BS]"
+word                  = @opKey
+byte[t_keypad]        = 'N', 11, 20, "[(N)EG]"
+word                  = @chsKey
 byte                  = 0
 //
 // Display format state
@@ -192,8 +192,6 @@ def initDisplay#0
         puts(pkeys + keystr)
         pkeys = pkeys + t_keyinput
     loop
-    initInput
-    showInput
 end
 def initState#0
     byte m
@@ -205,19 +203,20 @@ def initState#0
     //
     // Fill memory
     //
-    for m = 0 to 9
+    for m = 2 to 9
         fpu:storExt(@memory[m*t_extended], X_REG)
     next
-    showStack
-    showMem
+    //
+    // Put some useful constants in there
+    //
+    fpu:constPi()
+    fpu:pullExt(@memory[0*t_extended])
+    fpu:constE()
+    fpu:pullExt(@memory[1*t_extended])
 end
 //
 // Keypress input handlers
 //
-def clearKey(pkey)#0
-    initInput
-    showInput
-end
 def delKey(pkey)#0
     if inputStr
         inputStr--
@@ -283,6 +282,12 @@ def opKey(pkey)#0
         is '/'
             fpu:div()
             break
+        is '@'
+            fpu:sqrt()
+            break
+        is 'A'
+            fpu:abs()
+            break
     wend
     showStack
 end
@@ -315,15 +320,24 @@ def memKey(pkey)#0
         fin
     fin
 end
-def sqrtKey(pkey)#0
-    updateInput
-    fpu:sqrt()
-    showStack
-end
-def piKey(pkey)#0
-    fpu:constPi()
+//
+// Command line handler
+//
+def cmdKey(pkey)#0
+    word cmdLine
+
+    showStatus("Command")
+    cmdLine = gets(':'|$80)
+    clearStatus
+    //
+    // Do something
+    //
+    initDisplay
     showStack
+    showMem
+    showInput
 end
+
 //
 // Keypress handler
 //
@@ -337,7 +351,13 @@ def inputKey
         inkey = toupper(getc)
         while ^pkeys
             if inkey == ^pkeys
+                conio:texttype(INVERSE)
+                conio:gotoxy(pkeys->xpos, pkeys->ypos)
+                puts(pkeys + keystr)
+                conio:texttype(NORMAL)
                 pkeys=>phandler(pkeys)#0
+                conio:gotoxy(pkeys->xpos, pkeys->ypos)
+                puts(pkeys + keystr)
                 break
             fin
             pkeys = pkeys + t_keyinput
@@ -346,6 +366,10 @@ def inputKey
 end
 initDisplay
 initState
+initInput
+showStack
+showMem
+showInput
 inputKey
 conio:gotoxy(0, 22)
 done

src/samplesrc/sanity.pla

@@ -178,16 +178,17 @@ def ext2str(ext, str, intdigits, fracdigits, format)
     //puts("sigdigits: "); puti(sigdigits); putln
     //putc(decrec.sgn ?? '-' :: '+'); puts(@decrec.sig); putc('e'); puti(decrec:exp); putln
     //sane:zpSave()
-    if sigdigits - decrec:exp > numdigits or decrec:exp > 0 or format & $04
+    //if sigdigits - decrec:exp > numdigits or decrec:exp > 0 or format & $04
+    if -decrec:exp > numdigits or decrec:exp > 0 or format & $04
         //
         // Convert to exponential format
         //
         ^(str+2) = decrec.sig.1
         ^(str+3) = '.'
         i = 3
-        for d = 2 to decrec.sig
+        for d = 0 to fracdigits//decrec.sig
             i++
-            ^(str+i) = decrec.sig[d]
+            ^(str+i) = decrec.sig.2[d]
         next
         //
         // Copy over all significant digits
@@ -261,7 +262,7 @@ def divstri(strNum, denom, format)#0
     sane:zpSave()
     str2ext(strNum, @xResult)
     sane:fpOp2(FFINT|FODIV, @xResult, @denom) // Div int denom into ext Result
-    ext2str(@xResult, @strResult, format & $05 ?? 1 :: 6, 4, format)
+    ext2str(@xResult, @strResult, 6, 4, format)//format & $05 ?? 1 :: 6, 4, format)
     sane:zpRestore()
     puts(strNum); putc('/'); puti(denom); putc('='); puts(@strResult); putln
 end
@@ -334,4 +335,5 @@ divstri("800000", 2, 4)
 divstri("1e+2", 2, 2)
 divstri("-1e-2", 2, 2)
 divstri("0", 1, 2)
+divstri("1000", 1, 1)
 done