cleanup

defines_apple.s

@@ -7,7 +7,7 @@ CBM_APPLE := 1
 KIM_APPLE := 1
 CONFIG_SCRTCH_ORDER := 1
 CONFIG_PRINT_CR := 1 ; print CR when line end reached
-CONFIG_IO_MSB := 1 ; IO is 7 bit, MSB may be randomly set
+CONFIG_IO_MSB := 1 ; all I/O has bit #7 set
 ; INPUTBUFFER > $0100
 
 CRLF_1 := $0D

defines_cbm.s

@@ -6,6 +6,7 @@ CBM_APPLE := 1
 CONFIG_DATAFLAG := 1
 CONFIG_BUG_GET_ERROR := 1; treat GET error like READ error
 CONFIG_PRINTNULLS := 1; whether PRINTNULLS does anything
+CONFIG_SPC_IS_CRSR_RIGHT := 1; always print CRSR RIGHT for SPC() (otherwise only for screen output)
 ; minor: just code order
 CONFIG_INPUTBUFFER_ORDER := 1 ; ldx/ldy or ldy/ldx
 .else
@@ -45,7 +46,7 @@ GOSTROUT        := $0006
 GOGIVEAYF       := $0008
 
 Z15             := $0004
-POSX             := $0005
+POSX            := $0005
 Z17             := $0006
 Z18             := $0007
 LINNUM          := $0008

msbasic.s

@@ -25,9 +25,7 @@
 .include "misc2.s"
 .include "string.s"
 .include "misc3.s"
-.ifndef KBD
 .include "poke.s"
-.endif
 .include "float.s"
 .include "chrget.s"
 .include "rnd.s"

poke.s

@@ -1,5 +1,6 @@
 .segment "CODE"
 
+.ifndef KBD
 ; ----------------------------------------------------------------------------
 ; "PEEK" FUNCTION
 ; ----------------------------------------------------------------------------
@@ -74,3 +75,4 @@ L362C:
         beq     L362C
 RTS3:
         rts
+.endif /* KBD */

print.s

@@ -184,31 +184,29 @@ L29F5:
 .endif
         jsr     GTBYTC
         cmp     #')'
-.ifndef CONFIG_11A
+.ifdef CONFIG_11A
-.ifdef APPLE
+  .ifdef CBM2_KBD
+        bne     SYNERR4
+  .else
+        jne     SYNERR
+  .endif
+        plp
+        bcc     L2A09
+.else
+  .ifdef APPLE
         beq     L1185
         jmp     SYNERR
 L1185:
-.else
+  .else
         bne     SYNERR4
-.endif
+  .endif
         pla
         cmp     #TOKEN_TAB
-.ifdef APPLE
+  .ifdef APPLE
         bne     L2A09
-.else
+  .else
         bne     L2A0A
-.endif
+  .endif
-.else
-.ifdef CBM2_KBD
-        bne     SYNERR4
-.else
-        beq     @1
-        jmp     SYNERR
-@1:
-.endif
-        plp	;; XXX c64 has this
-        bcc     L2A09
 .endif
         txa
         sbc     POSX
@@ -267,15 +265,15 @@ L2A22:
         jmp     L2A22
 ; ----------------------------------------------------------------------------
 OUTSP:
-.ifdef CBM2
+.ifdef CONFIG_FILE
-        lda     $0E
+  .ifndef CONFIG_SPC_IS_CRSR_RIGHT
+        lda     Z03
         beq     LCA40
         lda     #$20
         .byte   $2C
 LCA40:
-.endif
+  .endif
-.ifdef CONFIG_CBM_ALL
+        lda     #$1D ; CRSR RIGHT
-        lda     #$1D
 .else
         lda     #$20
 .endif
@@ -295,18 +293,18 @@ OUTDO:
         pha
 .endif
 .ifdef CBM1
-        cmp     #$1D
+        cmp     #$1D ; CRSR RIGHT
         beq     LCA6A
-        cmp     #$9D
+        cmp     #$9D ; CRSR LEFT
         beq     LCA5A
-        cmp     #$14
+        cmp     #$14 ; DEL
         bne     LCA64
 LCA5A:
-        lda     $05
+        lda     POSX
         beq     L2A4E
         lda     Z03
         bne     L2A4E
-        dec     $05
+        dec     POSX
 LCA64:
         and     #$7F
 .endif
@@ -324,13 +322,13 @@ LCA6A:
         lda     POSX
         cmp     Z17
         bne     L2A4C
-.ifdef APPLE
+  .ifdef APPLE
         nop ; PATCH!
         nop ; don't print CR
         nop
-.else
+  .else
         jsr     CRDO
-.endif
+  .endif
 L2A4C:
 .endif
 .ifndef CONFIG_CBM_ALL
@@ -343,11 +341,11 @@ L2A4E:
 .ifdef KIM
         sty     DIMFLG
 .endif
-.ifdef APPLE
+.ifdef CONFIG_IO_MSB
         ora     #$80
 .endif
         jsr     MONCOUT
-.ifdef APPLE
+.ifdef CONFIG_IO_MSB
         and     #$7F
 .endif
 .ifdef KIM
@@ -363,6 +361,10 @@ L2A56:
         and     #$FF
 LE8F2:
         rts
+
+; ----------------------------------------------------------------------------
+; ???
+; ----------------------------------------------------------------------------
 .ifdef KBD
 LE8F3:
         pha