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forth: Forth-ify "@"
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@ -857,22 +857,10 @@ STORE:
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ld (iy+1), h
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jp next
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; ( a -- n )
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.db "@"
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.dw $-STORE
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.db 1
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FETCH:
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.dw nativeWord
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pop hl
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call chkPS
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call intoHL
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push hl
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jp next
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.fill 13
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.fill 30
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.db "_bend"
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.dw $-FETCH
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.dw $-STORE
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.db 5
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; Offset: 0647
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.out $
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@ -86,12 +86,12 @@
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: C<
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( JTBL+40 == CINPTR )
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[ JTBL 40 + @ LITN ] @ EXECUTE
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[ JTBL 40 + @ LITN ] _c @ EXECUTE
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;
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: C,
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HERE @ _c C!
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HERE @ 1 _c + HERE !
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HERE _c @ _c C!
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HERE _c @ 1 _c + HERE !
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;
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( The NOT is to normalize the negative/positive numbers to 1
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@ -126,18 +126,18 @@
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;
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: (entry)
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HERE @ ( h )
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HERE _c @ ( h )
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_c WORD ( h s )
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SCPY ( h )
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( Adjust HERE -1 because SCPY copies the null )
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HERE @ 1 _c - ( h h' )
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HERE _c @ 1 _c - ( h h' )
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_c DUP HERE ! ( h h' )
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_c SWAP _c - ( sz )
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( write prev value )
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HERE @ CURRENT @ _c - ,
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HERE _c @ CURRENT _c @ _c - ,
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( write size )
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_c C,
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HERE @ CURRENT !
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HERE _c @ CURRENT !
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;
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: INTERPRET
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@ -149,7 +149,7 @@
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EXECUTE
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0 FLAGS !
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ELSE
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(parse*) @ EXECUTE
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(parse*) _c @ EXECUTE
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THEN
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AGAIN
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;
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@ -185,7 +185,7 @@
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( is word )
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IF _c DUP _c IMMED? IF EXECUTE ELSE , THEN
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( maybe number )
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ELSE (parse*) @ EXECUTE _c LITN THEN
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ELSE (parse*) _c @ EXECUTE _c LITN THEN
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AGAIN
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; IMMEDIATE
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@ -37,6 +37,7 @@
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( -- )
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: OP1 CREATE C, DOES> C@ A, ;
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0xeb OP1 EXDEHL,
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0x76 OP1 HALT,
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0xc9 OP1 RET,
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0x17 OP1 RLA,
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@ -213,6 +213,16 @@ CODE /MOD
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BC PUSHqq,
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;CODE
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CODE @
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HL POPqq,
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chkPS,
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E (HL) LDrr,
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HL INCss,
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D (HL) LDrr,
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EXDEHL,
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HL PUSHqq,
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;CODE
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CODE C!
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HL POPqq,
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DE POPqq,
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