mirror of https://github.com/brouhaha/a1basic.git
More syntax table updates.
This commit is contained in:
Eric Smith
parent
4ae0913535
commit
b6587fdbdb
138
a1basic.asm
138
a1basic.asm
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@ -1550,7 +1550,7 @@ verb_addr_h: rmb $78
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verb $2f,$cf,$ef4e ; RND
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verb $30,$cf,$e759 ; SGN
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verb $31,$cf,$e750 ; ABS
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verb $32,$cf,$0000
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verb $32,$cf,$0000 ; USR
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verb $33,$ff,$ffff
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verb $34,$55,$e823 ; ( used in variable DIM
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verb $35,$c3,$e7a3 ; unary +
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@ -1807,17 +1807,18 @@ Lec4c: sta noun_stk_l,x
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jmp Sefc9
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; syntax tables
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fcb $40
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fcb $40 ; cat 00, end of category
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fcb $60 ; unsigned integer, end of rule
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fcb $60 ; unsigned integer, end of rule
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synstr "-"
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syn_cat_13:
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fcb $60
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fcb $8b
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fcb $60 ; cat 00, end of rule
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synstr "+"
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fcb $00
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fcb $7e
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fcb $7e ; branch "backward" two bytes
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synstr ","
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fcb $33
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syn_cat_12:
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@ -1825,84 +1826,85 @@ syn_cat_12:
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fcb $00
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fcb $00
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fcb $60
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fcb $03
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fcb $bf
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fcb $60 ; cat 00, end of rule
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fcb $03 ; string literal
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synstr "_"
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fcb $12
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fcb $00
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fcb $00 ; return with syntax error
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fcb $40
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synstr ")"
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syn_cat_11:
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fcb $c9
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synstr1 ")"
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fcb $47
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synstr "="
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fcb $17
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syn_cat_18:
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fcb $17
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fcb $68
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fcb $9d
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synstr "="
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fcb $0a
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fcb $00
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fcb $00 ; return with syntax error
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fcb $40
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fcb $60
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fcb $8d
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synstr "-"
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fcb $60
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fcb $8b
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synstr "+"
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fcb $00
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fcb $7e
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fcb $00 ; return with syntax error
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fcb $7e ; branch "backward" two bytes
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synstr ","
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fcb $3c
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fcb $00
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fcb $00
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fcb $00 ; return with syntax error
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fcb $60
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fcb $03
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fcb $bf
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fcb $03 ; string literal
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synstr "_"
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fcb $1b
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fcb $4b
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fcb $67 ; numeric expression, ned of rule
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fcb $67 ; numeric expression, end of rule
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synstr "AT"
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fcb $07 ; numeric expression
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synstr ","
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fcb $07 ; numeric expression
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synstr "HLIN"
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fcb $67 ; numeric expression, ned of rule
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fcb $67 ; numeric expression, end of rule
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synstr ","
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fcb $07 ; numeric expression
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synstr "PLOT"
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fcb $67 ; numeric expression, ned of rule
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fcb $9d
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synstr "COLOR"
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fcb $67 ; numeric expression, end of rule
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synstr "COLOR="
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fcb $67 ; numeric expression, ned of rule
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fcb $67 ; numeric expression, end of rule
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synstr ","
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fcb $07 ; numeric expression
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synstr "POKE"
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synstr1 "PRINT"
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fcb $7f
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fcb $7f ; branch "backward" one byte
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fcb $0e
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fcb $27
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synstr "PRINT"
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fcb $7f
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fcb $7f ; branch "backward" one byte
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fcb $0e
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fcb $28
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synstr "PRINT"
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fcb $64
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fcb $07
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fcb $07 ; numeric expressoin
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synstr "IF"
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fcb $67
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@ -1917,38 +1919,36 @@ syn_cat_18:
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synstr "REM"
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syn_cat_1a:
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fcb $67
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fcb $67 ; numeric expression, end of rule
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synstr "GOSUB"
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synstr1 "RETURN"
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fcb $7e
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fcb $7e ; branch "backward" two bytes
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synstr ","
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fcb $39
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synstr "NEXT"
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fcb $67
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fcb $67 ; numeric expression, end of rule
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synstr "STEP"
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fcb $27
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fcb $27 ; numeric expression, rest optional
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synstr "TO"
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fcb $07
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fcb $9d
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fcb $07 ; numeric expression
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synstr "="
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fcb $19
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synstr "FOR"
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fcb $7f
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fcb $7f ; branch "backward" one byte
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fcb $05
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fcb $37
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synstr "INPUT"
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fcb $7f
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fcb $7f ; branch "backward" one byte
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fcb $05
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fcb $28
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synstr "INPUT"
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fcb $7f
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fcb $7f ; branch "backward" one byte
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fcb $05
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fcb $2a
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synstr "INPUT"
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@ -1960,15 +1960,15 @@ syn_cat_02:
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fcb $ff
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fcb $ff
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fcb $47
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fcb $47 ; numeric expression, end of category
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synstr "TAB"
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fcb $7f
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fcb $7f ; branch "backward" one byte
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fcb $0d
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fcb $30
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synstr "DIM"
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fcb $7f ; branch "backward" 1 byte
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fcb $7f ; branch "backward" one byte
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fcb $0d ; category 0d, required
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fcb $23 ; category 03, optional
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synstr "DIM"
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@ -1978,33 +1978,36 @@ syn_cat_02:
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syn_cat_0b:
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fcb $00
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fcb $40
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fcb $80
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fcb $40 ; unsigned integer, end of category
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fcb $80 ; letter A-Z
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syn_cat_19:
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fcb $c0
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fcb $c1
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fcb $80
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fcb $00
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fcb $47
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fcb $8c
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fcb $47 ; numeric expression, end of category
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synstr ","
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fcb $68
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fcb $8c
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synstr ","
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fcb $db
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fcb $67
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fcb $9b
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fcb $67 ; numeric expression, end of rule
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synstr ";"
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fcb $68
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fcb $9b
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synstr ";"
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syn_cat_0e:
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fcb $50
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fcb $8c
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synstr ","
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fcb $63
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synstr ","
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syn_cat_0d:
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fcb $7f
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fcb $01
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fcb $7f ; branch "backward" one byte
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fcb $01 ; return with no error
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syn_cat_0c:
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fcb $51
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@ -2040,20 +2043,23 @@ syn_cat_09:
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fcb $08
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fcb $68
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fcb $9d
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synstr "="
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fcb $08
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fcb $71
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fcb $07 ; numeric expressoin
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fcb $71 ; cat 11, end of rule
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fcb $07 ; numeric expression
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synstr "("
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syn_cat_16:
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fcb $60
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fcb $76
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fcb $60 ; cat 00, end of rule
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fcb $76 ; cat 16, end of rule
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synstr "NOT"
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fcb $76
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fcb $8d
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fcb $76
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fcb $76 ; cat 16, end of rule
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synstr "-"
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fcb $76 ; cat 16, end of rule
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synstr "+"
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syn_cat_15:
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@ -2189,7 +2195,7 @@ syn_cat_1e:
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synstr "LIST"
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fcb $7a
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fcb $7e
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fcb $7e ; branch "backward" two bytes
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fcb $9a
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fcb $22
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fcb $20 ; (optional) unsigned integer
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@ -2197,7 +2203,7 @@ syn_cat_1f:
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fcb $00
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fcb $60
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fcb $03
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fcb $03 ; string literal
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fcb $bf
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fcb $60
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fcb $03
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