zasm: try for regular number or symbol before parsing expr
Previously, we would mess up literals like '-'.
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@ -2,6 +2,11 @@
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; We expect (HL) to be disposable: we mutate it to avoid having to make a copy.
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; Sets Z on success, unset on error.
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parseExpr:
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; Before we evaluate an expression, we first try for a regular number or
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; symbol. We do this because parsing expressions can mess up some values
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; with its splitting logic. For example '-' is going to end up '\0'.
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call parseNumberOrSymbol
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ret z
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push de
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push hl
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call _parseExpr
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@ -19,7 +24,7 @@ _parseExpr:
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ld a, '*'
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call _findAndSplit
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jp z, _applyMult
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jp parseNumberOrSymbol
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ret ; failure
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; Given a string in (HL) and a separator char in A, return a splitted string,
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; that is, the same (HL) string but with the found A char replaced by a null
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@ -24,3 +24,4 @@ label2: .dw 0x42
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rl d
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rr e
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rlc c
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cp '-'
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