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zasm: implement error conditions for #inc

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This commit is contained in:
Virgil Dupras 2019-05-27 14:21:46 -04:00
parent 31f7c7771d
commit b298e607bd
3 changed files with 17 additions and 4 deletions
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2
apps/zasm/const.asm
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@ -11,3 +11,5 @@
; Value specified doesn't fit in its destination byte or word
.equ ERR_OVFL 0x04
.equ ERR_FILENOTFOUND 0x05

16
apps/zasm/directive.asm
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@ -184,13 +184,21 @@ handleFIL:
handleINC:
call readWord
jr nz, .end
jr nz, .badfmt
; HL points to scratchpad
call enterDoubleQuotes
jr nz, .end
jr nz, .badfmt
call ioOpenInclude
.end:
xor a ; zero bytes written
jr nz, .badfn
cp a ; ensure Z
ret
.badfmt:
ld a, ERR_BAD_FMT
jr .error
.badfn:
ld a, ERR_FILENOTFOUND
.error:
call unsetZ
ret
; Reads string in (HL) and returns the corresponding ID (D_*) in A. Sets Z if

3
tools/tests/zasm/errtests.sh
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@ -32,5 +32,8 @@ chkerr ".equ" 3
chkerr ".equ foo" 3
chkerr ".org" 3
chkerr ".fill" 3
chkerr "#inc" 3
chkerr "#inc foo" 3
chkerr "ld a, 0x100" 4
chkerr ".db 0x100" 4
chkerr "#inc \"doesnotexist\"" 5