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Add some initial failing tests.

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Chris Pressey 2018-02-14 13:41:48 +00:00
parent ab33331924
commit aa5b06980c
1 changed files with 73 additions and 1 deletions
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tests/SixtyPical Analysis.md
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@ -517,8 +517,9 @@ Copying to and from a word table.
? TypeMismatchError
You can also copy a literal word to a word table.
(Even if the table has fewer than 256 entries.)
| word table[256] many
| word table[32] many
|
| routine main
| inputs many
@ -530,6 +531,77 @@ You can also copy a literal word to a word table.
| }
= ok
#### tables: range checking ####
A table may not have more than 256 entries.
| word table[512] many
|
| routine main
| inputs many
| outputs many
| trashes a, x, n, z
| {
| ld x, 0
| copy 9999, many + x
| }
? zzzzz
The number of entries in a table must be a power of two.
| word table[48] many
|
| routine main
| inputs many
| outputs many
| trashes a, x, n, z
| {
| ld x, 0
| copy 9999, many + x
| }
? zzzz
If a table has fewer than 256 entries, it cannot be read or written
beyond the maximum number of entries it has.
| byte table[32] many
|
| routine main
| inputs many
| outputs many
| trashes a, x, n, z
| {
| ld x, 31
| ld a, many + x
| st a, many + x
| }
= ok
| byte table[32] many
|
| routine main
| inputs many
| outputs many
| trashes a, x, n, z
| {
| ld x, 32
| ld a, many + x
| }
? RangeError
| byte table[32] many
|
| routine main
| inputs many
| outputs many
| trashes a, x, n, z
| {
| ld x, 32
| ld a, 0
| st a, many + x
| }
? RangeError
### add ###
Can't `add` from or to a memory location that isn't initialized.