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Use trash to avoid writing code that's only to please the analyzer!

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This commit is contained in:
Chris Pressey 2017-12-13 15:30:20 +00:00
parent c7861d375c
commit 7c3e1ae62c
1 changed files with 18 additions and 10 deletions
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28
eg/proto-game.60p
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@ -258,12 +258,14 @@ routine player_logic
copy 81, [ptr] + y
copy new_pos, pos
ld a, 0 // FIXME shouldn't be needed
} else {
copy ^screen, ptr // FIXME shouldn't be needed
ld y, 0 // FIXME shouldn't be needed
ld a, 0 // FIXME shouldn't be needed
add a, 0 // FIXME shouldn't be needed
// FIXME these trashes, strictly speaking, probably shouldn't be needed,
// but currently the compiler cares too much about values that are
// initialized in one branch of an `if`, but not the other, but trashed
// at the end of the routine anyway.
trash ptr
trash y
trash a
trash v
}
}
@ -349,11 +351,17 @@ routine game_state_title_screen
call clear_screen
// call init_game
copy game_state_play, dispatch_game_state
ld a, 0 // FIXME we shouldn't need to.
ld y, 0 // FIXME we shouldn't need to.
st off, c // FIXME we shouldn't need to.
// FIXME these trashes, strictly speaking, probably shouldn't be needed,
// but currently the compiler cares too much about values that are
// initialized in one branch of an `if`, but not the other, but trashed
// at the end of the routine anyway.
trash a
trash n
trash z
} else {
ld a, 0 // FIXME we shouldn't need to.
trash y
trash c
}
goto save_cinv