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Clean up offset calculations to bear out the name 'first-free'.
This commit is contained in:
Kartik K. Agaram 2021-08-13 08:37:46 -07:00
parent c9e9b56123
commit 388ad74cf1
2 changed files with 8 additions and 5 deletions
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12
browse-slack/environment.mu
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@ -21,6 +21,7 @@ fn initialize-environment _self: (addr environment), _items: (addr item-list) {
var items/eax: (addr item-list) <- copy _items
var items-data-first-free-a/eax: (addr int) <- get items, data-first-free
var final-item/eax: int <- copy *items-data-first-free-a
final-item <- decrement
var dest/edi: (addr int) <- get self, item-index
copy-to *dest, final-item
}
@ -436,9 +437,10 @@ fn previous-item _env: (addr environment), _items: (addr item-list) {
var env/edi: (addr environment) <- copy _env
var items/esi: (addr item-list) <- copy _items
var items-data-first-free-a/ecx: (addr int) <- get items, data-first-free
var items-data-first-free/ecx: int <- copy *items-data-first-free-a
var final-item-index/ecx: int <- copy *items-data-first-free-a
final-item-index <- decrement
var dest/eax: (addr int) <- get env, item-index
compare *dest, items-data-first-free
compare *dest, final-item-index
break-if->=
increment *dest
}
@ -491,12 +493,14 @@ fn page-up _env: (addr environment), _items: (addr item-list) {
var items-data-ah/eax: (addr handle array item) <- get items, data
var _items-data/eax: (addr array item) <- lookup *items-data-ah
var items-data/ebx: (addr array item) <- copy _items-data
var items-data-first-free-a/esi: (addr int) <- get items, data-first-free
var items-data-first-free-a/eax: (addr int) <- get items, data-first-free
var final-item-index/esi: int <- copy *items-data-first-free-a
final-item-index <- decrement
var src/eax: (addr int) <- get env, item-index
var new-item-index/ecx: int <- copy *src
var y/edx: int <- copy 2
{
compare new-item-index, *items-data-first-free-a
compare new-item-index, final-item-index
break-if->
compare y, 0x28/screen-height-minus-menu
break-if->=

1
browse-slack/main.mu
View File

@ -137,7 +137,6 @@ fn parse in: (addr stream byte), users: (addr array user), channels: (addr array
}
var dest/eax: (addr int) <- get items, data-first-free
copy-to *dest, item-idx
decrement *dest
}
fn parse-record in: (addr stream byte), out: (addr stream byte) {