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refactor incptr

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This commit is contained in:
4am 2019-09-10 09:20:32 -04:00
parent 35c48d8bf3
commit 003b6ad6f0
2 changed files with 9 additions and 17 deletions
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2
src/constants.a
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@ -9,7 +9,7 @@
; D000..E4E9 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
; ...end of data and start of code are approximate, in between is unused...
; ...if they ever overlap, things will go boom...
; E9F0..FFF9 - main program code
; E9FF..FFF9 - main program code
; FFFA..FFFF - NMI, reset, IRQ vectors
;
; LC RAM BANK 2

24
src/okvs.a
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@ -142,8 +142,8 @@ okvs_append
sta SAVE
; PTR -> new record
; SAVE -> new record
jsr incptr
jsr incptr ; PTR -> space for new key
jsr incptr2
; PTR -> space for new key
+LDPARAM 3
+STAY SRC ; SRC -> new key to copy
ldy #0
@ -231,10 +231,7 @@ okvs_get
lda (PTR),y
beq @fail ; no keys, fail immediately
sta @maxkeys ; A = number of keys
ldx #3
- jsr incptr
dex
bne -
jsr incptr3
; PTR -> first record
ldx #0
+LDPARAM 3
@ -297,10 +294,7 @@ okvs_get
okvs_nth
+PARAMS_ON_STACK 3
jsr SetPTRFromStackParams
ldx #3
- jsr incptr
dex
bne -
jsr incptr3
; PTR -> first record
ldy #3
lda (PARAM),y
@ -309,8 +303,7 @@ okvs_nth
- jsr derefptr
dex
bne -
@found jsr incptr
jsr incptr
@found jsr incptr2
+LDAY PTR
rts
@ -386,10 +379,7 @@ okvs_iter_values
sta @max
+LDPARAM 3
+STAY @callback
ldx #3
- jsr incptr
dex
bne -
jsr incptr3
; PTR -> first record
ldx #0
@loop
@ -431,6 +421,8 @@ okvs_iter_values
;------------------------------------------------------------------------------
; internal functions
incptr3 jsr incptr
incptr2 jsr incptr
incptr
; preserves A and X
ldy PTR