Apple-2-SW/4live
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cosmetic fixes, reduced banked size

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This commit is contained in:
Peter Ferrie 2016-11-22 22:40:43 -08:00
parent 1c1541a1a7
commit 7239f37a2c
1 changed files with 21 additions and 17 deletions
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38
src/4live.a
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@ -15,6 +15,7 @@
NEXTPAGEKEY = $99 ; CTRL-Y NEXTPAGEKEY = $99 ; CTRL-Y
IMPORTKEY = $9E ; CTRL-^ IMPORTKEY = $9E ; CTRL-^
VERBOSE = $0 ; set to 1 to show memory usage during build
; ;
!addr KSWL = $38 !addr KSWL = $38
!addr KSWH = $39 !addr KSWH = $39
@ -71,12 +72,11 @@
POSRDWRRANGE = 4 POSRDWRRANGE = 4
WIDTH = 40 WIDTH = 40
HEIGHT = 24 HEIGHT = 24
LDRBASE = $2e0 LDRBASE = $2E0
INSTALLBUFFER = $237 ; yes, the overlay overwrites the loader... INSTALLBUFFER = $237 ; yes, the overlay overwrites the loader...
SWAPBUFFER = $900 ; (LoadSaveEnd - LoadSaveStart) size SWAPBUFFER = $900 ; (LoadSaveEnd - LoadSaveStart) size
; needed by DiversiDOS, must be page-aligned ; needed by DiversiDOS, must be page-aligned
; region is preserved across calls ; region is preserved across calls
TEMPBUFFER = $dc00 ; hard upper-limit for the code, must be page-aligned
*=LDRBASE-4 *=LDRBASE-4
LdrHeader LdrHeader
@ -234,11 +234,12 @@ WriteFile
lsr ;read has bit 0 set, write does not lsr ;read has bit 0 set, write does not
bcs ReadFile bcs ReadFile
;we are not now writing any page-aligned sizes ;;we are not now writing any page-aligned sizes
; lda WriteSize ;; lda WriteSize
; bne + ;; bne +
; dec WriteSize + 1 ;; dec WriteSize + 1
+ dec WriteSize ;;+
dec WriteSize
ReadFile ReadFile
jsr ExchangeBanked1 jsr ExchangeBanked1
@ -494,7 +495,6 @@ RunFromBankedRAM
tax tax
rts rts
;;candidate for merge with ScrollEditBufferOut
ScrollEditBufferIn ScrollEditBufferIn
ldy #(<(ScrollParmsDown - ScrollParms) - 1) ldy #(<(ScrollParmsDown - ScrollParms) - 1)
jsr SetScrollLine jsr SetScrollLine
@ -757,7 +757,7 @@ ClearOnFirstKeypress
ldy #0 ;self-modified ldy #0 ;self-modified
beq + beq +
dec ClearOnFirstKeypress + 1 dec ClearOnFirstKeypress + 1
php ;preserve carry (don't care about the rest) php ;save carry (don't care about the rest)
pha pha
jsr ClearScreen jsr ClearScreen
pla pla
@ -766,7 +766,7 @@ ClearOnFirstKeypress
sta WriteIfDirty2 + 1 sta WriteIfDirty2 + 1
DispatchCommand DispatchCommand
jsr EditorMode ;self-modified, currently both bytes jsr $34f3 ;self-modified, currently both bytes
;but could be just one if all routines begin in the same page... ;but could be just one if all routines begin in the same page...
jmp EditorMode jmp EditorMode
@ -967,7 +967,7 @@ HandleKeyPrevPage
+++ jsr LoadSaveHeader +++ jsr LoadSaveHeader
jsr CloseFile ;work around DiversiDOS bug jsr CloseFile ;work around DiversiDOS bug
jsr OpenDataFile ;by close and reopen to flush the write jsr OpenDataFile ;by close and reopen to flush the write
dec ReadWriteCmd ;lda CMDREAD / sta ReadWriteCmd dec ReadWriteCmd ;lda #CMDREAD / sta ReadWriteCmd
lda ReadBuffer lda ReadBuffer
pha pha
adc #WIDTH adc #WIDTH
@ -982,7 +982,7 @@ HandleKeyPrevPage
sta ReadBuffer + 1 sta ReadBuffer + 1
pla pla
sta ReadBuffer sta ReadBuffer
inc ReadWriteCmd ;lda CMDWRITE / sta ReadWriteCmd inc ReadWriteCmd ;lda #CMDWRITE / sta ReadWriteCmd
plp ;restore carry plp ;restore carry
lda SaveCH + WIDTH lda SaveCH + WIDTH
pha pha
@ -1338,9 +1338,9 @@ FirstLine ;lines are stored sequentially, not like
!fill WIDTH, $A0 !fill WIDTH, $A0
SecondLine SecondLine
!if >SecondLine != >LoadSaveStart { !if >SecondLine != >LoadSaveStart {
!error "first two lines of text buffer must not cross a page" !error "first two lines of text buffer must not cross a page"
} }
!fill WIDTH * 7, $A0 !fill WIDTH * 7, $A0
!text " 4LIVE by 4am && qkumba " !text " 4LIVE by 4am && qkumba "
!fill WIDTH, $A0 !fill WIDTH, $A0
@ -1356,8 +1356,12 @@ LoadSaveEnd
LastLine LastLine
!fill WIDTH, $A0 !fill WIDTH, $A0
!if * > TEMPBUFFER { TEMPBUFFER=(*+255) and not 255
!error "code is too large, ends at ", *, ", ", * - TEMPBUFFER, " bytes too many" !if (TEMPBUFFER>$DC00) {
!error "banked code is too large, ends at ", *, ", ", *-$DC00, " bytes too many"
}
!if VERBOSE=1 {
!warn "banked code end=", *, ", data end=", TEMPBUFFER+$3FF, ", bytes free=", $DC00-*
} }
} }
BankedCopyEnd BankedCopyEnd