A2osX/BIN/MEM.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BOOT/BIN/MEM
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/LIBSTR.I
*--------------------------------------
PAGELEN			.EQ 22
FOOTERLEN		.EQ 8
*--------------------------------------
ZPPTR1			.EQ ZPBIN
ZPPTR2			.EQ ZPBIN+2
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp (.1,x)
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					BIN Layout Version 1
				.DA 0
				.DA CS.END-CS.START		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
				.DA 0
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------				
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT		
				.DA	CS.QUIT
L.LIBSTR		.DA LIBSTR
L.MSG0			.DA MSG0
L.MSG1			.DA MSG1
L.MSG2			.DA MSG2
L.MSG3			.DA MSG3
L.MSG4			.DA MSG4
L.MSG5			.DA MSG5
L.MSG6			.DA MSG6
				.DA 0
*--------------------------------------
CS.INIT			>LDYA L.LIBSTR
				>SYSCALL SYS.LoadLibYA
				bcs .9
				sta hLIBSTR

				lda #0
				ldy #DS.END-DS.START-1
				
.1				sta (pData),y
				dey
				bpl .1
				
				ldy #MEM.COUNT			Skip SLOT0
				lda (pData),y
				inc
				sta (pData),y

				lda (pPs)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPs)
				clc
.9				rts
*--------------------------------------
CS.RUN			ldy #bCANCEL
				lda (pData),y
				bne .9
				
				ldy #bSTOP
				lda (pData),y
				bne .8
				
				ldy #MEM.COUNT
				lda (pData),y
				cmp MemMgr.LastSlot
				beq .10

				ldy #LINE.COUNT
				lda (pData),y
				bne .1
				
				>PUSHW L.MSG0
				>LIBCALL hLIBSTR,LIBSTR.PRINTF

.1				ldy #MEM.COUNT
				lda (pData),y
				>SYSCALL SYS.GetMemByIDA
				>STYA ZPPTR1
				lda (ZPPTR1)
				bpl .2
				
				ldy #USED.COUNT
				lda (pData),y
				inc
				sta (pData),y
				
.2				jsr CS.RUN.PRINTMEM
				
				ldy #MEM.COUNT
				lda (pData),y
				inc
				sta (pData),y
				
.8				clc
				rts
				
.9				sec
				rts
				
.10				ldy #LINE.COUNT
				lda (pData),y
				clc
				adc #FOOTERLEN
				cmp #PAGELEN
				bcc .11
				
				lda #$FF
				ldy #bSTOP
				sta (pData),y
				
				lda #0
				ldy #LINE.COUNT
				sta (pData),y
				
				clc
				rts
				
.11				ldy #MEM.COUNT
				>PUSHB (pData),y
				ldy #USED.COUNT
				>PUSHB (pData),y
				>PUSHW L.MSG2
				>LIBCALL hLIBSTR,LIBSTR.PRINTF

				>PUSHW MemMgr.HiMem
				>PUSHW L.MSG3
				>LIBCALL hLIBSTR,LIBSTR.PRINTF

				>PUSHW MemMgr.Free
				>PUSHW L.MSG4
				>LIBCALL hLIBSTR,LIBSTR.PRINTF

				>PUSHW MemMgr.LoMem
				>PUSHW L.MSG5
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				
				lda MemMgr.Free
				sec
				sbc MemMgr.LoMem
				tay
				lda MemMgr.Free+1
				sbc MemMgr.LoMem+1
				
				>PUSHYA
				>PUSHW L.MSG6
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				sec				
				rts
*--------------------------------------
CS.RUN.PRINTMEM	ldy #S.MEM.LEN
				lda (ZPPTR1),y
				pha
				iny
				lda (ZPPTR1),y
				ply
				>PUSHYA
				
				ldy #S.MEM.PTR
				lda (ZPPTR1),y
				pha
				iny
				lda (ZPPTR1),y
				ply
				>PUSHYA
				
				ldy #S.MEM.REFCNT
				lda (ZPPTR1),y
				>PUSHA
				
				ldy #S.MEM.OWNERPID
				lda (ZPPTR1),y
				>PUSHA
				
				lda (ZPPTR1)
				>PUSHA
				
				ldy #MEM.COUNT
				lda (pData),y
				>PUSHA
				
				>PUSHW L.MSG1
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				
				ldy #S.MEM.BIN
				lda (ZPPTR1),y
				bne .3
				
				ldy #S.MEM.PTR
				lda (ZPPTR1),y
				sta ZPPTR2
				iny
				lda (ZPPTR1),y
				sta ZPPTR2+1
				lda #"{"
				>SYSCALL SYS.COutA
				lda (ZPPTR2)
				>SYSCALL SYS.HexOutA
				lda #"|"
				>SYSCALL SYS.COutA
				ldy #1
				
.1				lda (ZPPTR2),y
				cmp #$20
				bcs .2
				
				ora #$20
.2				>SYSCALL SYS.COutA
				iny 
				cpy #40
				bne .1
				
				lda #"}"
				>SYSCALL SYS.COutA
				bra .4
				
.3				>SYSCALL SYS.GetMemPtrA
				>PUSHYA
				>LIBCALL hLIBSTR,LIBSTR.PRINTP
				
.4				lda #13
				>SYSCALL SYS.COutA
				ldy #LINE.COUNT
				lda (pData),y
				inc
				sta (pData),y
				cmp #PAGELEN
				bne .5
				
				lda #$FF
				ldy #bSTOP
				sta (pData),y
				
				ldy #LINE.COUNT
				lda #0
				sta (pData),y
				
.5				rts
*--------------------------------------
CS.DOEVENT		ldy #S.EVT.hDEV		is Event from active IN device?
				lda (pEvent),y
				ldy #S.PS.hINDEV
				cmp (pPs),y
				bne .9
				
				lda (pEvent)
				and #S.EVT.F.KEY		is it a KEY event?
				beq .9
				
				ldy #S.EVT.DATAHI		is it an O or SAPPLE key ?
				lda (pEvent),y
				bne	.9
				
				ldy #S.EVT.DATALO	
				lda (pEvent),y
				cmp #$03				Ctrl-C
				bne .1
				
				lda #$FF
				ldy #bCANCEL
				sta (pData),y
				bra .8
				
.1				cmp #$13				Ctrl-S
				bne .2
				
				ldy #bSTOP
				lda (pData),y
				eor #$FF
				sta (pData),y
				bra .8
				
.2				ldy #bSTOP
				lda #0
				sta (pData),y
				
.8				clc
				rts	
				
.9				sec
				rts
*--------------------------------------
CS.QUIT			lda hLIBSTR
				>SYSCALL SYS.UnloadLibA
				clc
				rts
*--------------------------------------
CS.END
LIBSTR			>PSTRING "libstr.o"
MSG0			>CSTRING "hMem Flags    PID REF PTR   LEN   BINPATH/DATA\n"
MSG1			>CSTRING " %03d %b $%h $%h $%H $%H "
MSG2			>CSTRING "\nAllocated hMem:%d, Total:%d\n"
MSG3			>CSTRING "High Memory:   $%H\n"
MSG4			>CSTRING "Free ULimit:   $%H\n"
MSG5			>CSTRING "Low Memory:    $%H\n"
MSG6			>CSTRING "\nFree Memory:   %D Bytes.\n"
hLIBSTR			.BS	1
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
LINE.COUNT		.BS 1
MEM.COUNT		.BS 1
USED.COUNT		.BS 1
bSTOP			.BS 1
bCANCEL			.BS 1
DS.END
				.ED
*--------------------------------------
MAN
SAVE BIN/MEM.S
ASM