A2osX/BIN/MEM.S.txt
2018-11-17 18:17:13 +01:00

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NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/MEM
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.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 CS
.DA DS.END-DS.START DS
.DA #16 SS
.DA #4 ZP
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.Main .DA MSG.Main
L.MSG.Aux .DA MSG.Aux
L.MSG.Kernel .DA MSG.Kernel
L.MSG.Stat .DA MSG.Stat
L.MSG.End .DA MSG.End
L.MemStat .DA MemStat
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN >LDYA L.MemStat
>SYSCALL GetMemStat
>LDYA L.MSG.Main
>SYSCALL puts
lda MemStat+S.MSTAT.MF
sec
sbc MemStat+S.MSTAT.ML
tay
lda MemStat+S.MSTAT.MF+1
sbc MemStat+S.MSTAT.ML+1
>PUSHYA
>PUSHW MemStat+S.MSTAT.MH
>PUSHW MemStat+S.MSTAT.MF
>PUSHW MemStat+S.MSTAT.ML
>PUSHBI 8
>LDYA L.MSG.Stat
>SYSCALL printf
*--------------------------------------
>LDYA L.MSG.Aux
>SYSCALL puts
lda MemStat+S.MSTAT.XF
sec
sbc MemStat+S.MSTAT.XL
tay
lda MemStat+S.MSTAT.XF+1
sbc MemStat+S.MSTAT.XL+1
>PUSHYA
>PUSHW MemStat+S.MSTAT.XH
>PUSHW MemStat+S.MSTAT.XF
>PUSHW MemStat+S.MSTAT.XL
>PUSHBI 8
>LDYA L.MSG.Stat
>SYSCALL printf
*--------------------------------------
>LDYA L.MSG.Kernel
>SYSCALL puts
lda MemStat+S.MSTAT.DH
sec
sbc MemStat+S.MSTAT.DF
tay
lda MemStat+S.MSTAT.DH+1
sbc MemStat+S.MSTAT.DF+1
>PUSHYA
>PUSHW MemStat+S.MSTAT.DH
>PUSHW MemStat+S.MSTAT.DF
>PUSHW MemStat+S.MSTAT.DL
>PUSHBI 8
>LDYA L.MSG.Stat
>SYSCALL printf
>LDYA L.MSG.End
>SYSCALL puts
lda #0
sec
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
CS.END
MSG.Main .AZ "--- Main Memory ---------------"
MSG.Aux .AZ "--- Aux Memory ----------------"
MSG.Kernel .AZ "--- Kernel (Drivers) Memory ---"
MSG.Stat .AS " Low : $%H\r\n"
.AS " Free Ptr : $%H\r\n"
.AS " High : $%H\r\n"
.AZ " Available Memory : %05D Bytes\r\n"
MSG.End .AZ "-------------------------------"
MemStat .BS S.MSTAT
*--------------------------------------
.DUMMY
.OR 0
DS.START
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/BIN/MEM.S
ASM