A2osX/BIN/MEM.S.txt

137 lines
3.0 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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