annotate level2/cmds/mfree.asm @ 2026:eb19d87abbd8

Readme file for Dragon distribution of Nitros, detailing what disk sets are included.
author afra
date Fri, 31 Mar 2006 12:38:18 +0000
parents fa494f2dca9a
children 489617e567c5
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1 ********************************************************************
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2 * Mfree - Show free memory
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3 *
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4 * $Id$
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5 *
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6 * Edt/Rev YYYY/MM/DD Modified by
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7 * Comment
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8 * ------------------------------------------------------------------
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9 * 2 ????/??/??
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10 * Original Tandy/Microware version.
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11
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12 nam Mfree
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13 ttl Show free memory
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14
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15 * Disassembled 98/09/11 12:07:32 by Disasm v1.6 (C) 1988 by RML
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16
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17 ifp1
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18 use defsfile
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19 endc
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20
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21 tylg set Prgrm+Objct
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22 atrv set ReEnt+rev
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23 rev set $00
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24 edition set 2
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25
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26 mod eom,name,tylg,atrv,start,size
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27
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28 u0000 rmb 1
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29 u0001 rmb 1
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30 u0002 rmb 2
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31 u0004 rmb 1
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32 u0005 rmb 1
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33 u0006 rmb 1
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34 u0007 rmb 1
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35 u0008 rmb 1
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36 u0009 rmb 1
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37 u000A rmb 1
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38 u000B rmb 2
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39 linebuf rmb 80
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40 u005D rmb 7
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42 u00E8 rmb 1135
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43 size equ .
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44
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45 name fcs /Mfree/
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46 fcb edition
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47
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48 Hdr fcs " Blk Begin End Blks Size"
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49 fcs " --- ------ ------ ---- ------"
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50 Ftr fcs " ==== ======"
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51 fcs " Total: "
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52
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53 start leax linebuf,u get line buffer address
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54 stx <u0009
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55 stx <u000B
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56 lbsr L016E
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57 leay <Hdr,pcr
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58 lbsr L0183
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60 lbsr L0183
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61 lbsr L016E
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63 clr <u0001
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64 leax <u005D,u
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65 os9 F$GBlkMp
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66 sty <u0002
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67 sta <u0004
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68 ldy #$0000
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69 L00AA ldu #$0000
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70 L00AD tst ,x+
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71 beq L00BA
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72 leay $01,y
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73 cmpy <u0002
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74 bcs L00AD
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75 bra L0109
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76 L00BA tfr y,d
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82 L00C4 addd $01,s
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83 dec ,s
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84 bne L00C4
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85 leas $03,s
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86 std <u0006
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89 L00D2 leau u0001,u
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90 leay $01,y
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91 cmpy <u0002
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92 beq L0109
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93 tst ,x+
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94 beq L00D2
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95 lda <u0004
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99 L00E5 addd $01,s
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100 dec ,s
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101 bne L00E5
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102 leas $03,s
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103 subd #$0001
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104 std <u0006
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105 lda #$FF
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106 sta <u0008
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107 bsr L0133
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108 leax -$01,x
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109 tfr u,d
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113 std <u0000
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114 bsr L016E
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115 bra L00AA
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116 L0109 leay >Ftr,pcr
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117 bsr L0183
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120 tfr u,d
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121 addd <u0000
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122 std <u0000
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123 bsr L0123
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126 clrb
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127 os9 F$Exit
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128 L0123 pshs b,a
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129 clr <u0005
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131 tfr b,a
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132 bsr L0145
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133 lda #$20
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134 bsr L0164
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135 puls pc,b,a
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136 L0133 clr <u0005
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139 lda <u0007
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142 bsr L0145
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143 lda #$20
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144 bra L0164
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145 L0145 pshs a
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152 L014F anda #$0F
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153 tsta
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154 beq L0156
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155 sta <u0005
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156 L0156 tst <u0005
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157 bne L015C
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158 lda #$F0
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161 bcs L0164
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162 adda #$07
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163 L0164 pshs x
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164 ldx <u000B
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165 sta ,x+
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167 puls pc,x
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169 L016E pshs y,x,a
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170 lda #C$CR
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172 ldx <u0009
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173 stx <u000B
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174 ldy #80
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176 os9 I$WritLn
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177 puls pc,y,x,a
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179 anda #$7F
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181 tst ,y+
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182 bpl L0183
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183 rts
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185 DecTbl fdb 10000,1000,100,10,1
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186 fcb $FF
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187
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188 L0199 pshs y,x,b,a
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189 lda <u0004
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190 pshs a
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191 lda $01,s
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192 lsr ,s
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193 lsr ,s
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194 bra L01A9
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198 bne L01A7
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199 leas 1,s
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200 leax <DecTbl,pcr
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201 ldy #$2F20
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202 L01B6 leay >256,y
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203 subd ,x
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204 bcc L01B6
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208 tst ,x
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209 bmi L01DE
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210 ldy #$2F30
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211 cmpd #'0*256+C$SPAC
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212 bne L01D8
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213 ldy #$2F20
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214 lda #C$SPAC
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216 puls b,a
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218 L01DE bsr L0164
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219 lda #'k
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220 bsr L0164
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221 leas $02,s
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222 puls pc,y,x,b,a
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224 emod
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225 eom equ *
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226 end