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- 1000 :
- 1010 rem this pgm performs 2 functions
- 1020 rem (1) it is the basic loader for
- 1030 rem the screen switch ml pgm &
- 1040 rem (2) it initialises 680-727
- 1050 rem with values to be used in
- 1055 rem zero page locations 43-66
- 1060 rem for the screen switch ml
- 1065 rem pgm.
- 1067 :
- 1070 poke51,255:poke52,159:poke53,255:poke54,158:poke55,255:poke56,159
- 1075 gosub10000 :rem load ml pgm
- 1080 sa=peek(43)+peek(44)*256
- 1090 ea=peek(55)+peek(56)*256
- 1100 input"enter region 0 ending addr ==>";r0
- 1110 ifr0<sagoto2050
- 1120 ifr0>eaorr0=eagoto2100
- 1130 ad=r0:gosub9000
- 1140 poke51,lb:poke52,hb :rem setup r0
- 1150 poke53,lb:poke54,hb :rem memory
- 1160 poke55,lb:poke56,hb :rem limits.
- 1170 fori=0to23:poke680+i,peek(43+i):next
- 1180 :
- 1190 rem set region 1 pointers in 704-727
- 1200 :
- 1210 poker0+1,0 :rem for basic
- 1220 r1=r0+2 :rem rgn 1 addr
- 1230 ad=r1:gosub9000 :rem start of
- 1240 poke704,lb:poke705,hb:rem basic.
- 1250 ad=r1+2:gosub9000 :rem start of
- 1260 poke706,lb:poke707,hb:rem variabls
- 1270 ad=r1+9:gosub9000
- 1280 poke708,lb:poke709,hb:rem arrays
- 1290 poke710,lb:poke711,hb:rem start,end
- 1300 ad=ea:gosub9000
- 1310 poke712,lb:poke713,hb:rem strings
- 1320 poke714,lb:poke715,hb:rem utility
- 1330 poke716,lb:poke717,hb:rem mem limit
- 1340 fori=718to725:pokei,0:next
- 1350 ad=r1-1:gosub9000
- 1360 poke726,lb:poke727,hb:rem data stm
- 1370 :
- 1380 print"region 0 &[160]1 initialised"
- 1390 print"region activated = 0"
- 1400 sys40704:end
- 2000 :
- 2010 rem error messages
- 2020 :
- 2050 print"region 0 ending addr,";r0;"<[160]region 0 starting addr,";sa
- 2060 print"please reenter region 0 starting addr"
- 2070 goto1100
- 2080 :
- 2100 print"region 0 ending addr,";r0;"> memory limit,";ea
- 2110 goto2060
- 2120 :
- 9000 hb=int(ad/256):lb=ad-(hb*256):return
- 10000 :
- 10010 rem data statements for ml pgm
- 10020 :
- 10100 data 120,173,20,3,141,171,159,173,21,3,141,172,159,169,39,141,20,3,169
- 10110 data 159,141,21,3,162,0,160,48,189,168,2,157,173,159,232,136,208
- 10120 data 246,88,96,165,197,201,64,240,122,201,3,240,7,201,4,240,3,76
- 10130 data 167,159,174,170,159,240,2,162,24,160,0,141,223,159,185,43,0
- 10140 data 157,173,159,232,200,192,24,144,244,173,223,159,201,3,240,8
- 10150 data 162,0,142,170,159,76,102,159,162,1,142,170,159,162,24,160,0
- 10160 data 189,173,159,153,43,0,232,200,192,24,144,244,165,43,141,129
- 10170 data 2,165,44,141,130,2,165,55,141,131,2,165,56,141,132,2,173,170
- 10180 data 159,9,176,141,228,159,172,134,2,162,0,189,224,159,240,13,41
- 10190 data 191,157,35,4,152,157,35,216,232,76,149,159,108,171,159,0,49
- 10200 data 234,1,8,146,49,174,49,79,69,253,79,253,79,255,79,126,4,2,0
- 10210 data 55,33,4,0,0,8,1,80,50,99,50,99,50,99,255,159,255,159,0,160
- 10220 data 249,156,0,0,144,0,0,0,0,80,51,0,4,210,199,206,189,176,0,117
- 10230 data 117,0,0,117,117,0,0,117,117,0,0,117,117,128,0,117,117,0,0,117
- 10240 data 117,0,0,255,255
- 10250 fori= 40704to 40959
- 10260 readj:x=x+j:pokei,j:next
- 10270 ifx= 28726thenreturn
- 10280 print"data statements invalid":end
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