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@@ -0,0 +1,32 @@ |
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( 8K of onboard RAM ) |
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0xc000 CONSTANT RAMSTART |
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0xdd00 CONSTANT RS_ADDR |
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( Memory register at the end of RAM. Must not overwrite ) |
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0xddca CONSTANT PS_ADDR |
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0xbf CONSTANT VDP_CTLPORT |
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0xbe CONSTANT VDP_DATAPORT |
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32 CONSTANT VDP_COLS |
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24 CONSTANT VDP_ROWS |
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212 LOAD ( z80 assembler ) |
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: ZFILL, ( u ) 0 DO 0 A, LOOP ; |
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262 LOAD ( xcomp ) |
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524 LOAD ( font compiler ) |
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270 LOAD ( xcomp overrides ) |
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0x100 JPnn, 0x63 ZFILL, ( 0x66 ) |
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RETN, 0x98 ZFILL, ( 0x100 ) |
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( All set, carry on! ) |
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CURRENT @ XCURRENT ! |
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0x100 BIN( ! |
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282 LOAD ( boot.z80 ) |
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393 LOAD ( xcomp core low ) |
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CREATE ~FNT CPFNT7x7 |
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623 627 LOADR ( VDP ) |
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: (key) 0 ; : (emit) DROP ; |
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420 LOAD ( xcomp core high ) |
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(entry) _ |
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( Update LATEST ) |
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PC ORG @ 8 + ! |
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," VDP$ BYE " |
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ORG @ 0x100 - 256 /MOD 2 PC! 2 PC! |
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H@ 256 /MOD 2 PC! 2 PC! |