pcat: we have PROMPT!
Not working, but we do get that sweet "CollapseOS".
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parent
397ee3e3e6
commit
60ecab314e
6
blk/811
6
blk/811
@ -4,7 +4,9 @@ ORG @ 0x25 + HERE ! ( bypass BPB )
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L1 FSET ( start )
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CLI, CLD, AX 0x800 MOVxI, DS AX MOVsx, ES AX MOVsx,
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SS AX MOVsx, STI,
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AH 2 MOVri, DX 0 MOVxI, CH 0 MOVri, CL 2 MOVri, AL 7 MOVri,
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BX 0 MOVxI, 0x13 INT, ( read sectors 2-9 of boot floppy )
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AH 2 MOVri, DX 0 MOVxI, CH 0 MOVri, CL 2 MOVri, AL 12 MOVri,
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BX 0 MOVxI, 0x13 INT, ( read sectors 2-14 of boot floppy )
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( TODO: reading 12 sectors like this probably doesn't work
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on real vintage PC/AT with floppy. Make this more robust. )
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0x800 0 JMPf,
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ORG @ 0x1fe + HERE ! 0x55 A, 0xaa A,
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2
blk/813
2
blk/813
@ -9,7 +9,7 @@ H@ XCURRENT ! ( set current tip of dict, 0x42 )
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CODE (br) ( 0x53 ) L2 BSET ( used in br? )
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DI DX MOVxx, DI [DI] MOVx[], DX DI ADDxx,
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;CODE NOP, NOP,
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CODE (br?) ( 0x67 )
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CODE (?br) ( 0x67 )
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AX POPx, AX AX ORxx, JZ, L2 @ RPCs, ( False, branch )
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( True, skip next 2 bytes and don't branch )
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L1 BSET ( loop will jump here ) DX INCx, DX INCx,
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@ -10,10 +10,10 @@ CODE (emit)
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AX POPx, AH 0x0e MOVri, ( print char ) 0x10 INT,
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;CODE
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CODE (key) AH AH XORrr, 0x16 INT, AX PUSHx, ;CODE
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: FOO (key) (emit) ;
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: BOOT 0x08 @ LIT< FOO _find DROP EXECUTE BYE ;
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380 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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EOT,
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ORG @ 256 /MOD 2 PC! 2 PC!
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H@ 256 /MOD 2 PC! 2 PC!
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