|
- 0xff00 CONSTANT RS_ADDR 0xfffa CONSTANT PS_ADDR
- RS_ADDR 0x80 - CONSTANT RAMSTART
- 212 LOAD ( z80 assembler )
- 262 LOAD ( xcomp ) 270 LOAD ( xcomp overrides )
- 282 LOAD ( boot.z80 ) 353 LOAD ( xcomp core low )
- CODE (emit)
- A 1 LDrn, 1 OUTnA, HL POPqq, A L LDrr, 0 OUTnA,
- ;CODE
- CODE (key)
- BEGIN, 1 INAn, A INCr, JRZ, AGAIN,
- A DECr, PUSHA,
- ;CODE
- : _sel ( sec )
- ( 32 sectors per track, 512 tracks per disk )
- 32 /MOD ( addr sec trk )
- 0x0a ( seltrk ) 1 PC! 0 PC! 0 0 PC! ( addr sec )
- 0x0b ( selsec ) 1 PC! 0 PC! ( addr ) ;
- : _ ( addr )
- ( get 512 bytes )
- 0x86 ( readsec ) 1 PC!
- 512 0 DO 0 PC@ SWAP C!+ LOOP DROP
- ;
- : FD@ 2 * DUP _sel BLK( _ 1+ _sel BLK( 512 + _ ;
- : _ ( addr )
- ( write 512 bytes )
- 0x0c ( writesec ) 1 PC!
- 512 0 DO C@+ 0 PC! LOOP DROP
- ;
- : FD! 2 * DUP _sel BLK( _ 1+ _sel BLK( 512 + _ ;
- : FD$ ( select disk 0 )
- 0x09 ( seldisk ) 1 PC! 0 0 PC! ( sel disk 0 )
- ;
- 380 LOAD ( xcomp core high )
- (entry) _
- ( Update LATEST )
- PC ORG @ 8 + !
- ," CURRENT @ HERE ! BLK$ FD$ ' FD@ BLK@* ! ' FD! BLK!* ! " EOT,
- ORG @ 256 /MOD 2 PC! 2 PC!
- H@ 256 /MOD 2 PC! 2 PC!
|
