MATHRICH@umcvmb.missouri.edu (Rich Winkel UMC Math Department) (10/04/89)
The fastest (and least readable) solution from an assembler hacker
would be:
var kb_head:word absolute $40:$1A;
bk_tail:word absolute $40:$1C;
...
kb_head:=kb_tail; { flush keyboard buffer }
RichMATHRICH@umcvmb.missouri.edu (Rich Winkel UMC Math Department) (10/05/89)
In my previous posting (using kb_head & kb_tail) I used WORD for the data type, forgetting that the word type only exists in TP 5.0 & 5.5. Integer would work just as well, so the same technique could be used in 4.0 (and 3.0, if it allows the 'absolute' modifier). Also, this technique may not work if you're using a TSR to expand your keyboard buffer. Rich
erja@epimetheus.dk (Erik Jacobsen) (10/05/89)
In article <21040@adm.BRL.MIL> MATHRICH@umcvmb.missouri.edu (Rich Winkel UMC Math Department) writes: >The fastest (and least readable) solution from an assembler hacker >would be: >var kb_head:word absolute $40:$1A; > bk_tail:word absolute $40:$1C; > ... > kb_head:=kb_tail; { flush keyboard buffer } > >Rich Isn't it necessary to disable interrupts in the assignment: var kb_head:word absolute $40:$1A; bk_tail:word absolute $40:$1C; ... inline($fa); { disable interrupts. } kb_head:=kb_tail; { flush keyboard buffer } inline($fb); { enable interrupts. } Erik -------------------------------------------------------------------- Erik Jacobsen, Computer Science Department, Aarhus University Ny Munkegade, Building 540, DK-8000 Aarhus C, Denmark Phone: +45 86127188, Telefax: +45 86135725, Home phone: +45 86169199 Internet: erja@daimi.dk, Ham-radio: OZ6KS