2 / The RK fast access program
3 / Needs kturbo and tturbo instructions provided by omni-usb
5 / Communication is word-wise via the subroutines
6 / RWRD and SWRD and their aliases RWORD and SWORD
8 / All intelligence is located on the PC side :-)
16 / Commands sent from the PC
22 CRKGO=3 / Execute command
23 CRKST=4 / Return drive status
34 / RK05 commands are followed by the disk address and transfer length
35 / <ATT> <CRKGO> <CA_REG> <CM_REG> <DA_REG>
135 AND K7477 / MASK OUT DRIVE SELECT
166 /***********************************************
168 /***********************************************
172 CLA CLL IAC / Standard read from manual
175 RWORD / MEMORY ADDRESS
178 RWORD / COMMAND REGISTER
192 /***********************************************
199 CLA CLL IAC / Standard read from manual
228 CLA CLL IAC / Standard read from manual
243 /**********************************************
249 CLA CLL IAC / Clear control
277 CLA CLL IAC / Standard read from manual
305 /**********************************************
308 DCA DRIVE / SAVE DRIVE NUMBER*2 found in AC
309 CLA CLL IAC / Recal drive, clear errors and set to cyl 0
325 /***********************************************
326 / Memory dump/restore routines
383 /***********************************************
384 / What hapens on exit to 7600
385 / Relies on the fact that OS/8 won't allow overwriting here.