Mercurial > hg > Members > kono > nitros9-code
changeset 1117:d26a93134e57
Fixed some minor source problems
| author | boisy |
|---|---|
| date | Sat, 12 Apr 2003 14:39:43 +0000 |
| parents | e6f589e98421 |
| children | 68e5259da516 |
| files | 3rdparty/drivers/ide/ccide.asm 3rdparty/drivers/ide/idedesc.asm |
| diffstat | 2 files changed, 21 insertions(+), 23 deletions(-) [+] |
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--- a/3rdparty/drivers/ide/ccide.asm Sat Apr 12 14:34:12 2003 +0000 +++ b/3rdparty/drivers/ide/ccide.asm Sat Apr 12 14:39:43 2003 +0000 @@ -1,3 +1,22 @@ +******************************************************************** +* CCIDE - IDE device driver for CoCo +* +* $Id$ +* +* DO NOT FORGET TO SET H6309 FLAG IN DEFSFILE APPROPRIATELY FOR 6809 VS. +* 6309 CODE WHEN ASSEMBLING!! +* +* Driver originally from Jim Hathaway, originally 8-bit only +* Converted to 16 bit by Alan DeKok +* Disassembled (OK, so I didn't have the source version at first!) +* by Eddie Kuns, ATA specs followed carefully and sector buffering +* on writes handled more carefully +* This driver uses 16-bit transfers *only* +* Check with Glenside - can we switch to 16 bit only, so there is less to +* maintain? With the cacheing stuff, the speed is fairly decent, although +* some 6309 optimizations are still possible (cache copies, drive table +* copies, hardware divide for CHS translation, etc.) +* * NOTE: Currently, will return RAW error #'s from drive (see ATA bit flags * in error register). After driver finalized, switch back to OS9 error * codes. @@ -63,23 +82,6 @@ * taking any more system RAM then it is already. These can be shared in * whatever combination you need for your (up to) 2 physical drives. * ALSO, RBF CALLS THE INIT ROUTINE ONLY ONCE PER _DRIVER_, NOT DRIVE! -******************************************************************** -* DO NOT FORGET TO SET H6309 FLAG IN DEFSFILE APPROPRIATELY FOR 6809 VS. -* 6309 CODE WHEN ASSEMBLING!! -* CCIDE - IDE device driver for CoCo -* -* $Id$ -* -* Driver originally from Jim Hathaway, originally 8-bit only -* Converted to 16 bit by Alan DeKok -* Disassembled (OK, so I didn't have the source version at first!) -* by Eddie Kuns, ATA specs followed carefully and sector buffering -* on writes handled more carefully -* This driver uses 16-bit transfers *only* -* Check with Glenside - can we switch to 16 bit only, so there is less to -* maintain? With the cacheing stuff, the speed is fairly decent, although -* some 6309 optomizations are still possible (cache copies, drive table -* copies, hardware divide for CHS translation, etc.) * * Ed. Comments Who YY/MM/DD * ------------------------------------------------------------------ @@ -90,7 +92,7 @@ * 7 Change to use real 16 bits LCB 99/09/06 * partitions (both LBA & CHS) to 99/10/31 * better error reporting -* slightly optomized read +* slightly optimized read * Half sector & LSN0 caches for current drive * Auto-sense/run LBA & CHS modes * Full CHS calculations (up to 4096 cylinders)