X-Git-Url: http://cloudbase.mooo.com/gitweb/avrcpm.git/blobdiff_plain/825ecc9d1df4b7b39bbbcbc6461d0407dd7d9d22..ce520bff08cbc7d4ba629a68b585ff241dad8950:/avr/dsk_mgr.asm diff --git a/avr/dsk_mgr.asm b/avr/dsk_mgr.asm index 9cb1aef..ca3013f 100644 --- a/avr/dsk_mgr.asm +++ b/avr/dsk_mgr.asm @@ -75,7 +75,7 @@ mgr_picl: ; Start mmc Card interaction lcall mmcInit - andi temp,MMCST_NOINIT & MMCST_NODISK + andi temp,MMCST_NOINIT | MMCST_NODISK brne mgr_pierr ;Load first sector from MMC (boot sector) @@ -105,6 +105,8 @@ mgr_check_bootsektor: ;No MBR, no partition table ... +#if CPMDSK_SUPPORT + inc temp3 ;pretend we have one. sts ndisks,temp3 ldi temp,high((1<<16) * 128/512) @@ -120,10 +122,15 @@ mgr_check_bootsektor: ldi temp3,0 rcall dpb_imgdata_get +#endif /* CPMDSK_SUPPORT */ + rjmp mgr_pend -; Search for valid Partitions and ImageFiles mgr_search: + +#if CPMDSK_SUPPORT + +; Search for valid Partitions and ImageFiles ldiw z,hostbuf+510-64 ;Point to first byte of partition table mgr_ploop: @@ -146,6 +153,7 @@ mgr_nextp: adiw z,16 cpi zl,low(hostbuf+510) ;End of partition table reached? brne mgr_ploop +#endif /* CPMDSK_SUPPORT */ #if FAT16_SUPPORT @@ -174,7 +182,7 @@ mgr_nextp2: adiw zl,16 cpi zl,low(hostbuf+510) brne mgr_ploop2 -#endif +#endif /* FAT16_SUPPORT */ mgr_pend: clr temp3 @@ -205,33 +213,51 @@ mgr_pend2: ; ==================================================================== mgr_prnt_parttbl: - ldiw z,hostparttbl lds yl,ndisks - ldi xh,'A' + tst yl + brne ppr_doit + ret +ppr_doit: + push r15 + push r14 + ldiw z,hostparttbl + ldi xh,'A' pprl: printnewline ldd temp ,z+1 ;Get partition start ldd temp2,z+2 - or temp,temp2 - ldd temp2,z+3 - or temp,temp2 - ldd temp2,z+4 - or temp,temp2 ;If zero ... - breq mgr_prnop ;... no partition table at 0 + ldd r14,z+3 + ldd r15,z+4 ; Partitiontype examining + ldd xl,z+0 andi xl,dskType_MASK + +#if CPMDSK_SUPPORT + + cp temp,_0 ;If zero ... + cpc temp2,_0 + cpc r14,_0 + cpc r15,_0 + brne mgr_prchkcpm ;... no partition table at 0 + + rcall mgr_prnt_diskname + rcall mgr_prnt_image + rjmp mgr_prnt_size + +mgr_prchkcpm: ; CP/M ? cpi xl,dskType_CPM brne mgr_prtb_nocpm rcall mgr_prnt_diskname rcall mgr_prnt_table_cpm rjmp mgr_prnt_size - mgr_prtb_nocpm: +#endif + #if FAT16_SUPPORT ; FAT16 ? cpi xl,dskType_FAT @@ -241,22 +267,21 @@ mgr_prtb_nocpm: rjmp mgr_prnt_size mgr_prtb_nofat: #endif + #if 0 /* RAMDISK is not on SD card */ +#if RAMDISKCNT ; RAMDISK ? cpi xl,dskType_RAM - brne mgr_prnt_err + brne mgr_prnt_noramdisk rcall mgr_prnt_diskname rcall mgr_prnt_table_ram rjmp mgr_prnt_size +mgr_prnt_noramdisk: +#endif #endif -mgr_prnt_err: + ; Entry Error rcall mgr_prnt_table_err - rjmp mgr_prnt_size - -mgr_prnop: - rcall mgr_prnt_diskname - rcall mgr_prnt_image mgr_prnt_size: lcall print_ultoa @@ -264,15 +289,11 @@ mgr_prnt_size: ldd temp ,z+5 ;Get partition size ldd temp2,z+6 - push r15 - push r14 clr r14 clr r15 lsr temp2 ror temp lcall print_ultoa - pop r14 - pop r15 printstring "KB." mgr_goto_next_part: @@ -282,6 +303,8 @@ mgr_goto_next_part: brne pprl mgr_pppre: + pop r14 + pop r15 ret @@ -289,29 +312,40 @@ mgr_prnt_diskname: push temp mov temp,xh lcall uartputc - ldi temp,':' - lcall uartputc + printstring ": " pop temp ret +#if CPMDSK_SUPPORT mgr_prnt_table_cpm: printstring "CP/M partition at: " ret +mgr_prnt_image: + printstring "Assuming CP/M image at: " + ret +#endif + +#if FAT16_SUPPORT mgr_prnt_table_fat: - printstring "FAT16 File-Image at: " + printstring "FAT16 File-Image '" + push temp + mov temp,r14 + lcall uartputc + clr r14 + pop temp + printstring "' at: " ret +#endif +#if RAMDISKCNT mgr_prnt_table_ram: printstring "Ramdisk at: " ret +#endif mgr_prnt_table_err: printstring "Unknown Entry at: " ret -mgr_prnt_image: - printstring "Assuming CP/M image at: " - ret -