Header for : pwd Module size: $130 #304 Module CRC : $FB5CC0 (Good) Hdr parity : $19 Exec. off : $0035 #53 Data size : $01C9 #457 Edition : $01 #1 Ty/La At/Rv: $11 $81 Prog mod, 6809 Obj, re-ent, R/O
* Disassembly by Os9disasm of pwd mod L0130,L000d,$11,$81,L0035,D01c9 * OS-9 system function equates F$Exit equ $06 F$PrsNam equ $10 I$Open equ $84 I$ChgDir equ $86 I$Read equ $89 I$Write equ $8a I$WritLn equ $8c I$GetStt equ $8d I$Close equ $8f * OS9 data area definitions D0000 rmb 1 D0001 rmb 2 D0003 rmb 2 D0005 rmb 1 D0006 rmb 2 D0008 rmb 1 D0009 rmb 2 D000b rmb 32 D002b rmb 2 D002d rmb 3 D0030 rmb 66 D0072 rmb 53 D00a7 rmb 290 D01c9 equ . L000d neg 30692 fcb $01 L0011 neg 30564 abx bra L0079 fcb $61 fcb $64 bra L0089 fcb $61 tst 5,s bra L0089 fcb $6e bra L0093 fcb $61 lsr $680d L0027 bgt L0057 L0028 equ *-1 L0029 tst D0072 L002a equ *-1 fcb $65 fcb $61 fcb $64 bra L0095 fcb $72 fcb $72 clr -14,s tst D0030 L0035 equ *-1 adcb #0 ldx a,x tst D00a7 anda #$9f fcb $01 leax >L0028,pcr bsr L0096 sta D0000 lbsr L00cd ldd D0003 std D0009 lda D0005 sta D000b L0052 bsr L00c6 beq L0079 leax >L0027,pcr L0057 equ *-3 bsr L0090 lda D0000 os9 I$Close bcs L008d leax >L0028,pcr bsr L0096 bsr L00cd bsr L00a8 bsr L00e2 ldd D0003 std D0009 lda D0005 sta D000b bra L0052 L0079 lbsr L00fb ldx D0001 ldy #$0081 lda #1 os9 I$WritLn lda D0000 L0089 os9 I$Close clrb L008d os9 F$Exit L0090 lda #$81 os9 I$ChgDir L0093 equ *-2 L0095 rts L0096 lda #$81 os9 I$Open rts L009c lda D0000 leax 14,u ldy #$0020 os9 I$Read rts L00a8 lda D0000 bsr L009c bcs L010f leax 14,u leax 29,x leay 9,u bsr L00ba bne L00a8 rts L00ba ldd ,x++ cmpd ,y++ bne L00c5 lda ,x cmpa ,y L00c5 rts L00c6 leax 3,u leay 6,u bsr L00ba rts L00cd bsr L009c ldd D002b std D0006 lda D002d sta D0008 bsr L009c ldd D002b std D0003 lda D002d sta D0005 rts L00e2 leax 14,u L00e4 os9 F$PrsNam bcs L0109 ldx D0001 L00eb lda ,-y anda #$7f sta ,-x decb bne L00eb lda #$2f sta ,-x stx D0001 rts L00fb lda D0000 ldb #$0e leax 175,u os9 I$GetStt bsr L00e4 rts L0109 leax L0011,pcr bra L0123 L010f leax L002a,pcr bra L0123 L0115 lda #2 os9 I$Write bcs L0128 rts bsr L0115 leax L0029,pcr L0123 lda #2 os9 I$WritLn L0128 ldb #0 os9 F$Exit emod L0130 equ * end