Mercurial > hg > Members > kono > nitros9-code
view lib/kreiderclib/putc.as @ 3226:9749d0dfc4a2
Changed a puls PC to rts to save cycles
author | David Ladd <drencor-xeen@users.sourceforge.net> |
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date | Sat, 20 Jan 2018 19:32:22 -0600 |
parents | 1647f1874cdf |
children |
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* Disassembly by Os9disasm of putc.r section code putc: pshs u ldu 6,s ldd 6,u anda #$80 andb #$22 cmpb #2 bne L0046 cmpa #$80 beq L0019 pshs u lbsr _setbase leas 2,s L0019 ldd 6,u andb #4 beq L004b ldd #1 pshs d leax 7,s ldd 8,u pshs d,x ldb 7,u andb #$40 beq L0035 lbsr writeln bra L0038 L0035 lbsr write L0038 leas 6,s cmpd #-1 bne L0079 ldb 7,u orb #$20 stb 7,u L0046 ldd #-1 puls u,pc L004b anda #1 bne L0058 pshs u lbsr L00fd std ,s++ bne L0046 L0058 ldx ,u ldb 5,s stb ,x+ stx ,u cmpx 4,u bcc L0070 ldb 7,u andb #$40 beq L0079 ldb 5,s cmpb #$0d bne L0079 L0070 pshs u lbsr L00fd std ,s++ bne L0046 L0079 ldd 4,s puls u,pc putw: pshs u ldu 6,s ldb 4,s pshs d,u lbsr putc ldb 9,s stb 1,s lbsr putc leas 4,s puls u,pc _tidyup: pshs u leax _iob,y ldb #$10 pshs b L009d pshs x bsr fclose puls x leax 13,x dec ,s bne L009d puls b,u,pc fclose: pshs u ldu 4,s lbeq L0046 ldd 6,u lbeq L0046 andb #2 beq L00c5 pshs u bsr fflush leas 2,s bra L00c7 L00c5 clra clrb L00c7 pshs d ldd 8,u pshs d lbsr close leas 2,s clra clrb std 6,u puls d,u,pc fflush: pshs u ldu 4,s lbeq L0046 ldd 6,u andb #$22 cmpb #2 lbne L0046 anda #$80 bne L00f5 pshs u lbsr _setbase leas 2,s L00f5 pshs u bsr L00fd leas 2,s puls u,pc L00fd pshs u ldu 4,s leas -4,s lda 6,u anda #1 bne L012c ldd ,u cmpd 4,u beq L012c clra clrb pshs d pshs u lbsr ftell leas 2,s ldd 2,x pshs d ldd ,x pshs d ldd 8,u pshs d lbsr lseek leas 8,s L012c ldd ,u subd 2,u std 2,s lbeq L0194 ldd 6,u anda #1 lbeq L0194 andb #$40 beq L016f ldd 2,u bra L0167 L0146 pshs d ldd ,u pshs d ldd 8,u pshs d lbsr writeln leas 6,s std ,s cmpd #-1 beq L0185 ldd 2,s subd ,s std 2,s ldd ,u addd ,s L0167 std ,u ldd 2,s bne L0146 bra L0194 L016f ldd 2,s pshs d ldd 2,u pshs d ldd 8,u pshs d lbsr write leas 6,s cmpd 2,s beq L0194 L0185 ldb 7,u orb #$20 stb 7,u ldd 4,u std ,u ldd #-1 bra L01a4 L0194 lda 6,u ora #1 sta 6,u ldd 2,u std ,u addd 11,u std 4,u clra clrb L01a4 leas 4,s puls u,pc endsect