Mercurial > hg > Members > kono > nitros9-code
view lib/kreiderclib/popen.as @ 3226:9749d0dfc4a2
Changed a puls PC to rts to save cycles
| author | David Ladd <drencor-xeen@users.sourceforge.net> |
|---|---|
| date | Sat, 20 Jan 2018 19:32:22 -0600 |
| parents | 1647f1874cdf |
| children |
line wrap: on
line source
* Disassembly by Os9disasm of popen.r * class D external label equates D0000 equ $0000 D000d equ $000d section bss * Uninitialized data (class B) B0000 rmb 32 * Initialized Data (class G) endsect section code popen: pshs u leas -14,s ldu 18,s ldb [20,s] cmpb #$77 bne L0012 clra clrb bra L0015 L0012 ldd #1 L0015 std 6,s ldd #3 pshs d leax L01fb,pcr pshs x lbsr open leas 4,s std 4,s cmpd #-1 lbeq L019d ldd 4,s std 2,s ldd 6,s pshs d lbsr dup leas 2,s std ,s cmpd #-1 beq L0070 ldd 6,s pshs d lbsr close leas 2,s ldd 4,s pshs d lbsr dup leas 2,s cmpd #-1 bne L0080 ldd ,s pshs d lbsr dup leas 2,s ldd ,s pshs d lbsr close leas 2,s L0070 ldd 4,s pshs d lbsr close leas 2,s lbra L019d bra L0080 L007e leau 1,u L0080 ldb ,u cmpb #$20 beq L008a ldb ,u bne L007e L008a ldb ,u cmpb #$20 bne L0092 leau 1,u L0092 pshs u lbsr strlen leas 2,s std 8,s addd #2 pshs d lbsr malloc leas 2,s std 12,s pshs u ldd 14,s pshs d lbsr strcpy leas 4,s leax L0201,pcr pshs x ldd 14,s pshs d lbsr strcat leas 4,s ldd 2,s lslb rola leax B0000,y leax d,x pshs x clra clrb pshs d ldd #1 pshs d ldd #1 pshs d ldd 20,s pshs d ldd 18,s addd #1 pshs d ldd 30,s pshs d lbsr os9fork leas 12,s std [,s++] cmpd #-1 bne L012a ldd 12,s pshs d lbsr free leas 2,s ldd 6,s pshs d lbsr close leas 2,s ldd ,s pshs d lbsr dup leas 2,s ldd ,s pshs d lbsr close leas 2,s ldd 4,s pshs d lbsr close leas 2,s lbra L018f L012a ldd 12,s pshs d lbsr free leas 2,s ldd 6,s pshs d lbsr close leas 2,s ldd ,s pshs d lbsr dup leas 2,s ldd ,s pshs d lbsr close leas 2,s ldd 20,s pshs d ldd 6,s pshs d lbsr fdopen leas 4,s std 10,s bne L01a1 ldd 4,s pshs d lbsr close leas 2,s L0169 clra clrb pshs d lbsr wait leas 2,s std 8,s pshs d ldd 4,s lslb rola leax B0000,y leax d,x ldd ,x cmpd ,s++ beq L018f ldd 8,s cmpd #-1 bne L0169 L018f ldd 2,s lslb rola leax B0000,y leax d,x clra clrb std ,x L019d clra clrb bra L01a3 L01a1 ldd 10,s L01a3 leas 14,s puls u,pc pclose: pshs d,x,u ldx 8,s ldd 8,x std 2,s ldd 8,s pshs d lbsr fclose leas 2,s L01b8 leax ,s pshs x lbsr wait leas 2,s tfr d,u pshs u ldd 4,s lslb rola leax B0000,y leax d,x ldd ,x cmpd ,s++ beq L01dc cmpu #-1 bne L01b8 L01dc ldd 2,s lslb rola leax B0000,y leax d,x clra clrb std ,x cmpu #-1 bne L01f5 ldd #-1 bra L01f7 L01f5 ldd ,s L01f7 leas 4,s puls u,pc *L01fb ble L026d * rol -16,s * fcb $65 * neg D000d *L0201 equ *-1 * fcb $00 endsect