Mercurial > hg > Members > kono > nitros9-code
view lib/kreiderclib/defdrive.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 defdrive.r * class D external label equates D0000 equ $0000 * class X external label equates X0000 equ $0000 section bss * Uninitialized data (class B) B0000 rmb 12 * Initialized Data (class G) endsect section code getdrive: pshs u leas -7,s clra clrb pshs d ldd #$000c pshs d leax >L0061,pcr pshs x lbsr modlink leas 6,s std ,s cmpd #-1 beq L005b ldd ,s ldx ,s addd 16,x std 5,s leau B0000,y bra L0033 L002f ldb 4,s stb ,u+ L0033 ldx 5,s leax 1,x stx 5,s ldb -1,x stb 4,s bgt L002f ldb 4,s clra andb #$7f stb ,u+ clra clrb stb ,u ldd ,s pshs d lbsr munlink leas 2,s leax B0000,y tfr x,d bra L005d L005b clra clrb L005d leas 7,s puls u,pc L0061 rola jmp 9,s fcb $74 fcb $00 endsect