Mercurial > hg > Members > kono > nitros9-code
changeset 49:4fd75b62ccb1
Moved here
| author | boisy |
|---|---|
| date | Sat, 20 Apr 2002 13:41:49 +0000 |
| parents | cdfe69117a2f |
| children | 5f64b137c6be |
| files | 3rdparty/booters/boot_rom_l1.asm 3rdparty/booters/makefile |
| diffstat | 2 files changed, 61 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/3rdparty/booters/boot_rom_l1.asm Sat Apr 20 13:41:49 2002 +0000 @@ -0,0 +1,60 @@ +******************************************************************** +* Boot - OS-9 Level One V2 Boot module +* +* $Id$ +* +* Ed. Comments Who YY/MM/DD +* ------------------------------------------------------------------ +* 1 Tandy/Microware original version + + nam Boot + ttl OS-9 Level One V2.00 Boot module + + ifp1 + use defsfile + endc + +tylg set Systm+Objct +atrv set ReEnt+rev +rev set $01 +edition set 1 + + mod eom,name,tylg,atrv,start,size + +u0000 rmb 2 +u0002 rmb 2 +u0004 rmb 1 +size equ . + +name fcs /Boot/ + fcb edition + + +* obtain bootfile size at known offset +start pshs u,y,x,a,b + leax eom,pcr point to end of module + ldd ,x get size of bootfile + std ,s place bootfile size in A/B on stack +* allocate memory from system + os9 F$SRqMem + bcs Uhoh +* copy bootfile from low RAM to allocated area + stu 2,s place address in X loc. on stack + ldx #$2600+$1200 X points to bootfile in ROM + ldd ,s get bootfile size from A/B on stack +Loop ldy ,x++ + sty ,u++ + subd #2 + bgt Loop + +* Upon exit, we return to the kernel with: +* X = address of bootfile +* D = size of bootfile +Uhoh puls u,y,x,a,b,pc + + emod +eom equ * + +* Size of bootfile (maximum is put here) + fdb $2E00 + end
--- a/3rdparty/booters/makefile Sat Apr 20 13:39:53 2002 +0000 +++ b/3rdparty/booters/makefile Sat Apr 20 13:41:49 2002 +0000 @@ -2,7 +2,7 @@ DEPENDS = ./Makefile BOOTERS = boot_kenton boot_rampak boot_ide boot_tc3 boot_wd1002 \ - boot_rom + boot_rom boot_rom_l1 ALLOBJS = $(BOOTERS) all: $(ALLOBJS) $(DEPENDS)