# HG changeset patch # User Michael Spacefalcon # Date 1395948847 0 # Node ID 3c420895f68f2ed15f9ff5eeb972c616a4a58d7e # Parent 8b15a0969c9e0e486bcc35530c2a3558c0cd6f0d compal boot ROM re: minor progress diff -r 8b15a0969c9e -r 3c420895f68f compal/c139-boot.disasm --- a/compal/c139-boot.disasm Thu Mar 27 07:07:41 2014 +0000 +++ b/compal/c139-boot.disasm Thu Mar 27 19:34:07 2014 +0000 @@ -40,33 +40,34 @@ 87a: 00c0 87c: 0040 87e: 002a - 880: 0040 - 882: 0000 + 880: 00000040 884: fffffd00 888: ffff9800 88c: fffffb10 890: ffffff08 - 894: 20061081 - 898: 00000800 + 894: 1081 + 896: 2006 + 898: 0800 + 89a: 0000 ; RESET entry point - 89c: e51f1020 ldr r1, [pc, #-32] ; 0x884 + 89c: e51f1020 ldr r1, [pc, #-32] ; 0x884 =0xfffffd00 8a0: e1d120b2 ldrh r2, [r1, #2] - 8a4: e51f002c ldr r0, [pc, #-44] ; 0x880 + 8a4: e51f002c ldr r0, [pc, #-44] ; 0x880 =0x00000040 8a8: e1800002 orr r0, r0, r2 8ac: e1c100b2 strh r0, [r1, #2] - 8b0: e51f1030 ldr r1, [pc, #-48] ; 0x888 - 8b4: e15f22b6 ldrh r2, [pc, #-38] ; 0x896 + 8b0: e51f1030 ldr r1, [pc, #-48] ; 0x888 =0xffff9800 + 8b4: e15f22b6 ldrh r2, [pc, #-38] ; 0x896 =0x2006 8b8: e1c120b0 strh r2, [r1] 8bc: e5912000 ldr r2, [r1] 8c0: e2022001 and r2, r2, #1 ; 0x1 8c4: e3520001 cmp r2, #1 ; 0x1 8c8: 0afffffb beq 0x8bc - 8cc: e51f1050 ldr r1, [pc, #-80] ; 0x884 - 8d0: e15f24b4 ldrh r2, [pc, #-68] ; 0x894 + 8cc: e51f1050 ldr r1, [pc, #-80] ; 0x884 =0xfffffd00 + 8d0: e15f24b4 ldrh r2, [pc, #-68] ; 0x894 =0x1081 8d4: e1c120b0 strh r2, [r1] - 8d8: e51f1054 ldr r1, [pc, #-84] ; 0x88c - 8dc: e15f24bc ldrh r2, [pc, #-76] ; 0x898 + 8d8: e51f1054 ldr r1, [pc, #-84] ; 0x88c =0xfffffb10 + 8dc: e15f24bc ldrh r2, [pc, #-76] ; 0x898 =0x898 8e0: e1d100b0 ldrh r0, [r1] 8e4: e1800002 orr r0, r0, r2 8e8: e1c100b0 strh r0, [r1]