Subversion Repositories NedoOS

# file opened: relocation_0000_region.asm
 1    0000                  ; the implementation is providing alternate label values being offset by -0x0201
 2    0000                  ; to their real value. This test does try relocation blocks near beginnging and end
 3    0000                  ; of memory regions to verify that there is no connection between the -0x201 offset
 4    0000                  ; and assembling results (there should not be).
 5    0000
 6    0000                  ORG     0
 7    0000                  RELOCATE_START
 8    0000 02 00        label1:     DW      label2
 9    0002 21 00 00     label2:     ld      hl,label1
10    0005 ED 5B 00 00              ld      de,(label1)
11    0009 01 02 00                 ld      bc,label2 - label1
12    000C CD 00 00                 call    label1
13    000F CF                       rst     $08
14    0010
15    0010 00 00 03 00      RELOCATE_TABLE      ; first copy of relocate table
15    0014 07 00 0D 00
15    0018 F9 FF FD FF
15    001C 00 00
16    001E
17    001E                  ; try ORG within the same block, try end region of memory
18    001E                  ORG     $FFF8
19    FFF8 C3 02 00     label3:     jp      label2
20    FFFB F8 FF                    dw      label3 - label1
21    FFFD F8 FF                    dw      label3
22    FFFF                      ; check crossing memory limit by instruction in relocation block
23    FFFF                      ; this emits "incosistent warning" because the table was already emitted
24    FFFF                      ; but with truncated 0x0000 value, while the new value to be inserted
25    FFFF                      ; is 0x10000
relocation_0000_region.asm(26): warning: Relocation table seems internally inconsistent: table content differs in last pass
relocation_0000_region.asm(26): warning: RAM limit exceeded 0x10000 by ORG
26    FFFF CD F8 FF                 call    label3
27    0002                  RELOCATE_END
28    0002
29    0002                  ; second copy of relocation table, make it fill memory up to 64kiB boundary
30    0002                  ORG     $10000 - relocate_size
31    FFF2 00 00 03 00      RELOCATE_TABLE
31    FFF6 07 00 0D 00
31    FFFA F9 FF FD FF
31    FFFE 00 00
32    0000
33    0000                  ; third copy of relocation table, make it leak 1B beyond 0x10000
34    0000                  ORG     $10000 - relocate_size + 1
relocation_0000_region.asm(35): warning: RAM limit exceeded 0x10000 by ORG
35    FFF3 00 00 03 00      RELOCATE_TABLE
35    FFF7 07 00 0D 00
35    FFFB F9 FF FD FF
35    FFFF 00 00
36    0001
# file closed: relocation_0000_region.asm

Value    Label
------ - -----------------------------------------------------------
0x0000   label1
0x0002   label2
0xFFF8   label3
0x0007 X relocate_count
0x000E   relocate_size