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authorandromeda <andromeda@lenovo>2026-03-09 23:00:39 +0100
committerandromeda <andromeda@lenovo>2026-03-09 23:01:12 +0100
commita972f38bb636fdcb41a2bb7c856f7f546076b397 (patch)
treef41fde5f682d33e228510aa3b73e9bf6041a8df4 /twasm/asm/tests.asm
parent869420ef7ab2bfa8bc04c44584e55bb337d83f32 (diff)
add get_direct_addressing_ModRM and test_*, fix a couple bugs/typos, add 'reg value' as register metadata
Diffstat (limited to 'twasm/asm/tests.asm')
-rw-r--r--twasm/asm/tests.asm53
1 files changed, 51 insertions, 2 deletions
diff --git a/twasm/asm/tests.asm b/twasm/asm/tests.asm
index f48d8bf..8480554 100644
--- a/twasm/asm/tests.asm
+++ b/twasm/asm/tests.asm
@@ -34,6 +34,9 @@ run_tests:
call clear_test_arena
call test_get_tte_typed_metadata
+ call clear_test_arena
+ call test_get_direct_addressing_ModRM
+
ret
.msg db "running test suite...", 0x0A, 0x00
@@ -441,7 +444,8 @@ test_get_tte_typed_metadata:
mov di, 0x0003 ; rdx
call get_tte_typed_metadata
- cmp al, 0x03 ; width: 64 bits
+ cmp al, 00001011b ; reg: 010b
+ ; width: 11b (64 bits)
jne .fail
mov di, 0x0056 ; mov
@@ -462,7 +466,52 @@ test_get_tte_typed_metadata:
mov rsi, msg_fail
call print
ret
- .msg db "test_get_tte_type...", 0x00
+ .msg db "test_get_tte_typed_metadata...", 0x00
+
+; ------------------------------------------------------------------------------
+; test_get_direct_addressing_ModRM
+;
+; description:
+; tests get_direct_addressing_ModRM described functionality
+; ------------------------------------------------------------------------------
+
+test_get_direct_addressing_ModRM:
+ mov rsi, .msg
+ call print
+
+ mov di, 0x0000 ; rax
+ mov si, 0x0000 ; rax
+ call get_direct_addressing_ModRM
+ cmp al, 11000000b ; Mod Reg R/M: 11b 000b 000b
+ jne .fail
+
+ mov di, 0x0000 ; rax
+ mov si, 0x0003 ; rdx
+ call get_direct_addressing_ModRM
+ cmp al, 11000010b ; Mod Reg R/M: 11b 000b 010b
+ jne .fail
+
+ mov di, 0x0003 ; rdx
+ mov si, 0x0000 ; rax
+ call get_direct_addressing_ModRM
+ cmp al, 11010000b ; Mod Reg R/M: 11b 010b 000b
+ jne .fail
+
+ mov di, 0x0003 ; rdx
+ mov si, 0x0003 ; rdx
+ call get_direct_addressing_ModRM
+ cmp al, 11010010b ; Mod Reg R/M 11b 010b 010b
+ jne .fail
+
+ .pass:
+ mov rsi, msg_pass
+ call print
+ ret
+ .fail:
+ mov rsi, msg_fail
+ call print
+ ret
+ .msg db "test_get_direct_addressing_ModRM...", 0x00
msg_pass:
db 0x0A