folkert/KEK
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

addressing mode 0, 1 and 2 tests

Browse source
This commit is contained in:
folkert van heusden 2022-03-13 19:49:04 +01:00
parent aefcf2f5f7
commit ff3ca2517e
2 changed files with 117 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

114
tester-addressing.mac Normal file
View file

@ -0,0 +1,114 @@
.EXTERN ALL
test_addr_0:
; address mode 0
; b1010101001010101
; 16 bit put/get
MOV #43605.,R0
CMP #43605.,R0
BEQ test_addr_0a_ok
MOV #1.,R0
JMP test_addr_fail
test_addr_0a_ok:
; 8 bit put / 16 bit get, should sign extend
MOVB #240.,R0
CMP #65520.,R0
BEQ test_addr_0b_ok
MOV #2.,R0
JMP test_addr_fail
test_addr_0b_ok:
; 8 bit put / 16 bit get, should sign extend
MOVB #127.,R0
CMP #127.,R0
BEQ test_addr_0c_ok
MOV #3.,R0
JMP test_addr_fail
test_addr_0c_ok:
; address mode 1
; indirect get 16 bit
MOV #v1234,R0
MOV (R0),R1
CMP #1234.,R1
BEQ test_addr_1a_ok
MOV #4.,R0
JMP test_addr_fail
test_addr_1a_ok:
; indirect get 8 bit, sign extended
MOV #v1234,R0
MOVB (R0),R1
CMP #65490.,R1
BEQ test_addr_1b_ok
MOV #5.,R0
JMP test_addr_fail
test_addr_1b_ok:
; indirect get 16 bit
MOV #v1234,R0
MOVB (R0),R1
CMP #1234.,R1
BNE test_addr_1c_ok
MOV #6.,R0
JMP test_addr_fail
test_addr_1c_ok:
; address mode 2
; value did not change
MOV #v1234,R0
MOV (R0)+,R1
CMP #1234.,R1
BEQ test_addr_2a1_ok
MOV #7.,R0
JMP test_addr_fail
;
test_addr_2a1_ok:
; address increased 2 bytes
MOV #v1234after,R2
CMP R0,R2
BEQ test_addr_2a2_ok
MOV #8.,R0
JMP test_addr_fail
test_addr_2a2_ok:
; value did not change
MOV #v1234,R0
MOVB (R0)+,R1
CMPB #210.,R1
BEQ test_addr_2b1_ok
MOV #9.,R0
JMP test_addr_fail
;
test_addr_2b1_ok:
; address increased 2 bytes
MOV #v1234,R2
INC R2
CMP R0,R2
BEQ test_addr_2b2_ok
MOV #10.,R0
JMP test_addr_fail
test_addr_2b2_ok:
; TODO
RET
test_addr_fail:
CALL print_binary
MOV #test_addr_fail_txt,R0
CALL print_start
RET
test_addr_fail_txt:
.ASCII "addressing handling FAIL\r\n\x00"
.EVEN
v1234: DW 1234.
v1234after: DW 4321.
test_addr:
CALL test_addr_0
RET

3
tester.mac
View file

@ -12,6 +12,7 @@ start: MOV #1000, R6
.INCLUDE "tester-psw.mac"
.INCLUDE "tester-adc-sbc.mac"
.INCLUDE "tester-addressing.mac"
go: MOV #textstart, R0
CALL print_start
@ -24,6 +25,8 @@ go: MOV #textstart, R0
CALL test_sbc
CALL test_addr
MOV #textfin, R0
CALL print_start
TRAP 7