6502/6502_65C02_functional_tests
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added bin/dec switch test

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Some emulators employ separate opcode table to switch between binary and
decimal arithmetic. The added test verifies proper binary or decimal
operation after CLD, SED, PLP & RTI.
This commit is contained in:
Klaus2m5 2014-12-13 16:51:23 +01:00
parent 04de059478
commit ddb0855216
1 changed files with 65 additions and 8 deletions
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73
6502_functional_test.a65
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@ -1,7 +1,7 @@
;
; 6 5 0 2 F U N C T I O N A L T E S T
;
; Copyright (C) 2012-2013 Klaus Dormann
; Copyright (C) 2012-2014 Klaus Dormann
;
; This program is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
@ -67,6 +67,7 @@
; added test sequence check to detect if tests jump their fence
; 23-jul-2013 added RAM integrity check option
; 16-aug-2013 added error report to standard output option
; 13-dec-2014 added binary/decimal opcode table switch test
; C O N F I G U R A T I O N
@ -367,8 +368,8 @@ set_absx macro ;precharging abs,x & immediate status
;macros to test (register|memory|zeropage) & status & (mask)
tst_stat macro ;testing flags in the processor status register
php ;save status
php ;use stack to retrieve status
pla
pla ;use stack to retrieve status
pha
cmp_flag \1
trap_ne
plp ;restore status
@ -376,10 +377,10 @@ tst_stat macro ;testing flags in the processor status register
tst_a macro ;testing result in accu & flags
php ;save flags
php
cmp #\1 ;test result
trap_ne
pla ;load status
pha
cmp_flag \2
trap_ne
plp ;restore status
@ -387,10 +388,10 @@ tst_a macro ;testing result in accu & flags
tst_x macro ;testing result in x index & flags
php ;save flags
php
cpx #\1 ;test result
trap_ne
pla ;load status
pha
cmp_flag \2
trap_ne
plp ;restore status
@ -398,10 +399,10 @@ tst_x macro ;testing result in x index & flags
tst_y macro ;testing result in y index & flags
php ;save flags
php
cpy #\1 ;test result
trap_ne
pla ;load status
pha
cmp_flag \2
trap_ne
plp ;restore status
@ -1725,6 +1726,7 @@ brk_ret ;address of break return
next_test
;TSX sets NZ - TXS does not
; This section also tests for proper stack wrap around.
ldx #1 ;01
set_stat $ff
txs
@ -4857,7 +4859,7 @@ torai2 equ *+1 ;target for immediate operand
bpl tora1
ldx #3 ;zp
tora2 lda zpOR,x
tora2 lda zpOR,x
sta zpt
set_ax absORa,0
ora zpt
@ -5106,7 +5108,62 @@ tdad6 dec ad2 ;operand 2 -1
sta adrl ;new result since op1+carry=00+carry +op2=op2
inc adrh ;result carry
bne tdad ;iterate op2
tdad7 cld
tdad7
next_test
; decimal/binary switch test
; tests CLD, SED, PLP, RTI to properly switch between decimal & binary opcode
; tables
clc
cld
php
lda #$55
adc #$55
cmp #$aa
trap_ne ;expected binary result after cld
clc
sed
php
lda #$55
adc #$55
cmp #$10
trap_ne ;expected decimal result after sed
cld
plp
lda #$55
adc #$55
cmp #$10
trap_ne ;expected decimal result after plp D=1
plp
lda #$55
adc #$55
cmp #$aa
trap_ne ;expected binary result after plp D=0
clc
lda #hi bin_rti_ret ;emulated interrupt for rti
pha
lda #lo bin_rti_ret
pha
php
sed
lda #hi dec_rti_ret ;emulated interrupt for rti
pha
lda #lo dec_rti_ret
pha
php
cld
rti
dec_rti_ret
lda #$55
adc #$55
cmp #$10
trap_ne ;expected decimal result after rti D=1
rti
bin_rti_ret
lda #$55
adc #$55
cmp #$aa
trap_ne ;expected binary result after rti D=0
lda test_case
cmp #test_num