Files
verilog6502/sim/embedded_wrapper/asm_source/lda_test.s
2026-05-09 16:03:57 -07:00

121 lines
1.6 KiB
ArmAsm

.export vec_reset, vec_irq, vec_nmi
.ZEROPAGE
result: .res 1
zp0: .res 1
zp1: .res 4
zp2: .res 8
zp3: .res 4
good_count: .res 1
.CODE
data1: .byte 1
data2: .byte 2
data3: .byte 3
data4: .byte 4
data5: .byte 5
data6: .res 4
.byte 6
data7: .res 2
.byte 7
vec_nmi:
vec_reset:
vec_irq:
prepare_test:
lda data1
sta zp0
lda #.LOBYTE(data2)
sta zp1
lda #.HIBYTE(data2)
sta zp1+1
lda #.BANKBYTE(data2)
sta zp1+2
lda #.TOPBYTE(data2)
sta zp1+3
lda #.LOBYTE(data4)
sta zp2+4
lda #.HIBYTE(data4)
sta zp2+5
lda #.BANKBYTE(data4)
sta zp2+6
lda #.TOPBYTE(data4)
sta zp2+7
lda #.LOBYTE(data5-2)
sta zp3
lda #.HIBYTE(data5-2)
sta zp3+1
lda #.BANKBYTE(data5-2)
sta zp3+2
lda #.TOPBYTE(data5-2)
sta zp3+3
stz good_count
lda_test:
@test1:
lda zp0 ; data 1
cmp #$1
bne @test2
inc good_count
@test2:
lda (zp1) ; data 2
cmp #$2
bne @test3
inc good_count
@test3:
lda data3 ; data 3
cmp #$3
bne @test4
inc good_count
@test4:
ldx #$4
ldy #$2
lda (zp2,x) ; data 4
cmp #$4
bne @test5
inc good_count
@test5:
lda (zp3),y ; data 5
cmp #$5
bne @test6
inc good_count
@test6:
lda data6,x ; data 6
cmp #$6
bne @test7
inc good_count
@test7:
lda data7,y ; data 7
cmp #$7
bne @done
inc good_count
@done:
lda good_count
cmp #$7
bne @fail
lda #$1
sta result
wai
@fail:
lda #$ff
sta result
wai