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Fix bad sp and writing to zp0

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This commit is contained in:
Byron Lathi
2023-11-20 18:37:04 -08:00
parent e6a16b0c73
commit 531bb4cf13
2 changed files with 11 additions and 2 deletions
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2
sw/kernel/devices/interrupt_controller.s
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@@ -64,7 +64,7 @@ loop:
lda IRQ_DAT_ADDR lda IRQ_DAT_ADDR
sta tmp1 sta tmp1
pla pla
and $07 ; A is now 0-7 and #$07 ; A is now 0-7
tax tax
inx ; X is now 1-8 inx ; X is now 1-8
lda #$01 lda #$01

11
sw/test_code/devices_setup_test/main.s
View File

@@ -5,6 +5,10 @@
.import _init_interrupt_controller .import _init_interrupt_controller
.import _init_rtc .import _init_rtc
.zeropage
finish: .res 1
.code .code
_nmi_int: _nmi_int:
@@ -16,13 +20,18 @@ _init:
ldx #$ff ldx #$ff
txs txs
LDA #<(__STACKSTART__ + __STACKSIZE__)
STA sp
LDA #>(__STACKSTART__ + __STACKSIZE__)
STA sp+1
jsr _init_interrupt_controller jsr _init_interrupt_controller
jsr _init_rtc jsr _init_rtc
; enable interrupt 0 ; enable interrupt 0
lda #$00 lda #$00
jsr pusha jsr pusha
lda #$1 lda #$0
jsr _enable_irq jsr _enable_irq
@end: bra @end @end: bra @end