Garmelon/mima-tools
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Update examples to new assembly syntax

Browse source
This commit is contained in:
Joscha 2019-11-21 19:17:04 +00:00
parent ae0c31d83a
commit 7446bcab45
6 changed files with 50 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

24
examples/call_ret_stack.mimasm
View file

@ -1,19 +1,17 @@
IAR = main
ACC = 0
RA = 0
SP = 0xfffff
.reg IAR main
.reg SP -1 ; the last addressable address
; In this example, the stack pointer points to the next free address
; below the stack. The stack grows downwards from large to small
; addresses. The stack has no stack frames to simplify the program.
counter: LIT 0
counter: .lit 0
100:
.org 100
main:
; set counter bit 0
LDV counter
ADC 0x01
ADC 0b00001
STV counter
; Since we're top-level, we don't need to (re-)store our RA when calling
@ -21,16 +19,16 @@ main:
; set counter bit 1
LDV counter
ADC 0x02
ADC 0b00010
STV counter
HALT
200:
.org 200
sub-1:
; Set counter bit 2
LDV counter
ADC 0x04
ADC 0b00100
STV counter
;; Store the current RA on the stack
@ -56,16 +54,16 @@ sub-1:
; Set counter bit 3
LDV counter
ADC 0x08
ADC 0b01000
STV counter
RET
300:
.org 300
sub-2:
; Set counter bit 4
LDV counter
ADC 0x10
ADC 0b10000
STV counter
RET