uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit c2d075958834acb9654f2fd873e62209e87828e0
parent 6ce6915752655b2b58121bdfaefa39037cc0eb5e
Author: neauoire <aliceffekt@gmail.com>
Date:   Sun,  7 Feb 2021 21:07:34 -0800

*

Diffstat:
Mbuild.sh | 2+-
Mexamples/benchmark.usm | 2++
Dexamples/conditionals.usm | 13-------------
Aexamples/condjump.usm | 17+++++++++++++++++
4 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/build.sh b/build.sh @@ -14,5 +14,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined uxn.c -o uxn # run -./uxnasm examples/hello.usm boot.rom +./uxnasm examples/condjump.usm boot.rom ./uxn boot.rom diff --git a/examples/benchmark.usm b/examples/benchmark.usm @@ -26,6 +26,8 @@ ,1234 ,1233 GTH^ #0e STR ,1234 ,1235 LTH^ #0f STR +,ef ,ee EQU ,12 ,01 ROT ADD? + |c000 @FRAME BRK |d000 @ERROR BRK |FFFA .RESET .FRAME .ERROR diff --git a/examples/conditionals.usm b/examples/conditionals.usm @@ -1,13 +0,0 @@ -< conditionals > - -.there ( 0a 05 GTH ) JMC - -:here - < when not equal > - ee - BRK - -:there - < when is equal > - ff - BRK diff --git a/examples/condjump.usm b/examples/condjump.usm @@ -0,0 +1,17 @@ +( conditional jump ) + +|0100 @RESET + +,06 ,05 GTH ,there ROT JMP? POP^ + +@here ( when lesser or equal ) + ,ee + BRK + +@there ( when greater ) + ,ff + BRK + +|c000 @FRAME BRK +|d000 @ERROR BRK +|FFFA .RESET .FRAME .ERROR