Ask Keil Support: Are the C51, AX51, LX51 backward compatible?

Hi, We build a project which can be compiled and linked in success with PK51 V7.0(C51 V7.5 etc..). But my colleague bought a new PK51, which has latest version (C51 V8.x). The project is failed...
Ask Keil Support: Are the C51, AX51, LX51 backward compatible?

Hi, We build a project which can be compiled and linked in success with PK51 V7.0(C51 V7.5 etc..). But my colleague bought a new PK51, which has latest version (C51 V8.x). The project is failed...
Address allocation in AX51 and C51

Let's say that I have two files in my project: Startup.A51 and test.c Some variables are allocated in Startup.A51; for example, REG_STATUS DATA 0A0H Also, some DATA variables are allocated...
Address allocation in AX51 and C51

Let's say that I have two files in my project: Startup.A51 and test.c Some variables are allocated in Startup.A51; for example, REG_STATUS DATA 0A0H Also, some DATA variables are allocated...
Used Hitex AX51

I have an old Hitex AX51 emulator, about 10 years old, single owner. It was brought out of 6 years of storage last year and dusted off for a quick and final project using an old Philips semi-custom 8051...